eLABORATE Jan/Feb 2022

VOL.19 NO.1

JANUARY/FEBRUARY 2022

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dentevents presents...

Digital Dentistry & Dental Technology SYDNEY 3-4 JUNE 2022 NOVOTEL SYDNEY BRIGHTON BEACH TWO DAYS OF LECTURES AND WORKSHOPS ON

TWO DAYS OF LECTURES AND WORKSHOPS ON DIGITALDENTISTRY DENTISTRY FOR FOR DENTISTS, DIGITAL DENTISTS, SPECIALISTS, SPECIALISTS, DENTALTECHNICIANS TECHNICIANS AND AND DENTAL DENTAL DENTALPROSTHETISTS PROSTHETISTS 2019 RECAP: 476 DELEGATES • 8 STREAMS • 110 SESSIONS • 52 SPEAKERS

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Join us again or for the first time at Digital Dentistry & Dental Technology 2021 for a fun, exciting and fully immersive learning experience with the best of the best in the new age of dentistry. This year’s program will cover Digital Smile Design • Digital orthodontics • Intraoral scanning • Digital implantology • Digital full arch restorations and full mouth rehabilitations • Digital Dentures • 3D printing • Milling • CBCT • Material and applications • Software and more with MORE Hands-on Sessions • MORE Advanced Sessions • MORE New Products • NEW Masterclasses and more!

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REGISTRATION FEES INCLUSIONS DETAILS Registration fee includes PROGRAMME FRIDAY 3 JUNE 2022 fee includesin TWO full days participation inc gst Registration FRIDAY 28 MAY 2021 9.00Am - 5.00pm - educAtion participation TWO full days inc gst of in education (12 CPD hours), 9.00aM - 5.00pM - education of education (12 CPD and hours), all catering Friday drinks.

EARLY BIRD PRICING 5.00pm - 7.00pm - hAppy hour all catering and Friday drinks.

EARLY BIRD PRICING 5.00pM - 7.00pM - happy hour Multiple lectures and workshops $660 before 3 April Multiple lectures and run workshops $660 before 28 Mar are being concurrently to allow SATURDAY 4 JUNE 2022 concurrently to allow SATURDAY 29 MAY 2021 onbeing run price increAses $110are you to build your own program to price increases $110 on you to build your own program to 9.00 Am - 5.00pm - educAtion suit your specific interests.9.00 PriceaM - 5.00 the 10th of every month pM - education suit your specific interests. Price the 28th of every Month is all inclusive. is all inclusive.

$880

$880

12 12

HOURS CPD

HOURS CPD

VENUEVENUE DETAILS DETAILS

Novotel Sydney Brighton Beach - The Grand Parade, Brighton-Le-Sands NSW 2216 - Close to Sydney Domestic and International Airports

Novotel Sydney Brighton Beach - The Grand Parade, Brighton-Le-Sands NSW 2216 - Close to Sydney Domestic and International Airports

Check the website for details of discounted accommodation rates for the conference • Ample parking available at the hotel

Check the website for details of discounted accommodation rates for the conference • Ample parking available at the hotel

Organised by Dentevents™ a division™of Main Street Publishing Pty Ltd ABN 74 065 490 655

Organised by Dentevents

a division of Main Street Publishing Pty Ltd ABN 74 065 490 655

www.dentevents.com • info@dentist.com.au • Tel: (02) 9929 1900 • Fax: (02) 9929 1999

www.dentevents.com • info@dentist.com.au • Tel: (02) 9929 1900 • Fax: (02) 9929 1999

www.dentaltechnology.com.au www.dentaltechnology.com.au

VOL.19 NO.1

JANUARY/FEBRUARY 2022

VOLUME 19 | NUMBER 1 JANUARY/FEBRUARY 2022

eLABORATE | CONTENTS

Available from your preferred distributors and www.briteguarddirect.com.au

PRINT POST NO. 100018653

Tel: 1300 368 489

PROUDLY AUSTRALIAN MADE AND OWNED SINCE 1992 Proudly supporting:

6 8 25 42

On the cover...

Briteguard thermoforming materials are now available both through a network of preferred distributors and online at www.briteguarddirect.com.au

36

CERAMICS

BRIEFS

28

CERAMICS

SPECTRUM

28 VENEERED CROWNS ON A SUBSTRUCTURE NEXXZR® T FRAMEWORK

CPD CENTRE NEW PRODUCTS

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ENHANCING AESTHETICS SIMPLY AND NATURALLY: THE AIDITE PROTOCOL

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THERMOFORMING

THE FIRST CUSTOM FABRICATED SPORTS MOUTHGUARD TO CARRY THE CE MARK

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Editor and Publisher: Joseph Allbeury Technical Editor: Terence Whitty, Dip. DT (Syd)

eLABORATE™

ISSN 1834-9110 is published six times per year by

Main Street Publishing Pty Limited

ABN 74 065 490 655

| Printed in AUSTRALIA

PO Box 586, Cammeray NSW 2062 AUSTRALIA Tel: (02) 9929-1900 Fax: (02) 9929-1999 Email: info@dentist.com.au © 2022 All rights reserved. The contents of this magazine are copyright and must not be reproduced without the written permission of the publisher. Permission to reprint may be obtained upon application. Correspondence and manuscripts for publication are welcome. Although all care is taken, the editor and publisher will not accept responsibility for the opinions expressed by contributors to this magazine, or for loss or damage to material submitted for publication.

briefs | NEWS Enough noise...

IDEM Singapore postponed to October

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he new year is well and truly upon us and whilst COVID-19 is still hanging around, it at last seems to be moving in

By Joseph Allbeury the right direction.

New years are of course a time for making resolutions and equally, for looking back at the year gone by.

Whilst there are both positives and negatives to be drawn from 2021, there are a list of things that I would like to see the back of... like endless images of politicians on TV and the rantings of the disaffected on [anti]social media - If you’re having a bad day or someone hurts your feelings, Google “resilience” and move on... No need to record the moment in history for all to judge you by in the saner times ahead. And TikTok is officially now both the most visited website on earth and the single biggest threat to the advancement of the human race. Don’t watch–Don’t contribute!

Mainstream media has divested itself of all credibility and the need to constantly post on websites to try and lure visitors in with “click bait” means that any “tweet” is hot news!

I’m over Zoom calls and webinars and I will celebrate the day I no longer have to “check in” to shops and restaurants or wear a mask in public. And I could go on.

2022 is the time to return to core business, to being productive and to getting things done. To setting personal goals that are real, not ethereal. To clearing our mind of the fog of the pandemic and focussing on what matters most.

Get your mind healthy, get your body healthy, distance yourself from all the noise of the world and focus on the things that matter most to you.

Professionally, 2022 is the time to regain pace - put your pedal to the metal! Grow your business and grow your skills. Face-to-face learning and in-person interactions are back and offer you the pure experience of dedicating your most precious commodity - your undivided attention - to listening and learning, exchanging and interacting.

June 3-4, we’re looking forward to welcoming everyone back to our long awaited Digital Dentistry & Dental Technology 2022 event and we hope you will join us. We’re working with almost 50 speakers to create a new and unique experience over the two days, with multiple streams on the gamut of topics surrounding the digitalisation of dentistry.

The event is the perfect opportunity for both clinicians and technicians to engage and interact. If you haven’t signed up already, visit www.dentaltechnology.com.au - early bird rates still apply.

And August 5-6, we’re creating a brand new large scale event called Dental Economics 2022 that is designed to help practices succeed and grow. This 2-day multi-stream multispeaker event again offers you the choice to craft your own learning experience based on your individual needs. Visit www.dentaleconomics.com.au for info and to register.

The world has certainly changed and the definition of normal is still under debate, but the time for action has come!

Joseph Allbeury, Editor and Publisher

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riginally slated for 8-10 April, IDEM 2022 will now take place between 7-9 October 2022 instead. The organisers of IDEM, Koelnmesse and the Singapore Dental Association, made the decision to postpone the event in light of current travel and safety restrictions in the Asia-Pacific region.

As the leading exhibition and conference for the dental industry in the Asia-Pacific, the aim of IDEM is to provide a comprehensive experience and bring together exhibitors and attendees from all over the world. With this in mind, the 12th edition of IDEM will take place between 7-9 October 2022 at Sands Expo and Convention Center; Marina Bay Sands instead of the originally scheduled dates of 8-10 April 2022.

“IDEM 2022 is intended as an in-person event where practitioners can exchange valuable knowledge, network with other professionals and view new exhibits with the in-person element playing a central role in the overall IDEM experience,” said Mathias Kuepper, Managing Director of Koelnmesse Pte Ltd. “The decision to postpone IDEM to the latter half of 2022 was not taken lightly despite receiving strong interest and bookings from exhibitors and country pavilions. Before restrictions were tightened due to the Omicron variant, IDEM would have been on track for the in-person event in April. Ultimately, our goal as the organisers of IDEM is to bring together the Asia Pacific dental community to experience the full offerings of IDEM in a safe manner.”

IDEM Singapore is the leading dental exhibition and conference in the Asia-Pacific region. Participants at IDEM 2022 can look forward to a series of programmes that cater to the dental community: • Trade Exhibition - the exhibition will feature close to 400 local and international exhibitors; • Scientific Conference - with the theme of Building Resilience in Dentistry, participants can look forward to over 30 conference sessions and workshops by industry-leading speakers around the world; and • IDEM 360 - a supplementary digital platform that offer participants networking options, booking of meeting slots and post-event content.

Online registration is ongoing. Early birds who register for IDEM 2022 by 8 March 2022 will be offered a discounted rate.

Visit www.idem-singapore.com for more information.

January/February 2022

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spectrum | NEWS

Ivoclar Vivadent launches new IPS e.max ZirCAD Prime Esthetic

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he Ivoclar Group is one of the world’s leading suppliers of integrated solutions for high-quality dentistry, offering a comprehensive range of products and systems for dentists and dental technicians. The company now announces the new IPS e.max ZirCAD Prime Esthetic - an exciting new development in zirconia ceramics.

IPS e.max ZirCAD Prime Esthetic offers high quality, accuracy of fit, stability and extremely natural looking results.

The new IPS e.max ZirCAD Prime Esthetic belongs to the family of the proven IPS e.max ZirCAD Prime zirconia materials and goes a step further by defining a new level of aesthetics. The revolutionary material delivers a superior level of quality and high-end aesthetics and enhances the efficiency and profitability of dental laboratories. The new zirconia discs are designed to provide monolithic restorations with outstanding aesthetics.

IPS e.max ZirCAD Prime Esthetic is easy to use, as convincing results are achieved in just a few steps and with little manual effort when fabricating crowns and 3-unit bridges. IPS e.max ZirCAD Prime Esthetic offers therefore an ideal combination of efficiency and aesthetics.

Convincing aesthetic and physical properties PS e.max ZirCAD Prime Esthetic is characterised by a genuinely layer-free progression of shade and translucency.

The material enables a method to achieve the desired aesthetics and high stability efficiently by providing incisal areas with the required high level of translucency and

I

8 eLABORATE

cervical areas with optimally coordinated levels of opacity and adequate strength (850 MPa). Given the precise shading of the material, an accurate match with the A–D shade guide is easily achieved by polishing or glazing the IPS e.max ZirCAD Prime Esthetic restorations after they have been milled and sintered. This is all-ceramics at its most efficient. The successful combination of two zirconia materials has resulted in a material that offers an ideal

balance between stability and aesthetics.

IPS e.max ZirCAD Prime Esthetic is available in a comprehensive range of 16 A–D and 4 Bleach shades and in 3 disc thicknesses (14mm, 16mm, 20mm) with a diameter of Ø 98.5 mm each.

Gradient Technology an innovation in aesthetics he Gradient Technology (GT) used in the manufacture of IPS e.max ZirCAD Prime is the key to the superior level of quality and aesthetics that distinguishes this material. Gradient Technology involves three innovative manufacturing

T

steps. Two zirconia raw materials are combined in a unique manufacturing process to produce a single material that incorporates the best qualities of both.

In the case of IPS e.max ZirCAD Prime Esthetic, this innovative combination consists of a robust, highly translucent 4Y-TZP zirconia raw material to achieve the required stability in the dentine area and thus to offer an attractive spectrum of applications and an exceptionally translucent 5Y-TZP zirconia raw material to provide the necessary translucency in the incisal area for a natural looking enamel.

This blend ensures the lifelike appearance of restorations.

An innovative filling technology is used to provide the material with its excellent seamless and layer-free progression of shade and optimised translucency.

Visible layers, which are occasionally found in other multi-zirconia discs, are thus avoided with IPS e.max ZirCAD Prime Esthetic.

Advanced powder conditioning is utilised to adjust the sintering kinetics and ensure a uniform shrinkage behaviour across both raw materials. This process results in a material that enables an exceptional accuracy of fit.

In the final manufacturing step, the discs are compressed from all sides at high pressure in a state-of-the-art Cold Isostatic Pressing (CIP) process to improve their microstructure and optimise their translucent properties. This process also primes the material to be sintered in shorter cycles.

Availability he new IPS e.max ZirCAD Prime Esthetic is an addition to the family of the reliable and highly successful IPS e.max ZirCAD Prime materials and is available now.

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For more information, contact your Ivoclar Territory Manager at: AU: 1300-486-252 orders.au@ivoclar.com NZ: 0508-486-252 orders.nz@ivoclar.com

January/February 2022

spectrum | NEWS

Zirkonzahn Fresco Ceramics: New ceramics for veneering gingival and vestibular areas

Complete restoration made with Prettau® 3 Dispersive® zirconia, layered with Fresco Gingiva and Fresco Enamel.

W

ith new ceramic pastes Fresco Gingiva and Fresco Enamel, monolithic and slightly reduced zirconia structures can be quickly and easily veneered in the gingival and vestibular regions.

Especially in the gingival region, a characterisation with stains is no longer necessary, since a natural gingiva reproduction can be achieved by purely applying the ceramic pastes.

Compared to conventional ceramics, Fresco pastes remain moist for a longer time and can be modelled for several hours.

The consistency of the pastes can be further personalised by adding the two mixing liquids, Fresco Liquid and Fresco Gel, depending on the preferred working method.

10 eLABORATE

Due to their high primary density, the pastes exhibit very low shrinkage. This means that one Fresco firing cycle is sufficient to finish the tooth shape and the gingiva after the first firing. With this firing process, zirconia structures of different sizes can be fired simultaneously. No parameters such as holding time and/or temperature need to be changed: heating and cooling rates are the only ones to be adapted, since they are directly related to the size and mass of the zirconia structure.

If a correction firing has to be carried out, this can be done with the same parameters - this means that with a very simple but efficient firing process stable results can be achieved.

For more information visit us at www.zirkonzahn.com or contact stan@alphabond.com.au

January/February 2022

WATCH THE VIDEO!

Bar supported monolithic restoration in Prettau® 3 Dispersive® zirconia, layered with Fresco Ceramics and made with the new Double Screw Metal Technique.

NEW! FRESCO CERAMICS THE NEW ART OF LAYERING ZIRCONIA FRESCO GINGIVA & FRESCO ENAMEL – CERAMIC PASTES FOR VENEERING MONOLITHIC AND SLIGHTLY REDUCED ZIRCONIA RESTORATIONS IN GINGIVAL AND VESTIBULAR AREAS

Double Screw Bar

Alphabond Dental Pty Ltd – T +61 2 9417 6660 – stan@alphabond.com.au – www.alphabond.com.au Zirkonzahn Worldwide – T +39 0474 066 680 – info@zirkonzahn.com – www.zirkonzahn.com

spectrum | NEWS

Full steam ahead for Australia’s best digtal dentistry event June 3-6, 2022

D

igital Dentistry and Dental Technology 2022 is a matter of months away and registrations continue to grow for the 2-day face-to-face conference. The event is being held on Friday, June 3 and Saturday, June 4 at the Novotel Sydney Brighton Beach and if you haven’t registered already, then don’t miss this great experience (and early bird rates still apply).

Digital Dentistry and Dental Technology 2022 brings dentists and specialists, technicians and prosthetists together in a single program, as it should be.

Digital Dentistry and Dental Technology 2022 offers every delegate access to more than 100 session choices over two days that allows you to build your own program based on your needs.

There is no need to register for any session, you can choose your program ahead of time, on the day or minute-by-minute.

Access to real knowledge he interactive nature of Digital Dentistry and Dental Technology 2022 means that you have unprecedented access to real knowledge and experience from almost 50 speakers who are immersed in the digital workflow every day and the hundreds of delegates who share the same challenges you do.

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Stellar range of speakers his year, we welcome a stellar and still growing line-up of speaking talent, both favourites from past editions as well as many new faces with knowledge and experience to share. From clinicians and technicians, inventors, product and software developers, don’t miss this unique all access educational opportunity.

This year, we’re also continuing with the workshop stream including the opportunity to try scanning with all the latest intraoral scanners, all in one room, plus other workshops teaching, for example, stain and glaze techniques for monolithic restorations.

Whether you’re a dentist, prosthetist or technician, whether your interests are in products like intraoral scanners, 3D printers, mills or solutions for digital dentures, orthodontics, implants or endo, this program will give you the opportunity to learn and explore.

Digital Dentistry and Dental Technology 2022 is designed to be a fun learning experience. Located adjacent to the Sydney domestic airport, the Novotel Sydney Brighton Beach is an ideal venue - easy to fly-in or easy to park. Accommodation is available and full catering is provided.

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To view the growing programme of education sessions or to register, visit at www.dentaltechnology.com.au.

January/February 2022

Play your cards right.

Medentika® MPS Multi Platform System EXCELLENT PROSTHETICS FOR ALL MAJOR IMPLANT SYSTEMS

EXTENSIVE PROSTHETICS RANGE Compatible with all conventional implant systems.

HIGH PRECISION

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German made abutments.

Manufactured with the highest interface precision.

One prosthetic interface optimised for multiple platforms.

Contact your Straumann Group Specialist for more information or visit https://bit.ly/medentika-ace Straumann Pty Ltd/Straumann New Zealand Limited 93 Cook Street, Port Melbourne VIC 3207, Australia AU Toll Free 1800 660 330 | NZ Toll Free 0800 408 370 Email customerservice.au@straumann.com www.straumann.com.au www.straumann.co.nz

©Institut Straumann AG, 2021. All rights reserved. Straumann® and/or other trademarks and logos from Straumann® mentioned herein are the trademarks or registered trademarks of Straumann Holding AG and/or its affiliates.

spectrum | NEWS

IoT functionality for the new Programat® furnaces from Ivoclar

W

ith the introduction of its new series of Programat furnaces, Ivoclar has brought the Internet of Things (IoT) to the modern dental laboratory. The latest generation of press and ceramic furnaces feature smart IoT functionality, offering dental technicians comfort and reliability.

The Ivoclar group, one of the world’s leading dental companies with a comprehensive range of products and system solutions for dental professionals, introduced a new generation of Programat furnaces in June 2021. With their uniquely innovative features, forward-looking enhancements and modern design, the press and ceramic furnaces have earned the approval of customers quickly. The market has especially welcomed the furnaces’ progressive IoT functionality, which promotes effectiveness and efficiency in day-to-day laboratory work.

The Internet of Things connects physical objects to the virtual world. Smart devices embedded in an IoT network capture important information without requiring human intervention and deliver statistical information to the user. As the new Programat series is equipped with IoT technology, users have the option to activate this function on their new furnace.

An advantage of IoT functionality is ongoing device optimisation based on the evaluation of anonymised usage data. This means that technicians can expect consistently high-quality results and maximised efficiency from their second-generation ceramic and press furnaces.

Internet of Things: smart assistant for dental labs rogramat furnaces that are connected to the IoT network offer dental technicians additional advantages. For instance, IoT connectivity enables the Ivoclar support team to assess device-related data more easily and help customers more quickly.

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By opening a user account, customers can tap into the full potential of IoT technology. They can subscribe to a free report to receive automated monthly usage statistics. These reports provide users with a variety of relevant information, including usage metrics (e.g. operating and firing hours), remaining service life of the heating component, vacuum quality and the date on which the furnace was last calibrated. A traffic light system indicates the level of urgency with which individual steps for maintenance and optimisation should be carried out.

Easy-to-read diagrams provide an overview of the furnace’s utilisation measured in the number of firing processes and the proportional shares of the different types of materials used. By logging in to their customer account, dental technicians can easily manage their devices and services and directly clarify any questions they may have. All data that is transferred to the Ivoclar server is encrypted and protected from unauthorised access by third parties with the highest degree of security.

This means that dental technicians can benefit from additional comfort and high operational safety when using their IoT embedded Programat furnace. Monthly reports keep them informed of the current state of their device.

Model variants and availability he Programat ceramic furnace is the smart specialist for high-quality firing results. This furnace is available in three variations: P710 G2, P510 G2 and P310 G2. The Programat press furnace is the reliable partner for smart pressing processes. This model is offered in two variations: EP 5010 G2 and EP 3010 G2.

All of the above model variants come equipped with advanced IoT functionality and have been available on the market since June 2021.

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For more information, contact your Ivoclar Territory Manager at: AU: 1300-486-252 orders.au@ivoclar.com NZ: 0508-486-252 orders.nz@ivoclar.com

January/February 2022

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DENTAL MILL SOLUTIONS The Ultimate in 24-Hour Productivity 6-slot Automatic Disc Changer (ADC) to increase productivity 15-station Automatic Tool Changer (ATC) and Intelligent Tool Changer (ITC) Performance visualisation software and other intelligent updates

Maximum Efficiency and Precision Precision 5-axis milling of zirconia, wax, PMMA, composite resin, glass fiber reinforced resin, composite resin, CoCr sinter metal and more 15-station Automatic Tool Changer (ATC) and Intelligent Tool Changer (ITC) Better disc handling, improved tool management

Wet Milling at its Finest High-speed, precision milling of high-esthetic glass ceramics and composite resin In-House production of custom titanium abutments with the AK-1 kit Double your unattended milling capacity to 6 jobs with the ZV-42W 6-pin adapter

Small Footprint, Powerful Solution The most compact, scalable and versatile milling device in the dental industry Disc Adapter allows the prodution of crown and bridge dental restorations with 98mm material discs Automatic tool changer with two tools (optional 4) for unattended milling

The The Choice Choice for for True True Professionals Professionals

DGSHAPE makes it incredibly easy to produce high quality, amazingly accurate, DGSHAPE makes it incredibly easy to produce high quality, amazingly accurate, and cost effective dental restorations. Whether you’re just getting into digital and cost effective dental restorations. Whether you’re just getting into digital dentistry and CAD/CAM dental milling machines or expanding your current dentistry and CAD/CAM dental milling machines or expanding your current restoration production, DGSHAPE has the solution for you. restoration production, DGSHAPE has the solution for you.

www.rolanddg.com.au/dgshape www.rolanddg.com.au/dgshape sales@rolanddg.com sales@rolanddg.com || 1800 1800 500 500 119 119

spectrum | NEWS

Five options for 5+1 precision milling Fully automatic, flexible, vibration free – With the extra-large Teleskoper Orbit 125 mm: 1 orbit for 4 different blank diameters!

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he new M2 milling unit comfort line exemplifies precision and flexibility. With the M2 Wet Heavy Metal, the M2 Teleskoper, the M2 Dual Wet Heavy Metal, the M2 Dual Teleskoper and the M2 Dual Double Teleskoper, the comfort line comprises five milling units with fully automatic 5+1 axis simultaneous milling technology. The highlight in terms of flexibility is the extra-large Teleskoper Orbit (ø 125 mm): in combination with special interchangeable holders, it allows the processing of all common soft and hard material blanks of ø 95 mm, ø 98 mm, ø 106 mm or even ø 125 mm.

With the Teleskoper Orbit, blanks can be removed and reinserted back into the orbit at the same position with high precision in micron range. This is particularly helpful for adjusting the friction of telescopic jobs or for the two-stage fabrication of immediate restorations in case of implant-supported prostheses (Double Milling technique).

All M2 milling units are stand-alone solutions: it is possible to start milling and calibration processes or load elaboration tools directly from the machine via the integrated PC with touchscreen.

The optical tool detection ensures greater safety during milling.

The two separate large milling chambers are the trademark of the M2 Dual milling units. However, the M2 and the M2 Teleskoper milling units are also characterised by spaciously designed, optimally illuminated and easily accessible milling chambers as well as a separated, contamination-protected tool magazine with 21-compartment automatic tool changer function. Additional tool magazines with 21 tool slots each, are optionally available.

Depending on the machine type, up to 63 (M2 Dual) or 84 (M2) processing tools can be then easily stored and organised. The automatic self-cleaning function, the integrated Cleaning Kit for an easy cleaning of the milling chambers and the Ioniser (optional) ensure a particularly clean environment for the materials.

The performance range of the machines can be also extended by integrating different accessories available, e.g. the Glass Ceramics Holder 9 Teleskoper, the Raw-Abutment® Holder 6 Teleskoper and the JawPositioner Support. With the

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M2/M2 Dual Upgrade Kit, the M2 Wet Heavy Metal and the M2 Dual Wet Heavy Metal milling units can be upgraded to the Teleskoper version.

For more information, visit www.zirkonzahn.com. A flexible rental option of M2 milling units is also available! For more information, contact Alphabond Dental Pty Ltd - e-mail stan@alphabond.com.au or Call (02) 9417-6660.

January/February 2022

NEW! M2 MILLING UNIT COMFORT LINE The new M2 milling unit comfort line exemplifies precision and flexibility.

The line comprises five milling units – M2 Wet Heavy Metal, M2 Teleskoper, M2 Dual Wet Heavy Metal, M2 Dual Teleskoper and M2 Dual Double Teleskoper – all equipped with fully automatic 5+1 axis simultaneous milling technology.

OPEN SY STEMS

Teleskoper Orbit (Ø 125 mm)

WET

DRY Teleskoper Orbit (Ø 125 mm)

Extra-large Teleskoper Orbit: for the elaboration of material blanks with Ø 95 mm, 98 mm, 106 mm or even 125 mm, mini zirconia blanks for single crowns as well as glass-ceramic and Raw-Abutments® blanks. Discs can be removed and reinserted later at exactly the same position with high precision in micron range – particularly useful for adjusting the friction of telescopic jobs and for the two-stage production of immediate restorations in case of implant-supported prostheses (Double Milling technique).

M2 TELESKOPER WET HEAVY METAL Teleskoper Orbit (Ø 125 mm)

M2 DUAL TELESKOPER WET HEAVY METAL

Teleskoper Orbit (Ø 125 mm)

Ø 95 mm Orbit*

M2 DUAL DOUBLE TELESKOPER WET HEAVY METAL Teleskoper Orbit (Ø 125 mm)

* THE ORBIT CAN BE REPLACED WITH THE TELESKOPER ORBIT (Ø 125 mm) VIA THE M2/M2 DUAL UPGRADE KIT

NEW! M2 MILLING UNIT COMFORT LINE

Teleskoper Orbit (Ø 125 mm)

Alphabond Dental Pty Ltd – T +61 2 9417 6660 – stan@alphabond.com.au – www.alphabond.com.au Zirkonzahn Worldwide – T +39 0474 066 680 – info@zirkonzahn.com – www.zirkonzahn.com

spectrum | NEWS

Figure 1. Michael Wiernek, the first in Scandinavia to work completely with Digital Dentures, with his PrograMill PM7.

Digital dentures: The next big thing An insight into everyday practice with Michael Wiernek

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here is hardly an area of life that has not yet been affected by far-reaching technical change in recent years: “Digitalisation” is on everybody’s mind and, of course, dentists and dental technicians and their day-to-day practice have not been left untouched. In the current digital age, a solid computer-aided design and manufacturing (CAD/CAM) system is essential for cost-conscious and customer-centric dental practices.

The following interview looks at the opportunities and challenges of digital dentures based on the experience of Michael Wiernek, a prosthetist from Denmark with more than 20 years of experience.

18 eLABORATE

A personal yet holistic view of digital dentures and digital transformation in dentistry by Michael Wiernek enerally speaking, digital transformation has reached the dental industry and will continue to disrupt it and change dental treatment processes. According to Wiernek, the process of digitalisation in dentistry can and will pick up speed significantly as more and more interest in digital treatment processes is shown by dentists.

“Going digital allows me to improve all aspects of the patient treatment: My aim is to offer my patients the highest quality of products possible and to guarantee a

G

READ ME FOR CPD pleasant, comfortable treatment procedure,” he said. “An additional bonus is that the number of follow-up treatments drops significantly, as the products are much more accurate than ever before.”

From Wiernek’s point of view, analog denture treatments show advantages and disadvantages in comparison with digital denture workflows. In the analog treatment and manufacturing process, it is difficult to register the smallest details and take them into account in the design.

Therefore, it is not easy to maintain consistent quality.

Often, multiple impressions and dentures have to be made and the patient has to come to the practice for multiple fittings.

Digitalisation has significantly reduced

January/February 2022

spectrum | NEWS the steps as well as the time involved and therefore offers clients treatments that are state-of-the-art and provide superior customer satisfaction. Wiernek himself states that a main argument for using digital dentures is their high manufacturing quality and precision.

“In the past, when relying on analog treatments you just hoped that the prosthesis would fit when it was ready. Today, I don’t have to hope anymore, since I know that it’s going to be perfect! And it’s like that every day. I can predict that every denture will fit. Thanks to digital dentures, I always end up delivering the best quality, state-of-the-art treatments and consequently satisfying my customers entirely.”

Do you only work digitally or with conventional dentures? e work only digitally; never with conventional dentures. I consider us to be an almost all digital laboratory.

My colleagues and I were one of the first dental technician teams in Scandinavia to use digital dentures. As a result, we have created a laboratory that almost entirely eliminates the need for gypsum for producing dentures. With the digital denture method, we have reduced 10 hours of lab work to approximately 1.5 hours.

At the beginning, we couldn’t believe it ourselves, but it’s true.

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if you do everything with a digital denture system. I told them to be patient, to wait and see. Now I can tell them that digital dentures help you to improve patient care, treatment quality and efficiency and that is the truth.

What convinced you to manufacture your dentures with Ivoclar Ivotion? or me, the most convincing argument was the fact that with Ivotion you have a full denture plate in one, which no one else is able to provide. In addition, speed is an enormous advantage, since you don’t

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Product, production and treatment insight: How digital should a denture be? digital denturist through and through, Wiernek is convinced that analog prosthetics will fade into the background in the future. Significantly improved software, increased flexibility and processing speed as well as better manufacturing tools support the digital transformation process in dentistry. But it doesn’t mean the end of dental technicians specialising in denture fabrication. Indeed, it is a chance to extend their expertise to a digital platform. We talked to Michael Wiernek and he gave us a very personal insight into his new digital work experience.

A

When and why did you decide to take this step into digitalisation? ack in 2017, I was in Liechtenstein visiting the headquarters of Ivoclar.

This was the first time I really experienced what digitalisation could look like in the dental industry. When I experienced the new technology, I thought that this is how I wanted to work in the future. I then attended a small event at 3Shape in Copenhagen in January 2018, where the new scanner was presented. They told us that everything is set for digital dentures from now on. Two days later, I took the chance to do something different from what my colleagues were doing by entering a new era of dentistry. In March 2018, I bought the scanner, the software and a computer and I have been using them ever since.

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January/February 2022

Figure 2. Michael Wiernek designing an Ivotion denture in the 3Shape Dental System

Did you go through a big learning process or was it easy and intuitive for you? or me, going digital has been a unique yet tough journey, which I started in March 2018. The following 6 months involved truly hard work because no one (in Denmark) knew how to do it. After the summer of 2018, I had acquired a lot of know-how, but still I couldn’t do everything I wanted to. So, I went outside Denmark (US, Holland and Germany) to network and exchange knowledge with experts in the field. It took me many evenings and nights trying to figure things out at home, but after a year I fully committed to it and it paid off. I know almost everything about digital dentures now and even when I don’t, I always find a way to make it work.

In 2018, my colleagues told me, Michael, you’re crazy. What are you doing? It will be the end of your business

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have to glue the denture base and teeth together. The biggest difference between a conventional denture and a digital denture in my opinion is that I can significantly reduce patient visits by working with Ivotion. We can cut them down from 5-6 visits to 2-3 visits per denture and we’re fully done with satisfied and smiling patients.

How were your first experiences with Ivotion in your everyday work? fter having gained a deep understanding of the digital process and its steps, it was quite easy to design a denture with Ivotion.

In addition to saving a lot of working time, this method may also help you to lower costs in the future. It was a great experience for me to be the first in Scandinavia to work with Ivotion.

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spectrum | NEWS

Figure 3. Ivotion discs, ready to be milled.

When we created the first denture with Ivotion, I had this unique moment: I couldn’t believe it, but we had a full denture in about an hour and a half. Not only did it fit perfectly, but it also had great aesthetic appeal for the patient. I was overwhelmed - as this was a real breakthrough for the industry.”

How did the clinical and manufacturing process change atients have become much more relaxed since I can assure them that the result will fit them perfectly. I have also been able to take away the fear of patients who were anxious about dental interventions. The finished product simply fits better than in the past.

The feedback is great because they only have to attend one or two appointments before the denture fits. The patients are much more satisfied than in the past.

With Ivotion, they no longer have the same pain level as with the conventional method, since it is not only much better and faster, but also fits them perfectly. In addition, the reproducibility of the created prosthesis is simple and straightforward.

Digital dentures are an absolute win from the patient’s point of view.

Figure 4. Upper and lower dentures milled in a PrograMill PM7. step-by-step. So, seven months later I made the next move and got the lab scanner and then the 3D printer.

When it comes to the PrograMill PM7, I thought about it for two years, because of the high investment amount. However, I knew I couldn’t resist due to the fact that the PM7 is a very capacious mill for a high productivity. If I’m investing in something new, I’m going to go with the

P

Return on investment? n the beginning, I started by using the scanner and the 3Shape dental system.

At a very early stage, I also decided to only implement and follow the respective Ivoclar Digital Denture workflow and go

I

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The future of digital dentures ental treatments in the future will reflect your dentistry standards. It will become normal for dentists to work with digital dentures and patients will also increasingly ask for them in the future.

Digital dentures will help you to create a positive emotional relationship with your patients. They will be enthusiastic about the method, as they will be even more involved in the process and able to follow the procedure themselves. Going digital will ensure and secure your dental business in the near and distant future.

If you ask me, if I can recommend the Ivotion system, my answer is clear: Always. And I do recommend it to my colleagues all the time. Of course, it is an expensive system to invest in, but if you want to do high-end dentures, then the only way is to go digital. But it is not only about the quality: I would say if you do not invest in digital dentures now, you may have to close your business in the future.”

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About Michael Wiernek Figure 5. Patients are more satisfied than ever before with Ivotion digital dentures. best. I knew that in the long run I would invest in the PM7 anyway, knowing that if I wanted to hire more denturists or increase my production, the PM7 would be the right one. I have never regretted it, as for me it is the best available machine.

And it pays off.

Michael Wiernek is a denturist with over 22 years experience. He is the CEO and founder of Tandprotetikeren Aarhus and currently employs 6 people in Denmark.

He is the first in Scandinavia to work completely with digital dentures. To improve the digital denture workflow, he works in collaboration with 3Shape and Ivoclar.

He also educates lab technicians and denturists to go digital in Scandinavia.

January/February 2022

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Answer the questions online at www.dentalcommunity.com.au To retrieve your FREE Dental Community Login, Call (02) 9929 1900 or email joseph@dentist.com.au ceramic | TECHNIQUES

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28 veneered crowns on a substructure NexxZr® T framework

HELPING PROFESSIONALS HELPING PROFESSIONALS PROFESSIONALS HELPING PROTECT SMILES! HELPING PROFESSIONALS PROTECT SMILES! PROTECT SMILES! PROTECT SMILES! We soley supply mouthguard material T I your Our jobWeissoley to help grow business supplyyou mouthguard material Figure 1. Michael Wiernek, the first in Scandinavia to work completely with Digital Dentures, with his PrograMill PM7.

Digital dentures: The next big thing An insight into everyday practice with Michael Wiernek here is hardly an area of life that has not yet been affected by far-reaching technical change in recent years: “Digitalisation” is on everybody’s mind and, of course, dentists and dental technicians and their day-to-day practice have not been left untouched. In the current digital age, a solid computer-aided design and manufacturing (CAD/CAM) system is essential for cost-conscious and customer-centric dental practices.

The following interview looks at the opportunities and challenges of digital dentures based on the experience of Michael Wiernek, a prosthetist from Denmark with more than 20 years of experience.

A personal yet holistic view of digital dentures and digital transformation in dentistry by Michael Wiernek

enerally speaking, digital transformation has reached the dental industry and will continue to disrupt it and change dental treatment processes. According to Wiernek, the process of digitalisation in dentistry can and will pick up speed significantly as more and more interest in digital treatment processes is shown by dentists.

“Going digital allows me to improve all aspects of the patient treatment: My aim is to offer my patients the highest quality of products possible and to guarantee a

G

READ ME FOR CPD

pleasant, comfortable treatment procedure,” he said. “An additional bonus is that the number of follow-up treatments drops significantly, as the products are much more accurate than ever before.”

From Wiernek’s point of view, analog denture treatments show advantages and disadvantages in comparison with digital denture workflows. In the analog treatment and manufacturing process, it is difficult to register the smallest details and take them into account in the design.

Therefore, it is not easy to maintain consistent quality.

Often, multiple impressions and dentures have to be made and the patient has to come to the practice for multiple fittings.

Digitalisation has significantly reduced

By Michał Nytko and Maciej Nytko, MDT Clinical: Dr Jolanta Nytko, Senior Prosthodontist

Figures 1-2. Patient’s condition at baseline.

t is important to create restorations using predictable and safe procedures, so that the patient can leave the dental surgery with a new, aesthetic and functional smile. The work described in this report was completed in collaboration with an experienced prosthodontist, Dr Jolanta Nytko, who did all the clinical work. The technical work is done using a digital workflow, as far as possible, depending on the equipment available.

We soley supply mouthguard material We soley supply mouthguard material We soley supply mouthguard material Initial Situation

he patient presented with an initial complaint regarding the colour of her teeth. After the initial examination followed by the treatment of several teeth, the situation prior to starting rehabilitation is shown in Figures 1 and 2.

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Figure 3. Small adjustments of tooth length up to the lip line planned using Digital Smile Design software.

Our job is to help you grow your business Our job is to help you grow your Call or email us today to make a time to talk Our job is to help you grow your business Our job is to help you grow yourbusiness business 18 eLABORATE

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January/February 2022

Question 1. The main argument by the author for using digital technology is:

January/February 2022

Question 6. The main complaint by the patient in this case was:

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Question 2. The laboratory mentioned has almost eliminated:

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Phone (08) 9535 8664 | Email aussieguard@bigpond.com.au

Phone (08) 9535 8664 | Email aussieguard@bigpond.com.au a. The patients nose was too small.

Question 8. Using the Digital Smile Design analysis it was found:

Question 3. The most convincing argument for the Ivotion disk was: a. Price b. One disk for a full denture c. No try in d. No self cure resins used

b. The patients nose was too broad. c. The Nose was too long. d. The nose was asymmetrical.

Question 4. Going digital was...

a. It was a bad choice. b. It was too white. c. It would have created excessive contrast agains darker natural teeth. d. It would have created not enough contrast agains darker natural teeth.

a. Very easy b. A unique but tough journey c. Not worth it d. A piece of cake Question 5. After a deep understanding of the digital process, dentures were: a. Quite easy to design. b. Quite hard to design. c. Quite average looking. d. Unusable.

Question 9. Shade bleach 2 was not chosen because:

Question 10. The framework was milled using: a. Cheap imported zirconia b. Sagemax NexxZr T OM2 c. Lithium Disilicate d. Wax

AUSTRALIAN MOUTHGUARDS™

www.australianmouthguards.com

INSTRUCTIONS:

AUSTRALIAN

MOUTHGUARDS™ AUSTRALIAN eLABORATE™ is now offering subscribers the ability to gain 1 Hour CPD credit from reading articles in this edition of the magazine and MOUTHGUARDS™ answering the questions above.

AUSTRALIAN To participate, log in to the Dental Community website at www.dentalcommunity.com.au and click on the CPD Questionnaires link; MOUTHGUARDS™ select the eLABORATE Jan/Feb

www.australianmouthguards.com www.australianmouthguards.com

2022 questionnaire and then click START. A score greater than 80% is required to PASS and receive CPD. If you do not have a free login, call (02) 9929-1900.

spectrum | NEWS

ADA NSW and ADIA team up to host new SIDCON22 conference and expo

W

orld-class speakers, cutting-edge industry exhibitions and a stellar line-up of social events will all feature as part of a new landmark event for the Australian dental profession.

The Australian Dental Industry Association (ADIA) and the Australian Dental Association New South Wales (ADA NSW) have joined forces to deliver Australia’s largest oral health and networking event of 2022.

Bringing together the flagship ADX Sydney exhibition and the inaugural Sydney International Dental Conference (SIDCON22), this blockbuster combined event will take place from March 16-19, 2022 at the International Convention Centre Sydney.

Thousands of dental professionals, including dentists and their practice teams, hygienists, prosthetists, therapists, dental students, recent graduates and industry representatives are expected to attend the event, which will connect all aspects of dentistry for the first time.

Three-time Paralympic gold medallist Kurt Fearnley AO will be among the line-up of leading Australian and international speakers featured in the SIDCON22

26 eLABORATE

program, which will present the latest developments across a range of oral health and other topics, including business administration, science and health and well-being.

Delegates will then head over to the ADX Sydney Exhibition, which runs from March 17-19, to explore the latest in dental technology and innovation.

ment to delivering the best possible value and services for them.”

With free childcare onsite, delegates will be able to connect with friends and colleagues through a host of social and networking events on offer, including the popular 2022 Australian Dental Industry Awards and Women in Dentistry Breakfast. Other events will include the

ADA NSW President Dr Kathleen Matthews said SIDCON22 was an unmissable event for the Australian dental profession.

“We are hugely excited to unite with ADIA for this event, which will help further empower dental professionals and improve the delivery of oral health in Australian,” Dr Matthews said. “Dentistry plays a critical role in the overall well-being of Australians and SIDCON22 will allow dental practitioners and their teams to unite, share ideas and discover a wealth of new innovations to advance the profession.

“With our current membership levels at a 15-year high, ADA NSW continues to lead the way in supporting our members.

This event further underlines our commit-

SIDCON22 gala event cocktail party at the Big Top in Sydney’s Luna Park, a recent graduates’ party at Darling Harbour’s Madame Tussauds and the SIDCON22 Golf Day. “The combination of ADX Sydney and SIDCON22 underlines our commitment to delivering the best possible value for our respective members,” ADIA CEO Kym De Britt said. “I expect the combined event will bring more than 10,000 delegates through the doors and over the next six years grow to be one of the largest oral health events in the Asia-Pacific Region.”

More information on SIDCON22 is available at www.sidcon.com.au.

January/February 2022

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ceramic | TECHNIQUES READ ME FOR CPD

28 veneered crowns on a substructure NexxZr® T framework

By Michał Nytko and Maciej Nytko, MDT Clinical: Dr Jolanta Nytko, Senior Prosthodontist

Figures 1-2. Patient’s condition at baseline.

I

t is important to create restorations using predictable and safe procedures, so that the patient can leave the dental surgery with a new, aesthetic and functional smile. The work described in this report was completed in collaboration with an experienced prosthodontist, Dr Jolanta Nytko, who did all the clinical work. The technical work is done using a digital workflow, as far as possible, depending on the equipment available.

Initial Situation

he patient presented with an initial complaint regarding the colour of her teeth. After the initial examination followed by the treatment of several teeth, the situation prior to starting rehabilitation is shown in Figures 1 and 2.

T

28 eLABORATE

Figure 3. Small adjustments of tooth length up to the lip line planned using Digital Smile Design software.

January/February 2022

Figures 4-5. Intraoral scans performed using a CS 3600 intraoral scanner, showing the situation before and after preparation.

Figure 6. Designing the temporary restoration that will be made in PMMA.

Figure 7. Trying the PMMA in the patient’s mouth.

Figures 8-9. Scans of the PMMA temporary and the lower prepared teeth.

Clinical stages Analysis of the facial aesthetics using the Digital Smile Design (DSD) approach indicated that the patient’s nose was asymmetrical. This aspect was omitted and the analysis focused on the remaining reference points. The incisor midline was regular. Only small adjustments of tooth length in relation to the lip line were needed (Figure 3).

Following the DSD design approach, a suitable colour was chosen. The patient’s initial selection was Bleach 2. This would have created excessive contrast against the darker natural teeth. After further discussion, shade Bleach 3 was chosen as the body shade and Bleach 4 as the cervical shade.

January/February 2022

fter reduction of the maxillary teeth and removal of a crowded displaced mandibular incisor, the teeth were scanned using a CS 3600 intraoral scanner (Figures 4 to 5). A traditional putty-wash PVS impression was also taken. From the digital scan, the OBJ and STL files were sent to the dental laboratory and used to create virtual models within exocad DentalDB software.

The intent was to use acrylic (PMMA) for the temporary. This would make occlusal adjustment easier and simplify the process try-in to verify the patient’s preferences in terms of tooth shape and shade and overall tooth alignment (Figure 6). The PMMA temporary was milled from PMMA using a VHF 4K4 milling machine. This was then tried in, the occlusion adjusted and photographs taken (Figure 7). The lower teeth were prepared, digitally scanned and a putty-wash impression also taken (Figures 8 and 9).

A

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ceramic | TECHNIQUES

Figures 10-13. Developing the structure of the upper and lower teeth in exocad.

Using scans of the adjusted PMMA temporaries, as a pre-op scan, we used exocad software and determined how much additional tooth reduction and preparation was needed. This allowed the final preparations of the upper teeth to be planned and completed (Figures 10 and 11), followed by the lower teeth, as a separate step in the process (Figures 12 and 13). The framework was milled from zirconia (Sagemax NexxZr T OM2) using a VHF 4K4 milling machine. After removing connector residuals, frameworks were cleaned and prepared for sintering. After sintering, their fit was checked against the plaster models poured from the PVS impressions taken earlier. After this check was completed, they were delivered to the dental surgery for try-in.

Bite records were taken so the models could be mounted in an articulator (Figures 14 to 16), to check the frameworks.

30 eLABORATE

Figures 14-16. Try-in in the mouth.

January/February 2022

t Contac tal nt Den Durode ge to n to arra teeth lara see De Y! TODA

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Easy set-up: the basal design of Delara was developed especially for easy set-up with minimal grinding and without changing the basic shape and layering during grinding.

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Flexibility combined with aesthetics: all indications and set-up options are possible. The unique surface structure with its blueish effect and dynamic light refraction provide a fresh and lively appearance.

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ceramic | TECHNIQUES

The zirconia was then etched using the Zircos-e system in our laboratory and the ceramic work commenced using Creation ceramics by Willi Geller.

Veneering or Bleach shades, it’s important to achieve a natural appearance of the tooth.

In this case, for the cervical and approximal regions, Bleach Dentine BD-A was used, while on the remaining areas, Dentine BD-B was used. A mamelon effect was enhanced with Transpa pink TI-03. Space separating, finger-like structures were filled with equal amounts of Clear window UC and Transpa TI-05 materials used alternately. A thin layer of neck-transpa HT-52 khaki was applied on the palatal dentine surfaces. Neck-transpa HT-51 iridescent was used as the final layer on cervical areas, while bleach S-AB enamel was applied on the remaining areas, with a 20% addition of clear CL-O to increase enamel transparency. A “halo” effect was obtained using enamel PS-0 white.

Texturing of the surfaces was undertaken. The fitting of the whole assembly was checked for the last time. At this stage, some final adjustments of the occlusion were undertaken (Figures 17 and 18).

After fusing the porcelain, the restorations were inserted and final cementation was completed. The situation at the final visit is shown in Figures 19 to 21.

F

Figures 17-18. Fine adjustments made to the occlusion.

Summary his case shows the use of a digital workflow, with traditional models used to check fit and occlusion. This brought out the best from both approaches, giving certainty about proper fit and correct occlusion, making the procedure more predicable.

T

This article was originally published in Polish in Digital IQ Poland. Reprinted with permission.

For more information, call Impulsedent Australia on (07) 3200-4750, or visit www.impulsedent.com.au or see www.sagemax.com

32 eLABORATE

About the authors: Michał Nytko is a dental technician and a technical consultant in Poland for Sagemax. Maciej Nytko is also a dental technician and a ceramist. He has a Masters in Dental Technology. He serves as a technical consultant in Poland for Smile Line, Dekema and Shofu and Creation Willi Geller.

January/February 2022

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Figures 19 to 21. The completed restorations the patient’s mouth.

NexxZr® T - Translucent. High strength. exxZr T is a dental zirconium oxide (3Y-TZP) with very high flexural strength (1270 MPa) and medium translucency (42%). This combination enables a maximum variety of indications for the fabrication of monolithic and anatomically reduced single-tooth and bridge restorations.

The soft material quality of the discs positively affects the lifetime of the milling tools and ensures effortless separation and post-processing. Thanks to these properties, NexxZr T provides an economic advantage for the users in the laboratory. The proven product properties of the material were honored several times with the Dental Advisor Award “Long-Term-Performer Esthetic Zirconia”.

N

34 eLABORATE

January/February 2022

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ceramic | TECHNIQUES

umberto_scorza_dt

Enhancing aesthetics simply and naturally: The Aidite protocol

By Umberto Scorza

T

hese days metal-free restorations are the mainstay of most dental laboratories and among the many materials involved, zirconia is arguably the most common. There are many types of zirconia produced by many different companies, so it’s important to have a solid understanding of the differences in materials and select the optimal products to establish a productive workflow.

The Aidite company has released their latest generation of zirconia, 3D PRO ZIR. When this product is combined with their new Biomic stain kit, excellent aesthetic outcomes are achieved.

3D PRO ZIR is a multilayer and multistrength monolithic zirconia disc that offers up to 57% translucency in the incisal/ occlusal areas, with a multi strength structure from 700mpa up to 1050 mpa . These properties are important to help make the material suitable for most aesthetic indications.

It has many advantages such as highly aesthetic characteristics that closely mimic layered porcelain; longevity, as given the crystalline structure of zirconia, it is very stable and the percentage

36 eLABORATE

Figure 1. Aidite Biomic stain kits. of chipping measured under load testing is very low; laboratory efficiency: for example with these universal zirconia discs we can minimize the need to stock other kinds of zirconia discs in the inventory as it’s a “do all” material.

3D PRO ZIR also has a different layering structure as it shows a natural gradient from the dentine to the enamel without steps (Figure 2). To complete the aesthetic characterisation of the zirconia, Aidite has also introduced the Biomic stain kit for gum and aesthetic colouring, that is also usable with all types of ceramic.

This combination of materials optimises the workflow to create simple procedures that give great results.

January/February 2022

ceramic | TECHNIQUES Aidite 3D PRO-ZIR physical characteristics Shades

16 Vita Classic shades Hollywood White

Translucency

57%

Bending Strength

1050 MPa (Cervical)

Sintered Density

≥6.0g/cm3

Fracture Toughness

5Mpam0.5

Hardness (Hv10)

1250

Figure 2. Aidite 3D PRO-ZIR gradient structure (left) vs typical layering structure of other coloured zirconia products.

Figures 3-6. Full arch titanium bar with a monolithic Aidite 3D PRO-ZIR zirconia suprastructure.

Full contour zirconia onolithic zirconia is now useful for all types of restorations from a simple single crown to full arch “All on X”.

When creating large span restorations like “All on X”, however, one of the main problems that can be encountered for a porcelain layered framework is chipping. Patients tend to have a different sensitivity in masticatory movement and lack proprioception, so massive forces can be transferred to the prosthetic.

For this reason, the restoration is always subject to differing pressures at certain points, which frequently causes chipping of layered porcelains.

To minimise the risk of chipping, using a highly aesthetic monolithic zirconia like Aidite 3D PRO-ZIR is an effective solution.

Figures 3-6 documents a case that combines a titanium bar with a monolithic zirconia suprastructure externally characterised with Biomic stains.

To achieve the best results, the zirconia surface requires the correct treatment. When preparing the surface to accommodate

M

January/February 2022

the stains, we typically hand polish the entire surface, which is fundamental to enhance the translucency of the material.

This phase is carried out using burs, rubbers and diamond paste.

Subsequently, the zirconia overlay will be sandblasted and steam cleaned in order to fully prepare the surface to accept the stains.

The number of firings for the stains can vary, however we usually attempt to finalise the restoration in a maximum of three firings - Two for the characterisations; and one for the glazing which can be applied as normal fluo glaze or as 3D glaze paste.

The aesthetic of the gum was created by combining Biomic stains and a very thin 0.3 mm layer of porcelain.

The 3D glaze pastes contain ceramic particles which makes the restoration have a different light impact and also gives more depth. This concept can be utilised in different situations.

The next case shows this protocol can also be useful for anterior restorations where we have to mimic natural teeth in the patient’s mouth. Same simple procedure same high aesthetic outcomes.

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37

ceramic | TECHNIQUES

Anterior restorations s mentioned previously, this concept can also be used for anterior restorations when teeth characteristics allow us to choose a monolithic solution.

The Zirconia blank for the case shown in Figures 7-9 was chosen in shade A4 and the aesthetic characterisations of the restoration were consequently processed in three bakes.

Two for the stains and one for the 3D glaze paste which was completed using 3DN glaze.

As we can see with simple procedures we can give high quality aesthetic results.

A

Microlayering technique on 3D PRO ZIR n order to achieve teeth characteristics on difficult shades, the microlayering technique offers a very useful solution. The microlayering technique consists of creating a thin porcelain layer on the buccal zone of the restoration combined with internal and external stains. The common cut back thickness varies from 0.3 mm to 0.5mm, therefore it is known as microlayering.

I

Figures 7-9. 3D PRO ZIR monolithic zirconia centrals.

Figure 10. Internal stains.

Figure 11. Porcelain layer.

Figure 12. External stains and glaze.

Figure 13. Outcome in situ.

About the author As per the case documented in Figures 10-13, on our left the shade was quite particular, therefore we have finalised the restorations in 3 steps; Internal stains - Porcelain layering - Glaze/ External stains. To achieve the best outcomes, the choice of the zirconia’s shade has to be accurate in order to gain a significant aesthetic base to minimise the layering.

In this case, the zirconia blank was chosen in shade A3.5 and layered with different powders like dentine enamel and opalescent which combined with some internal and external stains to achieve the outcome.

38 eLABORATE

Umberto Scorza is an Italian dental technician currently living and working in Perth, WA. He graduated in Italy at the I.P.S.I.A. TraniMoscati in Salerno and worked as a dental technician in Italy for 3 years. Umberto moved to Perth in 2018 and gained experience in different laboratories before joining Senesi Dental Laboratory.

He has attended many courses including with Kang Chien-Ming and Mitsu Fukushima and is a member of the ArtTech AIDITE Global KOL Association powered by Aidite. Umberto is inspired to improve and grow every day thanks to the many great ceramists he has worked with including his current employer, Giuseppe Senesi.

January/February 2022

thermoforming | TECHNIQUES

The first custom fabricated sports mouthguard to carry the CE mark*

By Peter Herring, Adv Dip Dent Tech, ACCDP

T

he Playsafe triple and Playsafe triple-light materials combined with the manufacturing method stipulated by Erkodent, are the first individually made sports

mouthguards to be tested according to the EU regulation 2016/425 annex II and granted permission to carry the CE marking as a custom personal protection item (PPE).

Playsafe Triple

Erkoflex 3.0 mm Triple layer 1.0 mm Erkoflex 1.5 mm

Buccal shield as protection against lateral impacts *Articulation surface with buccal shield

Designed for adults and professional sports people with stable dentition and engaged in sports with the potential to receive heavy facial impacts, the Playsafe triple and Playsafe triple-light (for cramped oral conditions) are also useful as premium protection for sports people with compromised dentitions i.e. prominent anterior teeth, implants etc. * CE accreditation assures the sports person they have a tested product which they can rely upon to give the best protection. Without having passed the EU type examination, sport mouthguards that are individually fabricated by dental technicians or dentists are not permitted to bear a CE marking.

Scan the QR code to watch the Playsafe Triple manufacturing method

Figure 1. Playsafe triple mouthguard.

Figure 2. The Playsafe triple includes the first molar. The occlusal opening is 3-4mm at the incisal point. The Playsafe triple sports mouthguard is only fabricated for the upper jaw. It covers as much as possible of the vestibular surfaces and features an abbreviated palatal design finishing approximately 1mm past the gingival margins of this area.

40 eLABORATE

January/February 2022

thermoforming | TECHNIQUES

Figure 3. The occlusion is preset using the Erkoform/Occluform combination.

Figure 4. The occlusal platform is then created in the same forming as the single 3 layered foil.

Playsafe Triple - Key benefits n

n n n n n

Protective capability equivalent to custom laminated triple layered mouthguards;

Production time reduced to be in line with a single layer mouthguard; Variability of workmanship minimised;

Integrated inclusion of an optimal occlusal scheme; Reduced bulk, particularly in the palatal area; and CE accredited materials and production method.

+ Occluform 3 Automated thermoforming with integrated articulator

Figure 5. The resulting form has a comfortable flat bite plane with buccal shields to assist with lateral impacts and to aid in location of the mandible.

About the author Peter Herring is a dental technician, prosthetist and a regular contributor to eLABORATE. He is the Australasian and Indonesian distributor for Erkodent products and spends his time between offices in Perth and Bali. He also operates a busy Australian lab dedicated to thermoformed appliances. He can be contacted at pjh@erkodent.com.au or for general enquires, call Freecall 1800-242-634.

The model is positioned The heating cycle initiated The 3d Motion automatically completes the thermoforming and cooling cycle 3d motion & Occluform 3 Package $6397 ex GST Reserve for Feb/March 2022 delivery

telephone toll free 1800 242 634 - email info@erkodent.com.au online shop www.erkodent.com.au

January/February 2022

eLABORATE

41

new | PRODUCTS Information contained in this section is provided by the manufacturers or distributors. eLABORATE does not assume responsibility for the accuracy of the data.

Affordable 3D resins made in Australia

Designed to work in all open system DLP and MSLA 3D printers, PORCELENE™ dental model resin allows for high precision accuracy, dimensional stability, an opaque matte finish with a gypsumlike texture for all 3D printed dental model processing. The delicate balance between

toughness, hardness and flexibility optimises it for all processes including diagnostic, crown and bridge models and prototypes, implant and orthodontic models. Its low flex properties also make it suitable for vacuum forming aligner models. PORCELENE dental model resin is available in Almond and Grey colours and in either 1L or 5L containers.

Best of all, PORCELENE is made in Australia and is one of the most affordable resins on the market. Monocure 3D Dental model resin is NOT approved for intraoral use.

Available: fabdent Tel: 1300-878-336 info@fabdent.com.au www.fabdent.com.au

UNIZ NBEE: 6 models in 5 minutes The latest UNIZ NBEE 3D printer is designed for dentistry with speed, accuracy and reliability in mind. The NBEE prints 6 dental models in 5 minutes with high accuracy (50 µm pixels), 95% uniformity and up to 99% precision matching. It uses a patented high efficiency liquid cooled LCD-SLA light source for 24/7 non-stop printing. The NBEE includes the World’s fastest dental slicing software for easy and comprehensive model processing. Features include patented micro stereo film; high power light source; resin temperature control system; and a large variety of dental resins are available.

Available: fabdent Tel: 1300-878-336 info@fabdent.com.au www.fabdent.com.au

42 eLABORATE

Multifunctional aesthetic zirconia

NexxZr T Multi is the latest generation multilayer zirconia (3Y-TZP cervical, 5Y-TZP incisal). The combination of the very high flexural strength (1170 MPa cervical, 630 MPa incisal) and the smooth gradient of colour and translucency makes the difference. This combination offers optimal

conditions for the fabrication of monolithic or anatomically reduced single-tooth and bridge restorations.

Available: Impulsedent Tel: 1300-303-638 contact@ impulsedent.com.au www.impulsedent.com.au

NexxZr+ Multi multilayer zirconia

NexxZr+ Multi is a multilayer zirconi (4Y-TZP cervical, 5Y-TZP incisal) with natural colour and translucency gradient and high flexural strength (880 MPa cervical, 630 MPa incisal). These properties enable the fabrication of highly aesthetic, monolithic singletooth and bridge restorations in the anterior and posterior region. The specially adjusted translucency gradient ensures

good coverage in the cervical area and increased translucency in the incisal area. The integrated colour gradient also ensures the efficient fabrication of natural-looking restorations.

Available: Impulsedent Tel: 1300-303-638 contact@ impulsedent.com.au www.impulsedent.com.au

January/February 2022

Original manufacturer for dental CADCAM millingfor Original manufacturer machine and Zirconia dental CADCAM milling machine and Zirconia

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Get your disc here: 50 Natalie Road, Buccan QLD 4207 T: 1300 303 638, (07) 3200 4750 F: (07) 3200 4752, E: contact@impulsedent.com.au www.impulsedent.com.au © 2021 Sagemax Bioceramics, Inc., Federal Way, WA, US, Sagemax and NexxZr are registered trademarks of Sagemax Bioceramics Inc.

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