eLABORATE Mar/Apr 2022

VOL.19 NO.2

MARCH/APRIL 2022

TWO DAYS OF LECTURES AND WORKSHOPS ON DIGITAL DENTISTRY FOR DENTISTS, SPECIALISTS, DENTAL TECHNICIANS AND DENTAL PROSTHETISTS

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www.dentaltechnology.com.au The new face of digital dentistry

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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TWO DAYS • 7 CONCURRENT EDUCATION STREAMS Join us again or for the first time at Digital Dentistry & Dental Technology 2021 for a fun, 40+ TOP SPEAKERS • with 95+ EDUCATION exciting and fully immersive learning experience the best of the best in the newSESSIONS age of dentistry. This year’s program will cover Digital Smile Design • Digital orthodontics • 3D PRINTING • INTRAORAL SCANNING • MILLING Intraoral scanning • Digital implantology • Digital full arch restorations and full mouth rehabilitations • Digital Dentures • 3D printing • Milling • CBCT • Material and applications DIGITAL DENTURES • IMPLANTS • ORTHO & MORE • 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.

5.00pm - 7.00pm - happy hour all catering and Friday drinks.

EARLY BIRD PRICING 5.00pM - 7.00pM - happy hour Multiple lectures and workshops Multiple lectures and run workshops $660 before 28 Mar are being concurrently to allow SATURDAY 4 JUNE 2022 are being run concurrently to allow SATURDAY 29 MAY 2021 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 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

eLABORATE | CONTENTS

VOLUME 19 | NUMBER 2 MARCH/APRIL 2022 On the cover...

Digital Dentistry & Dental Technology 2022, Australia’s #1 digital dentistry event, is on again this June 3-4. Don’t Miss Out! Register at www.dentaltechnology.com.au

6 8 24 42

26

BRIEFS

CAD/CAM

SPECTRUM

3D PRINTING WITH SPEED UNIZ NBEE

CPD CENTRE

CAD/CAM

COMPLETE RESTORATION MADE WITH THE NEW PRETTAU® 3 DISPERSIVE® ZIRCONIA ON ANODISED TITANIUM BARS - 100% DIGITALLY DESIGNED

32 40

NEW PRODUCTS

ORTHODONTICS

THE NEW DENTAURUM HYRAX® NEO

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twitter.com/eLABORATEnow

THERMOFORMING

THE PLAYSAFE TRIPLE AND FLEX HEAVY-PRO

instagram.com/dentevents

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 It’s finally here...

Next March marks 100 years of IDS

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inally, after two and a half years of delays, Digital Dentistry & Dental Technology 2022 is taking place

By Joseph Allbeury again on June 3 and 4.

And let me start by saying that it’s going to be a great event once again - so if you haven’t registered, stop reading and do it immediately!

The normally annual event was last staged in September 2019, so personally, I can’t wait for it to run again.

When we created this event, it was meant to provide a comprehensive window into how digital technology is affecting the clinical and laboratory sides of dentistry. It was meant to be a fun event where delegates are offered the choice of multiple education sessions throughout the two days that allows each individual to craft a program that suits their individual requirements. Digital Dentistry & Dental Technology was also meant to celebrate the symbiotic relationship between clinic and laboratory and bring together great minds in one place to discuss the here and now as well as the future. And I must say, time and again, Digital Dentistry & Dental Technology delivers all this and more.

If you haven’t attended in the past, here’s how it works.

The event this year offers you seven concurrent education streams to choose from. Six of the streams are lectures, either 45 or 90 minutes in length and the other stream offers hands-on sessions. You don’t need to commit to any stream and you can move freely between the sessions - all the rooms are close together so it’s simple to move around.

There is no need to prebook any of the lectures, however, when you arrive, please visit the workshop desk and sign up for any workshops you want to do as these take limited numbers. Everything is included in the registration price as is morning tea, lunch and afternoon tea on both days and drinks on Friday evening.

Visit www.dentaltechnology.com.au and download the program before the event and plan which sessions you want to attend - or play it by ear on the day. Whatever works for you. You will also receive a hard copy of the programme in your conference satchel.

It’s taken a huge amount of work to organise this event and I cannot thank everyone enough who has worked with us to make it possible. We have a world class line-up of local and international speakers delivering sessions that cover every hot topic in the digital space from scanning, 3D printing, milling, software, aligners and orthodontics, to implant prosthetics, digital dentures, restorative dentistry and much more. All we need now is for you to come along, relax and enjoy the program.

Thank you too to our sponsors, exhibitors and everyone else who has helped, plus everyone who has registered already, especially those who have been patiently waiting a long time for this event to occur.

So if you haven’t already, register now and see you in June!

Joseph Allbeury, Editor and Publisher

6 eLABORATE

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DS, the leading global trade fair of the dental industry is celebrating a double anniversary next year: Not only will the 40th edition of the International Dental Show be staged from 14 to 18 March 2023 in Cologne, Germany, IDS is also looking forward to its 100th birthday.

The success story of the dental world is inseparably linked with IDS, because the leading trade fair is based on a system of values that makes it unique.

100 years of IDS stands for the depiction of the industry in its entirety, for innovations and market trends, for a consistent and open comparison of performance in the sense of the Olympic principle and last, but not least, for a leadership claim as the largest international industry platform that has been repeatedly confirmed for decades.

When the online applications kicked off in February, the centenary edition of the world’s largest trade fair for dentistry and dental technology received numerous inquiries for exhibition space from myriad companies. The first planning phase is now underway.

The success story and the anniversary of IDS are also an outstanding result for Cologne-based organiser Koelnmesse, because the International Dental Show has now been staged at the trade fair location in Cologne for over 30 years. At the time, the Association of German Dental Manufacturers (VDDI), decided to provide IDS with a permanent home in Cologne from 1992 onwards and to entrust Koelnmesse with organising the trade fair. Before this, the IDS was staged in different locations by different organisers.

Cologne (Köln) is the largest city on the Rhine River and the fourth most populous city in Germany. The city’s medieval Catholic Cathedral (Kölner Dom), is a globally recognised landmark.

Visit www.ids-cologne.de for more information.

March/April 2022

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spectrum | NEWS

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

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igital Dentistry and Dental Technology 2022 is a month 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 80 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 over 40 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 line-up 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.

March/April 2022

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©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

A new look and feel for the future: Ivoclar Group updates visual identity

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or the Ivoclar Group, one of the world’s leading providers of integrated solutions for high-quality dental applications with a comprehensive product and system portfolio for dentists and dental technicians, values, convictions and a progressive, customeroriented corporate culture are the basis of its strong brand. For almost 100 years, the company, headquartered in Schaan, Liechtenstein, has been shaping the dental market with its name, product innovations and industry-leading pioneering achievements. Working with dental professionals to give people around the world a healthy and beautiful smile is the company’s stated mission. Already started in 2021, Ivoclar set new accents with targeted activities that are even more strongly focused on the needs of the customer. In order to visually underline the new departure into a customer-oriented, modern and innovative age, Ivoclar is starting the new year with a fresh appearance and an adapted logo. The most important change: the “Vivadent” in the brand name and logo has been dropped, as have some additional visual elements, so that in future, the company’s clear focus on the essentials will also be reflected in the logo.

The brand as a guiding principle ith its focus on putting people, partners and customers at the center of its activities, Ivoclar underpins its claim to make the workflows in the daily work of dental technicians and dentists easier and more efficient and likewise to make the patient experience as pleasant and personal as possible. The brand image is and remains a first point of contact with the company. This is precisely why it is so important that the brand’s appearance also serves the function of a mission statement and reflects the innovative strength that is lived out. At Ivoclar, the external understanding of the brand rests on three supporting pillars:

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1. Partnership and customer eople, partners and customers are the focus of the daily actions and activities. The brand stands out with a straightforward design and consistent communication to the customer.

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2. Innovation and technology voclar stands for progress through technological innovation. This carries the company’s mission: “Making People Smile”. Innovation, progress and continuous research and development, based on the needs of customers, ensure the success of tomorrow in the long term. With inno-

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vative products and services, Ivoclar not only makes dental technicians’ and dentists’ workflows easier and more efficient, but also makes the patient experience shine positively.

3. Family and friends he Ivoclar Group is a family-owned company with heart and soul: reliability, transparency and communication at eye level are the basis of a good partnership - whether towards customers, employees or patients, who are all considered together as part of the Ivoclar family.

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Focus on the essentials - the new look voclar already demonstrated a modern, fresh design approach last year with its new website, the appearance at its “The Live Experience Tour 2021” and in other communication areas. The reduction to the essentials, a lifestyle-oriented, emotional visual language that puts people in the foreground and, last but

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not least, the development and use of modern marketing tools pay directly into the mission “Making People Smile”. It is only logical that the logo has now also been redesigned. The most striking feature is the reduction of the brand name to its essential component: “Ivoclar Vivadent” becomes “Ivoclar”. And even here, the consistent orientation towards the customer is evident, because many of Ivoclar’s business partners have long since dispensed with the suffix “Vivadent” in their daily usage.

“With our long-standing tradition, our pioneering achievements and our constant innovation, we can rely on a strong corporate brand as a foundation”, explains Diego

Gabathuler, CEO of the Ivoclar Group.

“Nevertheless, I am convinced that there is still a lot of unused potential for us here, which we want to fully exploit in the future.

A clearly structured positioning, which is also expressed in the visual appearance, is particularly important with regard to a future-oriented alignment of the company, which leads to the innovation that places our customers and their patients at the centre of our actions and activities. For us, this is not just a matter of giving our logo some tweaks. Rather, the new corporate identity with its clear, reduced and focused visual language represents everything that our brand understanding stands for.”

The new Ivoclar logo and corporate design will be used globally in all communication channels from now on - where this has not yet been incorporated - and will also be gradually applied to brochures and other printed collateral.

For more information, contact Ivoclar in Australia on 1300-IVOCLAR or in New Zealand, call 0508-IVOCLAR or visit www.ivoclar.com

March/April 2022

Simply scan and design PrograScan® PS5 PS3 – Precise scans and rapid scanning speed – Extensive application options in seamless workflows for optimal results – Easy handling and intuitive design with exocad DentalCAD

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ivoclar.com | AUS 1300 486 252 | NZ 0508 486 252

spectrum | NEWS

Digital solutions lead the way into the dental practice Ceramill Direct Restoration Solution (DRS) from Amann Girrbach for interdisciplinary future-oriented collaboration and speedy production

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ith its new Ceramill Direct Restoration Solution (DRS), Amann Girrbach is extending its integrated digital workflow to the dentist, thus closing the existing communication gap between the dental practice and the laboratory. In this process, both partners contribute their core competencies to provide patients with definitive and functional dentures even more quickly and less complicated - smaller units are also possible on the same day, depending on the local distance between the two partners.

Depending on the type of collaboration desired, three team workflows are available in combination with the corresponding Ceramill DRS Kits. The central basis of these workflows is the new AG.Live digital platform, which offers both an infrastructure and patient case management at a realizable consistency and efficiency previously unattainable. It takes the flow of information and work between the practice and the laboratory to an entirely new level.

Figure 1. Ceramill DRS.

Virtual platform AG.Live creates freedom, more efficient processes and greater customer proximity ith AG.Live, Amann Girrbach launched the largest digitisation offensive in the company’s history.

This web-based portal for collaboration between laboratories and dentists offers perfect digital services at all levels. To give an example, AG.Live as a central tool for digital case management, a networking, infrastructure and material management, support and knowledge database will gradually replace the previous C3 customer portal.

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Figure 2. Amann Girrbach takes interdisciplinary collaboration between the laboratory and the dental practice to a new level with the new DRS product series and the AG.Live digital platform.

March/April 2022

spectrum | NEWS

Figure 3. The Ceramill Direct Restoration System (DRS) joins dental technicians and practitioners together in an interdisciplinary and future-oriented team and enables easy entry into same-day denture fabrication (Same Day Dentistry).

On the one hand, the platform networks machines and materials in the laboratory, thereby simplifying processes and increasing quality and reproducibility. The biggest advance, however, is providing the link in a growing global network of digitally operating dental professionals. This bridges the interdisciplinary gap between dentists and dental technicians and facilitates future-oriented cooperation. In this network of optimised and new partnerships, the participants can focus on their strengths and better position themselves on the market.

Extending the digital Ceramill CAD/CAM workflow to the dentist he Ceramill DRS Connection Kit acts as the basic and entry-level variant, with which dentists and laboratories can already take full advantage of digitisation. It consists of the intraoral scanner, the Ceramill Map DRS, the associated scan software and the connection to AG.Live. Any order data including all the required information can therefore be shared seamlessly and in real time with the laboratory. This eliminates the need for handwritten job sheets and conventional impressions. All that is necessary is a single physical transport: getting the restoration to the practice for insertion in the patient’s mouth, even on the same day in case of simple restorations. This leads to a better dental experience for the patient and ultimately attracts new patients to the practice and generates more orders for the laboratory.

And if the preferred material is zirconia, the High-Speed Zirconia Kit, consisting of the Zolid DRS high-speed sintering zirconia and a corresponding Ceramill Therm DRS sintering furnace, can optimally support the laboratory here in fabricating straightforward zirconia restorations on the same day.

To provide patients with dentures even quicker in a further step, the system can be expanded in the dental practice with the Ceramill DRS Production Kit at a later stage. This allows simple restorations to be fabricated in the practice and placed in the patient’s mouth in a single session.

DRS users benefit from a comprehensive range of training and services. Further information on the Ceramill DRS can be found here www.ceramill-drs.com

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Free online presentation on Ceramill DRS n a free online presentation, Amann Girrbach explains why the company places the dental laboratory at the centre of the prosthetic workflow and ensures the highest possible quality and patient satisfaction through close integration and digital exchange with the dentist. The full presentation is available free of charge at https://bit.ly/3gocZZM in various languages.

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March/April 2022

E E Y R F TR EN

REGISTER NOW adxbrisbane.org.au

27- 29 October 2022 Highlights include: • Opening Breakfast • Free childcare • Free business growth seminars • Latest technology & innovations

• Women in Dentistry Breakfast • Australian Dental Association Queensland professional CPD program

Brisbane Convention & Exhibition Centre @ausdental

See you at

#ADXexpo #ADXBrisbane

/ ADXexpo @adxexpo

AUSTRALIA’S PREMIER DENTAL EVENT

spectrum | NEWS

3Shape launches 3Shape Unite platform Connecting dental professionals, technology and services to create digital dentistry workflows that just flow!

3

Shape has launched 3Shape Unite – a new open platform that brings world-leading dental companies, solutions and labs together, enabling dentists to manage all their cases with choice and ease - from 3Shape TRIOS scan to treatment completion.

Included free with every TRIOS®, the Unite platform allows practitioners to enjoy the freedom to effortlessly manage and expand their digital dentistry via an ever-growing Unite Store app library.

“Fully integrated with the multiple award-winning TRIOS intraoral scanner, the Unite platform includes best in class workflow between the dental practice and over 1000 labs; and 50+ clear aligner providers...”

Fully integrated with the multiple award-winning TRIOS intraoral scanner, the Unite platform and apps deliver an intuitive user interface including a simplified lab order form with built-in chat and best in class workflow between the dental practice and over 1000 labs; integrations with 50 plus clear aligner providers and patient management systems and easy-access to patient images - making digital dentistry more straight-forward and accessible than ever.

“3Shape Unite is a tremendous launch for 3Shape! It brings to life our historic vision of giving dentists freedom and open options. It is digital dentistry united under one platform. From labs and treatment solution partners to managing patient care, 3Shape Unite creates workflows that just flow,” says Jakob Just-Bomholt, 3Shape CEO. “For dentists, 3Shape Unite simply and openly connects them to the right dental partners and makes digital dentistry easy, end-to-end.”

16 eLABORATE

In the true spirit of unity and openness, industry leaders Henry Schein, Ivoclar and the Straumann Group, have teamed up with 3Shape as Unite founding partners to launch the platform.

The partnership enables 3Shape Unite users to directly access with optimised integrations Henry Schein’s multiple Practice Management Software solutions, clear orthodontic aligners, implants and restorative solutions; Ivoclar’s dental applications for both dentists and dental

technicians; and the Straumann Group’s clear aligner, implant, prosthetic solutions and services.

For dental laboratories, 3Shape Unite provides a platform and directory for them to become more visible to dental practices, market their services with a profile they create and take advantage of an optimised order workflow with practices.

Professionals can access the 3Shape Unite platform from their laptop and TRIOS MOVE via a software update.

March/April 2022

Explore 1,000s of apps in the 3Shape Unite Store

All your digital dentistry opportunities at a glance Effortlessly expand your digital dentistry offering with 3Shape Unite Store apps for clear aligners, chairside solutions, design services and much more. Or simply work with your preferred lab with app-based efficiency.

Enjoy full integration between TRIOS and all partner apps, including an intuitive interface, simplified lab order form with built-in chat, accessible portfolio of patient imaging data and much more!

3Shape.com/Unite

spectrum | NEWS

Mill custom titanium abutments with the DGSHAPE DWX-42W

By Terry Whitty

Figures 1-3. Adaptors for various brands.

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M

Y

CM

MY

CY

CMY

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Figure 4. Milling NT Trading abutment.

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oday, dental implant treatment is a commonplace and an excellent routine solution for replacing missing teeth. Implant systems and components are under continual development but the sheer number of brands on the market and the amount of parts available to restore the prosthetic components catalogues can be overwhelming. So many brands of implants and so many parts available can lead to a potentially expensive minefield, especially when trying to match up components.

The implant abutment is an integral component of the overall prosthetic restoration and the use of stock abutments is commonplace, however it often does come with shortcomings.

The abutment itself must offer strength, stability and bio-compatibility and be able to fit the implant, support soft tissue and

18 eLABORATE

Figure 5. Milled abutment. allow access for a screw, if desired, amongst other important factors. Pre-manufactured stock abutments have traditionally been the choice, however with the advancement in local manufacturing options, more labs and clinicians are looking for custom-milled abutments.

Custom-milled titanium abutments offer many advantages such as: • They assist in achieving a passive fit; • The final restoration is manufactured to the exact gingiva contour, providing the optimal emergence profile with a smooth transition to the final restoration; • Angle correction of the implant is easier; and • Chairside adjustments are fewer and appointments can be smoother and faster, resulting in a more efficient dental clinic.

March/April 2022

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

Figure 6. Blank ready to mill and milled abutment.

Figure 7. Special milling tools.

Figure 8. DGSHAPE DWX-42W.

Figure 9. Milled Custom Abutment.

Custom abutments are an excellent treatment solution for the patient. They allow careful management of the soft tissues by creating a more desirable emergence profile, plus patients find oral hygiene maintenance easier when the gingival tissues are correctly contoured.

Dental implant treatment is regarded as a premium service and patients expect to receive implant restorations of a premium quality. Custom-milled titanium abutments ensure that implant-supported restorations are aesthetically pleasing and have excellent functionality. Clinicians that go from using stock abutments to custom abutments will often find improved implant treatment results.

The DGSHAPE DWX-42W wet mill is an incredibly adaptable machine for milling popular restoration applications that have the potential to grow your business and ultimately profit. Originally designed for milling glass ceramics and hybrid composites, it can now mill titanium custom abutments.

The new DGSHAPE AK-1 Abutment Kit that features selected equipment for use with your choice of the industry’s most popular attachments and pre-milled titanium blanks*.The AK-1 delivers an out-of-the-box solution with all the milling burs, filters and tools you need to set-up your DWX-42W for custom titanium abutments.

Four brands of holders are available for MEDENTIKA, NT TRADING, DESS and GEOMEDI. With a better fit and greater overall aesthetics, custom titanium abutments are fast becoming the standard choice for dental implant and lab businesses. The AK-1 Abutment Kit accessory for the DGSHAPE DWX-42W wet mill brings production of custom abutments in-house to make the process faster, more convenient and more cost-effective. A simple yet elegant solution that connects a DWX-42W mill with AK-1 attachments for custom abutment milling eliminates the need and cost of outsourcing and adds a popular and profitable new wet-milling application for new or existing DWX-42W owners.

20 eLABORATE

March/April 2022

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Laurie has been a member of the ADA Infection Control Committee since 1998. He has contributed to various protocols, guidelines and checklists and manuals used in Australia.

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READ ME FOR

CPD

The new Dentaurum hyrax® neo

By Terry Whitty

Figure 1. Walter Coffin’s removable expander with piano wire.

T

hree maxillary expansion modalities exist today: Rapid Maxillary Expansion; Slow Maxillary Expansion; and Surgically Assisted Expansion. Dr John Mew, an English dentist and an advocate of “orthotrophics”, argued semi-rapid expansion is also a valid treatment as well, so this would sit in between Rapid and Slow. All of these modalities have their advantages and disadvantages and also their fair share of controversy. However, commonly, the practitioner will select the treatment based on experience, the patient’s age and the type of malocclusion. Slow expansion has been attributed to Walter Coffin and a removable device was described by him in 1877 using a piece of piano wire in a vulcanite plate (Figure 2).

Rapid Maxillary Expansion was first described by Emerson Angell in 1860 and later made popular by Haas. Originally it was used to reduce the narrowness of the maxilla but in fact, it has an effect on 10 bones of the face and head. Users of this technique believe that minimum dental movement, or tipping, is involved and most of the movement is skeletal.

Figure 2. Angell’s rapid expansion device.

When heavy, rapid forces are transferred to the posterior teeth in the correct way, the forces are transferred to the sutures. When this force is beyond that needed for tooth movement and sutural separation, the sites will open up and the teeth will only move minimally within the supporting bone. There is compression of the periodontal ligament, slight bending of the alveolar bone and tipping of anchor teeth before separation of the mid-palatal sutures and separation of the other maxillary sutures.

How fast this should occur again is in debate with some cautioning 1mm per week is the maximum, whereas others will take the more aggressive approach.

Appliances for rapid expansion are generally threefold: the HYRAX appliance, the Bonded RME and the HAAS appliance.

The hyrax® is actually a trademark of the Dentaurum company of Germany and an anagram for HYgenic RApid eXpander. Of course, many companies have copied the device over the years and the word is used generically for any fixed skeletenised appliance connected to two or 4 bands.

32 eLABORATE

READ THE ARTICLES AND ANSWER THE QUESTIONS ONLINE

a. Walter Box b. Walter Casket c. Walter Mitty d. Walter Coffin Question 2. The first description of Rapid Expansion was by: a. Emerson Angell b. Lake Angell c. Palmer Angell d. Edward Angel Question 3. The HAAS expander consists of: a. A removable device with Adams clasps and midline screw. b. A fixed appliance attached to orthodontic bands and a large acrylic button with a midline screw. c. A wire “W” framework attached to bands. d. A piston screw device for a single tooth.

Question 4. The average correct rate a Rapad Maxillary Expansion Device should be adjusted is: a. 2mm a week b. 1 mm a week c. 5 mm a week d. Still in debate Question 5. The hyrax neo screw: a. Has a lower profile than its predecessor b. Can wind in 4 directions c. Has a maximum expansion of 2mm d. Is only used in surgical cases

Complete restoration made with the new Prettau® 3 Dispersive® zirconia on anodised titanium bars 100% digitally designed Made by DT Alexander Lichtmannegger, Zirkonzahn Education Center Brunico, Italy

Figure 1. The tooth set-up using tooth anatomies from the Heroes Collection virtual rooted tooth library integrated in the software.

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eeth are a mirror of a person’s life and individual lifestyle. Thanks to the new Prettau 3 Dispersive zirconia with Gradual-Triplex Technology - a triple gradient of natural colour, translucency and flexural strength - it is now possible to create accurate and individual restorations matching the patient’s functional and aesthetic requirements.

For this case, my working protocol started with a digital acquisition of the oral situation with the Face Hunter 3D facial scanner and PlaneSystem®. The PlaneSystem is an innovative working method developed by MDT Udo Plaster in collaboration with Zirkonzahn that permits the registration and transfer of patient

data 1:1 into the digital world with no loss of information. In this way, it is possible to create accurate and individual restorations matching the patient’s functional and aesthetic requirements.

For the tooth set-up, I used the Zirkonzahn.Modifier software, new add-on software specifically conceived for the fast creation of set-ups and prostheses, selecting the most appropriate tooth anatomies from the Heroes Collection virtual rooted tooth library integrated in it. After adapting tooth shapes to the patient’s physiognomy, I imported the planned restorations in the design software (Zirkonzahn.Modellier) as situ-scans, in order to design the titanium bars. Then, I milled, digitised the bars and adapted the planned maxillary and mandibular zirconia restorations on them.

36 eLABORATE

March/April 2022

Question 1. The first known removable appliance using piano wire is attributed to:

READ ME FOR CPD

March/April 2022

Question 6. Prettau Dispersive uses: a. Gradual Triptronic Technology b. Gradual Triplex Technology c. Gradual Tri Technology d. Gradual Trendy Technology Question 7. For the tooth setup, the software used was: a. Microsoft Word b. Director c. Modifier d. Tribeworks Question 8. Prettau Dispersive does not normally need any additional layering because: a. All people want white teeth b. The only shade is A3 c. Internal colour staining of the zirconia exists d. It does not take ceramic buildup well Question 9. In this case, additional stains were added called Zirkonahan: a. Apex b. Aquarell c. Acme d. Argent Question 10. The ceramic used later in the case was: a. Al Fresco b. Frisco c. Frometo d. Fresco

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

To participate, log in to the Dental Community website at www.dentalcommunity.com.au and click on the CPD Questionnaires link; select the eLABORATE Mar/Apr 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.

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cad | CAM

3D printing with speed UNIZ NBEE

By Terry Whitty

Figure 1. UNIZ NBEE 3D Printer.

I

t’s rare that I get to review a product that has the potential to really revolutionise dentistry and dental technology but in this article, I get to do exactly that.

This product is such a game changer/disruptor/curve ball/outsider and more that I don’t have any problem using these corny overused descriptors because it’s absolutely true and then some.

It’s nothing new that 3D printing has made a huge impact on dentistry in the last few years and the companies making machines at the high end are all very capable indeed. Materials are being developed in a frenzy as all manufacturers know that their material could be the “next big thing” which translates into big dollars.

Unfortunately, we’re only seeing a trickle of new materials come to market because the bottleneck is red tape - the testing and required certifications needed to allow these materials to be used safely - especially in the mouth for long periods of time - is onerous. It’s a fair thing too. There would be nothing worse than a recall on a 3D printed material used in the mouth because it’s hazardous to the patient. So we wait for better materials to come to market and with time, this will happen.

Speaking of time, a lot of people I discuss 3D printing with are obsessed with how long things take to print. I must admit, about 12 years ago, I bought my first Stratasys 3D printer and it was taking over 4 hours to print a model. The quality was average by today’s standards but that was the state-of-the-art at the time.

26 eLABORATE

Figure 2. MSLA Basic setup: Light source, LCD screen mask, resin tank and build platform.

Today, getting an average-sized model from a printer in under an hour would be about the norm; some machines may do it slightly faster, some slower, but within the hour is acceptable.

So let me now introduce you to the new UNIZ NBEE 3D printer that, at the time of publication, is truly “the world’s fastest Dental 3D printer”. I do not put that moniker on this machine lightly. In fact, when I first heard of the machine, I thought that its claims were a load of bunk. How wrong I was as this printer has even surpassed the claims made by the manufacturer.

March/April 2022

cad | CAM

Figure 4. LCD liquid cooling system.

Figure 3. Collimated light source from NBEE.

Figure 5. The very important actuator that allows the speed of raising and lowering the build platform to be controlled.

Figure 6. Resin tank heating.

The UNIZ NBEE happily prints SIX models in FIVE minutes!

And you can go to YouTube™ and watch a video of the printer doing exactly that. Now let’s qualify and quantify this demonstration. The models are in 100 micron layers and are fairly short in height, however the printer does print 6 models in 5 minutes!

How is this done and what are the secrets behind this amazing breakthrough in speed 3D printing? Read on...

Firstly, the NBEE printer, like most modern dental printers, uses a resin tank of light cured liquid polymer and builds up a model or appliance in layers. As each successive layer or “slice” is cured, it is added to the previous layer. It is a Masked Stereo Lithography printer or MSLA for short (Figure 2). It uses a monochrome LCD screen to mask an ultraviolet light source from underneath that creates the pattern for the layers as they are cured. Monochrome LCD screens resist heat far better than colour screens and hence will be more reliable given there is an abundance of heat generated during the curing process of light cured resins.

March/April 2022

Figure 7. Cross section of actuator, build platform and resin tank.

eLABORATE

27

cad | CAM Above this is a tank where the polymer resides and it is connected to a resin heating mechanism and monitoring system so the polymer can be cured at the optimal temperature. In addition, a very special patented film technology is built in that reduces the force created when the polymer is curing. This is very important as the forces created here will often tear the printed object partially away from the build platform unless the force can be exactly controlled. Who as an experienced user has not come back to see a build job finished and half of it is in the resin tank!

So this is why it happens - the printed part has “stuck” to the build tray film! With this new technology this force is now kept to an absolute minimum.

The light source is very important and in the case of the NBEE printer, it uses a technology called collimated light which is a beam of light that has parallel rays and therefore will spread minimally as it propagates. A perfectly collimated light beam, with no divergence, would not disperse with distance. What this means is you will get an even spread and intensity of the light through the LCD screen onto the photo polymers. In this way, the same intensity of light is received at the edges as in the middle - a very important factor as some light sources really are uneven and give inaccurate results when curing photo polymers. I’d love to tell you how exactly they do it but there are some IP and trade secrets that can’t be discussed, suffice to say it’s a very efficient system.

Next comes the really efficient mechanism that allows the build platform to move up and down with great speed and precision. Most 3D printers use a ball screw mechanism actuator which is quite accurate and efficient for most situations but when speed is needed and to go to the next level, UNIZ have decided to go with a mechanism called a more sophisticated actuator which allows a massive speed increase over a ball screw. The build platform is able to move up and down - in and out of the resin - with amazing speed and accuracy.

As mentioned previously, when curing photopolymers, a massive amount of heat is generated and this causes all sorts of issues such as part damage, distortion to the polymer and print failures to name a few. It’s very important to manage this

28 eLABORATE

Figure 8. Imported intraoral scan.

Figure 9. A couple of clicks and you have a based model ready to print.

Figure 10. Hollow model mode. heat and most companies use cooling fans to help dissipate it. With the UNIZ NBEE, under the hood is a sophisticated two fold liquid cooling system. One cools the columnated light system - as this also

gets hot - and the other cooling system cools down the curing polymer right at the polymerisation interface. This makes it an incredibly efficient system and avoids the many problems of overheating.

March/April 2022

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knowledge and aayour vast network of experience on offer at your service. want to business into aa more dynamic organisation, the has skills, knowledge and vast network of experience at your service.

No whether you are starting out ason student, need advice with a business startup or or No matter matter whether you arejust just starting out asa aoffer student, need advice with a diverse business startup want to expand expand your business into more dynamic organisation, the ADTA ADTA has diverse skills, knowledge and a vast network of experience on offer at your service. knowledge and a vast network of experience on offer at your service. want expand aamore organisation, the ADTA has diverse skills, knowledge and ayour vastbusiness networkinto of experience on offer at your service. wantto to expand your business into moredynamic dynamic organisation, the ADTA has diverse skills, TGA Guidance knowledge and a vast network of experience on offer at your service.

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TGA Guidance The ADTA has strong representation within the TGA's Dental Sector Working Group (DSWG) and TGA Guidance TGA Guidance The ADTA has strong representation within the Dental Sector TGA Guidance is well equipped to guide members through theTGA's process when listingWorking devices Group on the(DSWG) ARTG. and The ADTA has strong representation within the TGA's Dental Sector Working Group (DSWG) and The ADTA has strong representation within the TGA's Dental Sector Working Group (DSWG) and is well equipped to guide members through the process when listing devices on the ARTG. TGA Guidance The ADTA has strong representation within the TGA's Dental Sector Working Group (DSWG) and Members will be kept up to date with pertinent information.

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The ADTA has strong representation within the TGA's Dental Sector Working Group (DSWG) and is well equipped to guide members through the process when listing devices on the ARTG. The ADTAwill hasbe strong representation within theinformation.

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cad | CAM Of course, the new resin UNIZ supplies with the machine to achieve high speed has been specially formulated and even though the printer will print various other brands of resins, you will need to be careful and adjust your settings correctly to match the resin you wish to print. Will you get the same high speed printing ? Perhaps, but keep an eye on your shrinkage factors as often resins are designed to be cured for a certain amount of time and if you cannot achieve this, your results may be less than optimal. To be safe, just use the UNIZ resins and it will give you the best results.

No printer is complete without a decent software package and of course UNIZ have developed a brand new software program called UNIZ DENTAL. It’s been com-

Figure 11. Vertical auto alignment.

“You could take an intraoral scan of the patient and in just a few short minutes you can print a solid plastic model that needs very little post processing...” pletely rewritten and will not leave anyone disappointed. The features it incorporates are actually quite amazing. Firstly it will turn an intraoral scan into a print ready model in about 15 seconds - this is really amazing as before you would have had to use a 3rd party software program and do a lot of mucking about to achieve this... but those days are over. Oh and if you wish to add a label, that’s a piece of cake too.

Want to print hollow models, no problem - it will convert to hollow models at any thickness you dial in. Automatic placement is available of course in both vertical and horizontal modes, auto repair of files, hole filling, support generation and editing, super fast slicing and 2D and 3D slice inspection at the same time is also available.

The UNIZ NBEE is a free standing compact unit and all calibration and functions can be access by the full colour 7 inch LCD touch screen. It has WIFI and Ethernet connectivity or you can use a USB stick for data transfer. You can print anything you want on this printer- models, surgical guides, splints, dentures, crowns and bridges - you name it and it does everything

30 eLABORATE

Figure 12. Horizontal alignment.

Figure 13. Auto slicing in 2D and 3D views simultaneously. and it’s built for speed, faster than anything you have seen thus far guaranteed.

As far as a game changer, yes it is and in a final example, I will leave you with this: You could take an intraoral scan of

the patient and in just a few short minutes you can print a solid plastic model that needs very little post processing, less than 30 seconds - just imagine what you could do with that.

March/April 2022

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orthodontic | TECHNIQUES

READ ME FOR

CPD

The new Dentaurum hyrax® neo

By Terry Whitty

Figure 1. Walter Coffin’s removable expander with piano wire.

T

hree maxillary expansion modalities exist today: Rapid Maxillary Expansion; Slow Maxillary Expansion; and Surgically Assisted Expansion. Dr John Mew, an English dentist and an advocate of “orthotrophics”, argued semi-rapid expansion is also a valid treatment as well, so this would sit in between Rapid and Slow. All of these modalities have their advantages and disadvantages and also their fair share of controversy. However, commonly, the practitioner will select the treatment based on experience, the patient’s age and the type of malocclusion. Slow expansion has been attributed to Walter Coffin and a removable device was described by him in 1877 using a piece of piano wire in a vulcanite plate (Figure 2).

Rapid Maxillary Expansion was first described by Emerson Angell in 1860 and later made popular by Haas. Originally it was used to reduce the narrowness of the maxilla but in fact, it has an effect on 10 bones of the face and head. Users of this technique believe that minimum dental movement, or tipping, is involved and most of the movement is skeletal.

32 eLABORATE

Figure 2. Angell’s rapid expansion device.

When heavy, rapid forces are transferred to the posterior teeth in the correct way, the forces are transferred to the sutures. When this force is beyond that needed for tooth movement and sutural separation, the sites will open up and the teeth will only move minimally within the supporting bone. There is compression of the periodontal ligament, slight bending of the alveolar bone and tipping of anchor teeth before separation of the mid-palatal sutures and separation of the other maxillary sutures.

How fast this should occur again is in debate with some cautioning 1mm per week is the maximum, whereas others will take the more aggressive approach.

Appliances for rapid expansion are generally threefold: the HYRAX appliance, the Bonded RME and the HAAS appliance.

The hyrax® is actually a trademark of the Dentaurum company of Germany and an anagram for HYgenic RApid eXpander. Of course, many companies have copied the device over the years and the word is used generically for any fixed skeletenised appliance connected to two or 4 bands.

March/April 2022

orthodontic | TECHNIQUES

Figure 3. HAAS appliance.

Figure 4. hyrax® appliance with 4 bands.

Figure 5. hyrax® appliance with 2 bands.

Figure 6. Laser-welded framework for bonded hyrax®.

Figure 7. Acrylic pads added to bonded hyrax® framework.

Figure 8. Dentaurum Variety Screw low profile expansion screw.

Recently, Dentaurum have introduced the new hyrax® neo expansion screw which is a completely redesigned screw that has a low profile but allows expansion of 7,10 and 12 mm.

New features include: • Small dimensions with maximum expansion; • Solder-free;

• Break resistant retention legs and stable guidance throughout complete expansion; • Offset body for earliest possible angling of the retention legs; • Integrated spindle friction to prevent unwanted reversing; and • Permanent laser marked arrow on the body of the screw indicates the opening direction and maximum expansion.

March/April 2022

eLABORATE

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orthodontic | TECHNIQUES

Figures 9 and 10. Dentaurum hyrax® neo.

The new Dentaurum neo screw has many advantages over similar products and is ideally suited for all construction methods but especially for the laser welding technique.

About the author

Figure 11. hyrax® neo comparison with standard hyrax®.

Terence Whitty is a well-known dental technology key opinion leader and lectures nationally and internationally on a variety of dental technology and material science subjects. He is the founder and owner of Fabdent, a busy dental laboratory in Sydney specialising in high tech manufacturing. Using the latest advances in intra- and extra-oral scanning, CAD/CAM, milling, grinding and 3D printing, most specialties are covered including ortho, fixed and removable prosthetics, computerised implant planning and guidance, TMD, sleep appliances and paediatrics.

Figures 12 and 13. Dentaurum hyrax® neo on 3D printed model.

34 eLABORATE

March/April 2022

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cad | CAM

READ ME FOR CPD

Complete restoration made with the new Prettau® 3 Dispersive® zirconia on anodised titanium bars 100% digitally designed Made by DT Alexander Lichtmannegger, Zirkonzahn Education Center Brunico, Italy

Figure 1. The tooth set-up using tooth anatomies from the Heroes Collection virtual rooted tooth library integrated in the software.

T

eeth are a mirror of a person’s life and individual lifestyle. Thanks to the new Prettau 3 Dispersive zirconia with Gradual-Triplex Technology - a triple gradient of natural colour, translucency and flexural strength - it is now possible to create accurate and individual restorations matching the patient’s functional and aesthetic requirements.

For this case, my working protocol started with a digital acquisition of the oral situation with the Face Hunter 3D facial scanner and PlaneSystem®. The PlaneSystem is an innovative working method developed by MDT Udo Plaster in collaboration with Zirkonzahn that permits the registration and transfer of patient

36 eLABORATE

data 1:1 into the digital world with no loss of information. In this way, it is possible to create accurate and individual restorations matching the patient’s functional and aesthetic requirements.

For the tooth set-up, I used the Zirkonzahn.Modifier software, new add-on software specifically conceived for the fast creation of set-ups and prostheses, selecting the most appropriate tooth anatomies from the Heroes Collection virtual rooted tooth library integrated in it. After adapting tooth shapes to the patient’s physiognomy, I imported the planned restorations in the design software (Zirkonzahn.Modellier) as situ-scans, in order to design the titanium bars. Then, I milled, digitised the bars and adapted the planned maxillary and mandibular zirconia restorations on them.

March/April 2022

Figures 2-3. Prettau 3 Dispersive with Gradual-Triplex-Technology permits aligning the incisal aspects in the highly translucent blank areas in the nesting software.

When the design was ready, I imported the files into the nesting software, which simulates a milling path and calculates a milling strategy according to the selected material blank. I selected the precise material and colour using the Zirkonzahn Shade Guides Prettau Line: These are special shade guides composed of monolithic zirconia sample teeth available for all the different Prettau Dispersive zirconia typologies in the shape of a premolar as well as upper and lower incisor. For this case, I decided to use Prettau 3 Dispersive zirconia. This material, produced with GradualTriplex Technology, is already provided during the manufacturing process with natural colour, translucency and flexural strength gradients. These characteristics make Prettau 3 Dispersive

March/April 2022

particularly indicated for monolithic restorations. The visualisation of the colour gradient in the software is also very helpful for positioning the restorations properly in the material blank: I aligned the incisal aspect in the highly translucent blank area, then I started the milling process.

Thanks to the colour shading, Prettau 3 Dispersive does not necessarily require further colouring or layering. However, it is possible to intensify the colours using material-specific Colour Liquids. I personally like the artistic aspect of my job which is why I decided to manually carry out a minimal cutback on the anterior region of the maxillary restoration, in order to characterise the structure with a slight ceramic layering.

eLABORATE

37

cad | CAM

Figures 4-5. Prettau 3 Dispersive, already provided with a natural colour gradient during the manufacturing process, doesn’t necessarily require further colouring or layering. However, it is possible to intensify the colours using material-specific Colour Liquids.

Figures 6-7. The application of Fresco Gingiva and Fresco Enamel on the gingival region and vestibular tooth area before the firing process. In order to apply a minimal aesthetic layering on non-functional areas, a minimal cutback was carried out in the anterior region of the upper jaw; the lower jaw was layered in the gingival area only.

Figure 8. The anodised bar cemented to the upper restoration.

Figure 10. Comparison of the final restoration with the Zirkonzahn Shade Guide for Prettau 3 Dispersive, used in the beginning for ideal material and colour selection; the restoration totally matched the initially selected colour!

38 eLABORATE

Figure 9. The final restoration in situ.

I then applied the Colour Liquid Prettau Aquarell intensive colours and sintered the structures at 1500°C. Afterwards, I glazed and stained. At this point, I dedicated on ceramic layering of the upper and lower gingival areas (0.4-0.5 mm) as well as in the nonfunctional areas of the maxillary anterior. For this purpose, I used material-specific ceramics (Fresco Gingiva and Fresco Enamel) and with firing at 760°C. After a slight polishing, I anodised the bars in a golden colour and cemented them to the secondary structures. I then compared the final colour of the restoration with the Zirkonzahn Shade Guide for Prettau 3 Dispersive used in the beginning: the restoration totally matched the initially selected colour”.

For more info and to see more case galleries using Prettau 3 Dispersive zirconia with Gradual-Triplex Technology visit www.zirkonzahn.com.

March/April 2022

CASE GALLERY

New Prettau® 3 Dispersive® zirconia with Gradual-Triplex-Technology: the high-quality zirconia is already provided with colour, tanslucency and flexural strength gradients during the production process. This ensures a natural colouring, a highly translucent incisal edge and an extremely high flexural strength at the tooth neck.

NEW! PRETTAU® 3 DISPERSIVE® ZIRCONIA ON ANODISED TITANIUM BAR The new Zirkonzahn Shade Guide ensures optimal material and colour selection: the monolithic Prettau® Dispersive® sample teeth are available in the shape of an upper incisor (1), also with minimal cutback (2), a lower incisor (3) and a premolar (4),

(2)

(3)

(1) (4)

Zirkonzahn Worldwide – T +39 0474 066 680 – info@zirkonzahn.com – www.zirkonzahn.com

thermoforming | TECHNIQUES

The Playsafe Triple and Flex Heavy-pro

By Peter Herring, Adv Dip Dent Tech, ACCDP

T

he Playsafe Triple and Playsafe Triple-light along with the corresponding materials is the first individual sports mouthguard system that has been tested according to the EU regulation for personal protective equipment 2016/425 Annex II and can therefore be CE marked.

This gives athletes the security of having a tested product that they can rely on and provides the best possible protection. The prerequisite for CE marking is the production is carried out according to the manufacturing method specified

by Erkodent.

The previous Playsafe types light, medium, light-pro and heavy-pro are not included in this certificate and are now renamed “Flex” to comply with the EU regulation.

The Playsafe Triple has the benefits of faster production, certification and a reduced bulk for the wearer whilst still continuing the Heavy-pro heritage of supplying protection from impacts of the highest level.

Weight and Volume Playsafe Triple

Flex Heavy-pro

Weight

8.8 gms

13.0 gms

Volume

4.3 ml

7.4 ml

Incisal thickness @ tooth 21 2.8mm

3.5mm

Results: The Playsafe Triple is 32% lighter and has 41% less volume than the FlexHeavy-pro.

40 eLABORATE

Playsafe Triple

Flex Heavy-pro

Structure: A single pre-laminated foil.

5.5mm thickness, 1st layer (tissue side) 3.0 mm Erkoflex soft, 2nd (hard layer) 1.0mm COC (cyclo-olefin-copolymer), 3rd layer (occlusal) 1.5mm Erkoflex soft.

Occlusion: Added during thermoforming by re-distributing the still plastic material.

This automatically adds a buccal shield, anterior platform and a flat occlusal surface.

Structure: 3 foils, total thickness 6.8mm laminated one after another. 1st layer (tissue side) 2.0mm Erkoflex soft, 2nd layer (hard) 0.8mm Erkodur-S, 3rd layer (occlusal) 4.0mm Erkoflex soft.

Occlusion: The buccal shield and articulating surface can be created post thermoforming or added at the time of thermoforming as per the Triple technique

Deformation

Energy Distribution and Absorption

Playsafe Triple

Flex Heavy-pro

Pendulum weight 1.5 Nm (637 g)

Playsafe Triple

Flex Heavy-pro

Deformation 1.25mm

57 N

Deformation 2.0mm

85 N

56 N

Deformation at tooth 21*

29.7 mm

38.4 mm

86 N

Deformation at tooth 26*

27.0 mm

27.6 mm

Results: The Playsafe Triple and the Flex Heavy-pro have almost identical measures of resistance to deformation.

Results: The Playsafe Triple has 22% less deformation in the critical anterior area than the Flex.

March/April 2022

thermoforming | TECHNIQUES

The graphs above display the differences in the specification and properties of the two mouthguards.

The Playsafe Triple has significantly less weight and volume than the Flex Heavy-pro while still maintaining the same level of protective potential and in some areas exceeding it. This highlights the usefulness of quantifying the comparative performance of mouthguards and in this case has allowed Erkodent to benchmark and develop a smaller, lighter yet equally protective mouthguard.

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.

Protection at the highest level

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

March/April 2022

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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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