eLABORATE March/April 2021

Ivotion

VOL.18 NO.2

MARCH/APRIL 2021

One disc.

One milling process. One denture.

Ivoclar Vivadent introduces a new Programat generation enhanced with smart features

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

VOLUME 18 | NUMBER 2 MARCH/APRIL 2021

eLABORATE | CONTENTS

On the cover...

Modern, intuitive, smart: Ivoclar Vivadent’s new Programat series impresses with a host of refinements

24 34

CAD/CAM

6 BRIEFS 8 SPECTRUM 20 CPD CENTRE 42 NEW PRODUCTS

facebook.com/elaboratenow

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

30

CERAMICS

REPRODUCING PATIENT-SPECIFIC NATURAL VIBRANCE WITH VITA LUMEX AC VENEERING CERAMIC

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CERAMICS

AESTHETIC HARMONY WITH IPS E.MAX® ZIRCAD PRIME

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CAD/CAM

MODEL PRINTING AT TOP SPEED: V-PRINT MODEL FAST FROM VOCO

40

THERMOFORMING

CRYSTAL CLEAR ALIGNERS FROM ERKODUR-AL

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 © 2021 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 Now we’re set...

Zirconia with Gradual-Triplex Technology

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ince my last column, we took the decision to move the Digital Dentistry and Dental Technology event back to its original dates of

By Joseph Allbeury September 10-11, 2021. It remains at the Novotel Sydney Brighton Beach.

We had originally chosen the dates in May because the FDI World Dental Congress was being staged in Sydney in September and we didn’t want the events to clash. However, once FDI moved to a purely virtual event, it cleared the way to move the event back to our preferred window.

And of course there were other reasons too.

COVID-19 regulations restricting venues to one person per two square metres was an issue for staging the event in its traditional format in May, so moving the event back alleviated that major problem. And more people will be vaccinated by September, mitigating the risk of COVID-19 in the community... and the chance of snap lock downs.

And apart from that, moving the event back is allowing us more time to create an amazing programme more akin to the experiences of 2018 and 2019.

The 2019 event offered delegates a choice of 8 concurrent streams over the two days, with some 110 education sessions presented by 50+ speakers. This is somewhat daunting to organise, of course and requires time to prepare. Coming off the Christmas lockdown at the end of 2020 and through the New Year break, we had lost the required momentum.

Now that we’re set for September 10-11, it’s full steam ahead and the event is coming together at apace. The 2021 event was always going to be different to previous... and future events... notably because international speakers will not be accessible. In keeping with tradition, however, Digital Dentistry and Dental Technology 2021 will feature a stellar line-up of talent drawn from the coalface of digital dental clinics and laboratories in Australia–Real solutions presented by real people with unprecedented access to the information you need to transition from analogue to digital and then take your work to the next level.

Given this is the third instalment of Digital Dentistry and Dental Technology, we’re also endeavouring to include both introductory and more advanced sessions to offer something for everyone. The hands-on sessions that were a hit in 2019 will also be back... plus the usual sessions on scanning and digital impressions, milling, 3D printing, CBCT and software with digital workflows for crown and bridge, implants, orthodontics and more.

Having said all of that, I will finally say thank you for your patience to everyone who has registered for the event.

Know that we are working to provide the best event possible for September 10-11 and we look forward to seeing you all there. And if you are yet to register, you can still SAVE 25% so don’t delay! Full details are available at www.dentaltechnology.com.au.

Stay safe and have a successful 2021.

Joseph Allbeury, Editor and Publisher

6 eLABORATE

Figure 1. Prettau 3 Dispersive with Gradual-Triplex-Technology from Zirkonzahn features a triple gradient of natural colour, flexural strength and translucency. rettau® Dispersive® zirconia materials - Provided by the South Tyrolean company Zirkonzahn - are already provided with a gentle and natural colour shading during the manufacturing process thanks to a smooth, dispersive shade transition.

With Gradual-Triplex-Technology, a triple gradient for the new Prettau® 3 Dispersive® zirconia has been developed: indeed, in addition to the smooth colouring gradient, also translucency and flexural strength levels change. Whereas the incisally increasing translucency results in a highly translucent incisal edge, the cervically increasing flexural strength results in an extremely high flexural strength at the tooth neck. Accordingly, Prettau 3 Dispersive can be used for all kinds of zirconia restorations, although it is particularly suitable for monolithic rehabilitations. For a final prosthesis with that colour matches with the patient’s natural tooth, a special shade guide is available.

Zirkonzahn Shade Guide Prettau Line is composed of monolithic zirconia sample teeth and exist in the shape of a premolar as well as upper and lower incisors (also with minimal cutback for individual characterisation). If the material of the shade guide used and the material of the zirconia crown are identical, the colour of the zirconia restoration corresponds 1:1 with the natural tooth colour of the patient.

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For more information, visit http://www.zirkonzahn.com or contact info@zirkonzahn.com

March/April 2021

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spectrum | NEWS

Ivoclar Vivadent introduces a new Programat generation

F

or over 40 years, Ivoclar Vivadent has been at the forefront of continuous innovations in the field of dental furnaces and is a global market leader in this segment. Now, the success story grows with the launch of the second generation of the current Programat series - offering the next level of modern, intuitive and smart furnace design. To mark the launch of the upcoming new generation, the company offers an additional extra for the first 100 pre-orders.

Ivoclar Vivadent is one of the world’s leading suppliers of integrated solutions for high-quality dental applications, offering a comprehensive range of products and systems for dentists and dental technicians. Now, the company is once again demonstrating its innovative strength with the launch of the new generation of Programat ceramic and press furnaces, presenting well-designed solutions that not only optimise proven features, such as the infrared technology (IRT), fully automated press function (FPF) and digital shade assistant (DSA), but also impress with new software enhancements and smart features to make everyday work in the dental laboratory more efficient.

Modern, intuitive, smart: New Programat series impresses with a host of refinements he new generation of Programat press and ceramic furnaces has been provided with a modernised look and offers more comfort in the day-to-day work of dental labs than ever before. A new colour and design concept helps the new Programat generation blend harmoniously into today’s laboratory surroundings. In addition, the cooling tray has been optimised to provide more space and better cooling of marginal areas. With its new membrane-sealed keypad and customary colour touchscreen display, the operating panel ensures fast and easy operation of

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the furnace. The graphical user interface (GUI) has been adapted and enhanced to match the preferences of customers and ensure even greater ease of use in everyday applications. New symbols and clear icons enable not only straightforward and intuitive operation but also facilitate the handling of the furnace and increase the efficiency of the work process.

Designed to do more than “just” fire: Programat with IoT connectivity he second generation Programat series is designed to do far more than press and fire. They function as a smart dental assistant for dental technicians, similar to their predecessor. What is more, the new Programat furnaces offer additional benefits due to their IoT connectivity (Internet of Things). Users can register their device on the Ivoclar Vivadent customer portal and subscribe to a free “report” to receive monthly usage summary information on their furnace. This will allow them to optimise, for instance, the uptime and operation of their furnace in the dental laboratory. In addition, the report provides information about potential sources

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of error and facilitates maintenance and repair operations, enhancing the process reliability of the furnace in the laboratory.

Pre-order offer available for those who act quickly he furnaces of the new Programat generation are currently available to pre-order for delivery as of June 2021. The first 100 pre-orders will receive a bonus high-performance vacuum pump free of charge. This will be a VP3 pump for the P310 G2 model and a VP5 pump for all the other second-generation models. All the vacuum pumps are especially designed for the Ivoclar Vivadent press and ceramic furnaces, offering high pump capacity, modern design and quiet operation.

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Variants of the new series he Programat ceramic furnaces are smart specialists for high-quality firing results and they will be available in three versions: P710 G2, P510 G2 and P310 G2. The Programat press furnaces are reliable partners for smart pressing operations and they will be offered in two versions: EP 5010 G2 and EP 3010 G2.

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March/April 2021

spectrum | NEWS

Amann Girrbach presents gateways to the future at virtual congress

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igitisation is the key topic of the future for the dental industry.

No doubt this necessitates change, but it also offers lucrative opportunities. Amann Girrbach will be showcasing how these opportunities can be easily exploited from April 20 to 24 in the innovative AG.Live CON virtual congress. Renowned dental technicians and clinicians will meet with leading minds in research to explore the attractive avenues into advanced digitization. Amann Girrbach will not be participating to the usual extent at the International Dental Show IDS in Cologne in 2021, which has been postponed to September.

10 eLABORATE

For many years now, Amann Girrbach has been supporting dental technicians in the digitisation of their workflows with its innovative power. Stemming from its pioneering role, the Austrian company also supports laboratories and clinicians in taking the next step towards digital transformation. The trend is evidently clear: the demand for direct straightforward restorations is growing exponentially.

This threatens to break down established structures and traditional boundaries between the laboratory and the clinician.

However, digitisation is ideally suited to expand the win-win situation of dental technicians and clinicians through new forms of collaboration. And the wellbeing of the patient always remains the focus.

To provide optimal networking for both sides, Amann Girrbach has developed the AG.Live platform, which is now being presented as part of the virtual congress and expo. AG.Live provides infrastructure and patient case management with a level of consistency and efficiency which has never been achieved before. For example, this will make it possible to offer laboratory-quality direct restorations. And the expertise of the dental technician is permanently available to the dentist. Even in the case of simple restorations, a joint decision can be made quickly as to whether direct implementation is possible or whether the specialist in the laboratory is required.

For info and registration for the virtual congress, visit show.aglivecon.digital

March/April 2021

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More More Than Than 70 70 Connections Connections

Titanium Titanium Base Base ASC ASC Flex Flex The original from Medentika® The original from Medentika®

spectrum | NEWS

IvoSmile App helps dentists and labs to envision a patient’s new smile together

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ugmented reality makes it possible: The IvoSmile app from Ivoclar Vivadent enables immediate 3D real-time visualisation of aesthetic dental treatments for the first time. The new, optimised version of the app now allows complete CAD integration into 3Shape Dental System software.

Up until now, the IvoSmile software application has been particularly popular for patient consultations conducted by dentists. It helps dentists to generate leads and contributes towards increased treatment acceptance. Its functions have now been greatly expanded. From now on, dental practices and dental laboratories will be linked by comprehensive CAD integration. This means that Ivoclar Vivadent has now solved another problem often experienced by dentists: communication issues with the laboratory.

Increase treatment acceptance voSmile is an innovative app that enables dental professionals to show their patients aesthetic treatment options in just a few minutes and without obligation. Through augmented reality, the iPad or iPhone becomes a virtual mirror. The patient sees themselves with a new smile during the consultation itself. Using a virtual representation of a possible aesthetic treatment allows the treatment goal to be communicated more easily and made more comprehensible for the patient.

IvoSmile is a convincing consultation tool that involves the patient, evokes an emotional response and significantly increases acceptance of a treatment.

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CAD integration into the 3Shape Dental System hanks to the new IvoSmile Add-on for the 3Shape Dental System, full CAD integration is now possible with the new version of the app. Through the interface, IvoSmile data can be easily sent to the laboratory, with the lab then able to send the

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design data back to the practice via Dental System. This allows treatment proposals to be impressively presented to the patient and effectively coordinated between the laboratory and dentist. This simplifies and improves communication between practice and laboratory and helps dentists and dental technicians to jointly develop a patient’s new smile.

“I have always been a great fan of the powerful patient engagement enabled by the innovative and unique Augmented Reality engine of IvoSmile,” said Rune Fisker, Vice President for Product Strategy, 3Shape. “With the new version of IvoSmile, together with the IvoSmile add-on for 3Shape Dental System software, we can now exactly replicate the visualised smile by a full integration into the lab’s digital CAD/CAM process. The data is not only imported from IvoSmile into our Dental System, but also imported back from the laboratory into IvoSmile”

Envision a new smile together he patient not only sees himself with the treatment proposal from a tooth library but can virtually test the designed restoration provided by the laboratory in

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3D and in real time. Thus, the dentist can increase the quality of the consultation and treatment acceptance. The CAD integration makes it easier for practices and labs to prevent misunderstandings and to avoid reworking or making multiple restorations.

New, intuitive user interface he app’s new interface optimises usability and helps users to navigate and design. A step-by-step guide takes users through the app and explains all the functions, features and innovations. In addition, the new version allows users to import photos of patients. As of now, IvoSmile has full functionality on the iPhone as well.

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Free 30-day trial voSmile is available from the App Store for iPad and iPhone. To get to know and try out the App, IvoSmile can be tested with full functionality for 30 days without obligation. The 30-day trial period is free of charge and ends automatically.

The IvoSmile Add-on is available from Ivoclar Vivadent and 3Shape distributors.

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For more info, visit www.ivosmile.com

March/April 2021

Stay up to speed with Generation Red E scanners 3Shape E1, E2 and E3 scanners have been upgraded to the same next generation scanning platform as E4 to deliver 20% more speed than before. Designed with a signature red ring, Generation Red E scanners provide optimized productivity, at no extra cost.

Explore more at 3shape.com/scanners/e4

20%

faster, same great price!

Contact your reseller regarding availability of 3Shape products in your region.

spectrum | NEWS

Streaming now on www.dentevents.tv

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entevents.tv is a brand new website for the dental profession that offers a broad range of video-based content focussed on all aspects of dentistry - from clinical, to technology, to management, marketing and more. Sign in for FREE and watch hundreds of on-demand videos, with more being added every day. Some videos even offer CPD! A selection of videos that will interest dentists and specialists appear below - or browse the website for many many more.

4 ceraMotion® how-to videos Duration Various AVAILABLE ON DEMAND • New in the ceraMotion family • How to use ceraMotion One Touch Pink • ceraMotion: How to glaze monolithic Zirconia and Lithium Disilicate • ceraMotion One Touch: How to adjust the shades (example A2)

13 Orthocryl LC how-to videos Duration Various AVAILABLE ON DEMAND Videos step-by-step instructions; Fixing wire elements; Preventing air bubbles; Using disco glitter; Cartridge tip opening; Smoothing out the surface; Finishing your orthodontic appliance; Embedding an expansion screw; Avoiding the air-inhibition layer; Testing the expansion screw; Repairing an orthodontic appliance; and Repairing a PMMA-appliance using Orthocryl® LC.

DenTechKnow - Digital Dentures Presented by Terence Whitty Duration 0:17:41 AVAILABLE ON DEMAND In this episode of DenTechKnow, Terry Whitty explores the state-of-the-art of digital dentures. This hot topic has been the focus of digital dentistry for the past few years with hardware, software and materials companies collaborating to try and provide a fully digital solution. Terry investigates what is possible at this point in time when it comes to producing dentures using the various solutions on offer and what we can expect in the future.

Infection Control Boot Camp Presented by Prof. Laurence Walsh Duration 7:08:14 AVAILABLE ON DEMAND CPD 6.0 Hours Learn firsthand from Australia’s leading authority on infection prevention and control in dentistry about recent changes in infection control that have come in over the past 12 months. This paid online learning program spans 27 video modules watched on-demand over more than 7 hours.

Watch hundreds of videos on-demand for FREE at www.dentevents.tv

14 eLABORATE

March/April 2021

STREAMING NOW ON-DEMAND

Dentevents.TV is a brand new dental video streaming service Watch a growing list of hundreds of videos related to dentistry all in one place

www.dentevents.tv

spectrum | NEWS

New look for popular dental websites

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wo of Australia’s most popular websites for the dental profession have been undergoing major updates throughout 2020 and into the first quarter of 2021, with both www.dentalcommunity.com.au and www.dentevents.com being given a fresh new look and added functionality.

“The demand for online services jumped during the COVID-19 lockdown and we’ve updated our websites in response to the changing times,” said Mr Joseph Allbeury, publisher of these websites as well as eLABORATE. “Apart from updating the overall look of Dentevents.com, we added a lot of new functionality to support organisers of LIVE webinars. And now, with the return to face-to-face learning, we’re adding more features to help organisers ticket, market and manage their events. One neat new feature is the ability to search for a venue to host a dental event. We have several hundred venues in the database, so you can now find a venue that has previously hosted a dental event, which is particularly ideal if you’re looking for a space outside the capital cities.

“Dentevents.com is a turnkey solution for anyone looking to organise a dental event, whether face-to-face or online and we’re continually adding new features based on user demand,” Mr Allbeury said.

Responsive design he Dental Community website home page has now also been completely updated to a new “responsive” format that works on any device.

“Our eight websites all work in unison to provide the dental profession with a variety of different types of information and a growing range of services,” Mr Allbeury said. “The Dental Community website is the centrepiece of all of these as it allows the profession to login, manage their own information and access the services we offer. Most of the work we have been doing on the Dental Community requires you to login to use it, however, we have finally revamped the public face of the site and it is now in a responsive format that adapts to any device.”

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Logging your CPD he CPD Education Centre within the Dental Community has also now been expanded to integrate the new video streaming website, www.dentevents.tv, to allow CPD tracking and list incomplete videos. Any CPD accrued from events a clinician has registered for using Dentevents.com or through CPD Questionnaires or through videos watched on Dentevents.tv is automatically logged.

And now, a new feature allows you to create CPD records for CPD accrued in other ways, allowing you to keep a record of all your CPD hours in one place.

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Article Archive he Dental Community Article Archive now boasts over 13,500 articles from current and past editions of Australasian Dental Practice, Oral Hygiene and eLABORATE magazines.

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“The Archive is an amazing resource chronicling the last 32 years of the dental profession,” Mr Allbeury said. “Whilst we continue to enrich the content itself, we have also now completely revamped the functionality of the Archive with a particular focus on making the content easily read on smartphones and tablets.

“As soon as we publish a magazine, the content is available online and can be easily read on screen. We have chosen a serif font in a larger than normal size to facilitate this further. You also still have the option of downloading a PDF of the article as it appeared in the magazine.

“The search features have also been enhanced to help you find what you’re looking for more easily.”

New easy sign-up feature igning up to the Dental Community can now be completed using the new “Sign In” feature on the website.

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March/April 2021

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Whether you’re looking for the ultimate in productivity or a compact solution packed with versatility, the DWX-52DCi and DWX-52D mills offer the performance, precision and reliability to match the needs of today’s modern dental laboratories.

Roland DG also offers the small-footprint DWX-4, the ideal device for labs just getting into digital milling or labs that need Roland DG also offers the small-footprint DWX-4, the ideal device for labs just getting into digital milling or labs that need DWX-52D mills offer the performance, precision and reliability to match the needs of today’s modern dental laboratories.

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spectrum | NEWS

Ivoclar Vivadent Academy launches

I

voclar Vivadent has launched the Ivoclar Vivadent Academy, a new one-stop educational resource centre. It offers trusted, cutting edge in-person learning, partnered with contemporary virtual education from dental experts from across the globe - all in one easy to navigate place.

The Ivoclar Vivadent Academy offers first class education for the dental practice and laboratory, with courses and resources specifically developed for clinicians, hygienists, and technicians across all levels of experience. Through this new learning centre, all dental professionals now have the ability to shape the learning experiences they need for professional growth.

Education when, where and how it’s needed vailable across a multitude of platforms, dental professionals can now advance their education at home, the office or even on the go. If in-person, hands on learning is preferred, the Ivoclar Vivadent Academy learning centers across the

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globe offer comprehensive and practiceoriented further education programs in a personalised environment.

or in-person, Ivoclar Vivadent Academy offers a multitude of ways to reach educational goals and to earn CPD credit.

Tailored learning approach

Personalised training

voclar Vivadent Academy understands that people like to learn differently.

That’s why this new resource centre offers a multitude of ways to reach education goals. From articles and publications to on-demand videos, interactive webinars and in-person courses, the Ivoclar Vivadent Academy global team of experts have it covered. Even live webinar sessions remain available on-demand for three weeks following the live presentation to provide further flexibility.

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Certificates for continuing education eceive a certificate of attendance with ease upon completion of each eligible program through the Ivoclar Vivadent academy. This certificate can be used towards CPD as Ivoclar Vivadent is an approved provider through AGD PACE. Whether learning is completed digitally

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oth virtual and on-site programs for key product workflows are available for customised training. The type of training experience that best suits each practice or laboratory can be selected and personalised. Learn from the Ivoclar Vivadent Academy experts online, inoffice, at partner training centres or other suitable locations.

“Supporting our customers’ desire to learn by bringing them best-of-class education through a multi-learning online platform is the cornerstone of Ivoclar Vivadent innovation,” said Dr George Tysowsky, DDS, MPH, Head of Global Training and Education. “We are excited to continue to expand our efforts to provide our dentist and laboratory customers with relevant and useful learning experiences.”

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Ivoclar Vivadent Academy is now open for registration at www.IvoclarVivadent.com.

March/April 2021

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

Complete restoration made with Prettau® 3 Dispersive® zirconia on anodised titanium bars - 100% digitally designed Made with Prettau 3 Dispersive with Gradual-Triplex Technology - A triple gradient of natural colour, translucency and flexural strength Made by DT Alexander Lichtmannegger, Zirkonzahn Education Center Brunico, Italy

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or this case, my working protocol started with a digital mounting 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 you to register and transfer patient data 1:1 into the digital world with no loss of information. In this way, it’s possible to create accurate and individual restorations matching the patient’s functional and aesthetic

ceramic | TECHNIQUES

READ ME FOR CPD

requirements. For the tooth set-up, I utilised Zirkonzahn.Modifier, 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 the software. 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.

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READ THE ARTICLES AND ANSWER THE QUESTIONS ONLINE

March/April 2021

READ ME FOR CPD

Figure 1. Initial situation: Framework try-in and tooth shade determination using the VITA shade guide.

Reproducing patient-specific natural vibrance with VITA LUMEX AC Veneering Ceramic

By Michele Prosperino

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hen the natural dentition exhibits very pronounced shade characteristics, this poses a special challenge for dental technicians. In order to reproduce all the individual nuances of the natural play of colours, veneering ceramic and a wide range of effect materials are required. In addition, reproducing natural vibrancy becomes particularly complicated

when the enamel shows a multi-faceted play of colour and light, for example in the form of greyishwhite transparency. Here it is necessary to reproduce the individual degree of translucency with different enamel- and effect materials. VITA LUMEX AC (VITA Zahnfabrik) is a new veneering system that offers virtually unlimited options for precise and reliable reproduction of shade effects and multi-faceted play of light. In the following case report, Dental Technician Michele Prosperino shows how he successfully handled one of these very sophisticated cases with the new veneering ceramic.

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March/April 2021

Question 1. Face Hunter is...

Question 6. Pronounced shade characteristics...

a. A new show on Netflix b. A new acne cream c. A facial scanner d. Dental criminology software

a. Poses special challenges for dental technicians. b. Are never an issue. c. Are impossible to match. d. Require special liquids and powders to mix with the ceramic.

Question 2. The Plane System...

Question 7. Vita Lumex AC offers...

a. Allows transfer of patient data 1:1 into the digital world. b. Allows quarantine free COVID travel. c. Registers patient records offset from the occlusal plane picked at random. d. Is a new articulator.

a. Nothing new. b. Unlimited possibilities for shade effects. c. A one bake solution. d. 2 for 1 specials.

Question 3. Gradual-Triplex technology...

a. FLUO medium sand was used. b. FLUO light was used. c. FLUO intense sand was used. d. FLUO weak sandstone was used.

a. Has three different layers of glass ceramic. b. Has a triple gradient of natural colour. c. Uses a triplex from a dental surgery. d. Uses laser technology to simulate colour.

Question 4. Due to colour shading Prettau 3 Dispersive... a. May not need further colouring or shading. b. Will always need shading and staining. c. Cannot be shaded or stained. d. Only needs shading and staining on bicuspids.

Question 5. Prettau 3 Dispersive has a flexural strength gradient from... a. 1200 MPa to 600 Mpa b. 1200 MPa to 590 Mpa c. 1200 MPa to 750 Mpa d. 1200 MPa to 670 Mpa

Question 8. For Washbake...

Question 9. Glaze firing was with... a. Vita Akzent Plus glaze. b. Vita Akzent normal glaze. c. A pumice mop. d. Vita Akzent SUPREME glaze.

Question 10. The central palatal area consisted of... a. Dentine A3 and dentine modifier copper. b. Dentine A3.5 and dentine modifier silver. c. Dentine A3 and dentine modifier silver. d. Dentine A3.5 and dentine modifier copper.

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 2021 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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READ ME FOR CPD

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

Complete restoration made with Prettau® 3 Dispersive® zirconia on anodised titanium bars - 100% digitally designed Made with Prettau 3 Dispersive with Gradual-Triplex Technology - A triple gradient of natural colour, translucency and flexural strength Made by DT Alexander Lichtmannegger, Zirkonzahn Education Center Brunico, Italy

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or this case, my working protocol started with a digital mounting 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 you to register and transfer patient data 1:1 into the digital world with no loss of information. In this way, it’s possible to create accurate and individual restorations matching the patient’s functional and aesthetic

24 eLABORATE

requirements. For the tooth set-up, I utilised Zirkonzahn.Modifier, 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 the software. 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 2021

cad | CAM

Figures 2-3 (above and below). Alignment of the incisal aspects in the highly translucent blank areas in the nesting software.

When the design was ready, I imported the files to 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: 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.

March/April 2021

This material, produced with Gradual-Triplex Technology, is already provided during the manufacturing process with a triple gradient of natural colour, translucency and flexural strength.

These characteristics make Prettau 3 Dispersive particularly indicated for monolithic ones. 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.

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Figures 4-5. Prettau 3 Dispersive, already provided by a natural colour gradient during the manufacturing process, does not 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 Enamel Fresco Fluids and Gingiva Fresco Fluids on teeth and gingiva.

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 and I enjoy enriching restorations with an even more natural look and patient-related details. This is why, during the virtual design, I decided to slightly reduce the upper restoration on the anterior region, in order to apply a minimal ceramic layering on it. I applied Colour Liquids, then I sintered (1500°C), glazed and stained the structures. At this point, I dedicated myself to ceramic layering in the upper and lower gingival areas (0.4-0.5 mm) as well as in the maxillary anterior region.

For this purpose, I used material-specific ceramics (Gingiva Fresco Fluids and Enamel Fresco Fluids) and I fired the structures at 760°C.

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

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Figure 9. The final restoration in situ.

Figure 10. Comparison of the final restoration with the Zirkonzahn Shade Guide for Prettau 3 Dispersive, composed of monolithic Prettau 3 Dispersive sample teeth in the shape of a premolar as well as upper and lower incisor.

After a slight polishing, I anodised the bars in a golden colour and I 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.

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To see more case galleries and to know more about the new Prettau 3 Dispersive zirconia with Gradual-Triplex Technology visit www.zirkonzahn.com or follow Zirkonzahn of Facebook, Instagram and YouTube!

March/April 2021

MORE INFORMATION

PRETTAU® 3 DISPERSIVE® ZIRCONIA STRUCTURES ON ANODISED TITANIUM BARS DT Alexander Lichtmannegger – Zirkonzahn Education Center Brunico, South Tyrol, Italy New! Prettau® 3 Dispersive® with Gradual-Triplex-Technology: the 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.

~ 670 MPa*

~ 1100 MPa*

~ 1200 MPa*

Flexural strength gradient

Translucency gradient

Colour gradient

Final result

* Average value of the biaxial flexural strength from several test series 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

ceramic | TECHNIQUES

READ ME FOR CPD

Figure 1. Initial situation: Framework try-in and tooth shade determination using the VITA shade guide.

Reproducing patient-specific natural vibrance with VITA LUMEX AC Veneering Ceramic

By Michele Prosperino

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hen the natural dentition exhibits very pronounced shade characteristics, this poses a special challenge for dental technicians. In order to reproduce all the individual nuances of the natural play of colours, veneering ceramic and a wide range of effect materials are required. In addition, reproducing natural vibrancy becomes particularly complicated

30 eLABORATE

when the enamel shows a multi-faceted play of colour and light, for example in the form of greyishwhite transparency. Here it is necessary to reproduce the individual degree of translucency with different enamel- and effect materials. VITA LUMEX AC (VITA Zahnfabrik) is a new veneering system that offers virtually unlimited options for precise and reliable reproduction of shade effects and multi-faceted play of light. In the following case report, Dental Technician Michele Prosperino shows how he successfully handled one of these very sophisticated cases with the new veneering ceramic.

March/April 2021

ceramic | TECHNIQUES

Figure 2. The washbake is done with FLUO INTENSE sand and the incisal with sesame.

Figure 3. The basic assessment of the dentine portion is carried out with DENTINE A3.

Figure 4. A 50:50 mixture of DENTINE A 3.5 and DENTINE MODIFIER copper was applied palatally.

Figure 5. The intensification of the cervical margin was performed laterally with A3.5, in combination with some FLUO INTENSE sand.

Patient case and material selection 52-year-old patient suffered fractures on all mandibular front teeth as a result of a trauma. After the teeth were preserved, the patient did not experience any discomfort. The teeth that had been loosened by the trauma had stabilised once again. After a

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“VITA LUMEX AC offers virtually unlimited possibilities for precise and reliable reproduction of shade effects and multi-faceted light effects...” longer temporary restoration phase, the patient now requested a definitive reconstruction. After this restoration, he wanted to be able to smile again as he did before the accident. In order to stabilise the teeth after the traumatic loosening, the dentist and

March/April 2021

patient decided to use a splinted crown restoration for teeth 32 to 42. When selecting the material, the decision was made in favour of zirconia crown frameworks, which were to be veneered with the new leucite-reinforced, glass-ceramic veneering system VITA LUMEX AC.

Shade determination and framework fabrication he four front teeth were given a local anaesthetic. This was followed by systematic and precise tooth shade determination using a VITA shade guide. After the preparation, a mould of the stumps was made, which was used as the basis for the master model. The translucent, pre-shaded zirconia VITA YZ T Color in brightness level LL1 was selected for the framework fabrication. Digitisation was carried out using the S600 ARTI laboratory scanner (Zirkonzahn), the framework design was created with the zirconia tooth software and the framework was fabricated using the CAM unit M5 Heavy Metal (Zirkonzahn).

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Figure 6. The central ceramic application of A3 with added OPAL TRANSLUCENT opal-neutral.

Figure 7. ENAMEL light was added before the first dentine firing.

Figure 8. The final enamel layering for the corrective firing was carried out with a 50:50 mixture of ENAMEL medium and clear.

Figure 9. Results: A highly aesthetic result was achieved using VITA LUMEX AC.

Highly precise veneer with shade fidelity or the washbake, FLUO INTENSE sand and incisal sesame were applied cervically for indepth control of the fluorescence. The basal dentine portion was layered with DENTINE A3, according to the determined basic tooth shade. A 50:50 mixture of DENTINE A 3.5 and DENTINE MODIFIER copper was then applied to the central palatal area. An intensification of the cervical margin was performed laterally with A3.5, in combination with some FLUO INTENSE sand. The central ceramic application of A3 followed with added OPAL TRANSLUCENT opal-neutral. Finally, ENAMEL light was added and the first dentine firing was carried out.

For the ceramic application, the new veneering ceramic was particularly impressive, due to its outstanding modelling properties, and thanks to its excellent stability. The final enamel layering for the corrective firing was carried out in the upper third of the crown with a 50:50 mixture of ENAMEL medium and clear. After the final firing, the end result showed remarkable shade fidelity. Precise reproduction of the initially determined

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tooth shade was incredibly successful using the VITA LUMEX AC veneering ceramic. Finally, fine rotating diamond tools and a glaze firing with VITA AKZENT PLUS GLAZE were used for the finalisation.

Ideal dynamics of light in the results he splinted crown restoration was permanently incorporated with a self-adhesive luting composite. The patient was very enthusiastic about the highly aesthetic result. The restoration showed an ideal interplay of opacity, chromacity and translucency. The specific shade characteristics of the natural teeth were reproduced precisely, resulting in a reconstruction that integrated harmoniously into the natural dentition. The ceramic could be processed very precisely and showed impressive excellence in shade fidelity, resulting in outstanding light dynamics.

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About the author Michele Prosperino is a dental technician in San Severo, Italy.

March/April 2021

EASY TO USE EASY TO USE EASY FOR ALL! EASY FOR ALL!

VITA LUMEX® AC VITA LUMEX® AC ONE CERAMIC. FOR ALL CERAMICS. • Leucite-reinforced glass ceramic for all ceramics ONE FORto ALL CERAMICS. • EasyCERAMIC. handling thanks high stability during layering • esthetics thanks to the VITA shade formula • Reliable Leucite-reinforced glass ceramic for all ceramics • Easy handling thanks to high stability during layering • Reliable esthetics thanks to the VITA shade formula

© Mic

h e l e P r o s p e r in o, I t al y

© Mic

h e l e P r o s p e r in o, I t al y

Simply scan and discover interesting clinical cases! www.dental-visionist.com Simply scan and discover interesting clinical cases! www.dental-visionist.com

ceramic | TECHNIQUES

Aesthetic harmony with IPS e.max® ZirCAD Prime

By Yuki Momma, RDT and Dr William C. Heggerick, DDS, FACP

Figure 1. Preoperative view.

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he patient’s natural upper anterior teeth were in very poor condition. Areas of periodontal breakdown and generalised recession were observed. The tissue margins around the PFM crown on tooth 12 had an unattractive greyish appearance. Black triangles were visible between the teeth. The gum tissue was far from looking pink and healthy (Figure 1). These findings were made by the Weston Dental Specialists Group when the patient initially presented to their practice with exceptionally high expectations. Their task was to treat these defects and adjust the gingival contour. It was clear from the outset that the desired result could only be achieved with all-ceramic crowns on all four of the anterior front teeth. The present case shows how a clean, pleasing and aesthetic smile can be created with the help of IPS e.max ZirCAD Prime.

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Figure 2. Mock-up.

Design of the restorations he patient’s main concern was that the gingival embrasures would be closed by means of large square-looking restorations. As a result, she was given the opportunity of trying a mock-up of the restorations, which was created on the basis of a wax-up and the corresponding matrix. This approach enabled the practitioner to discuss and clearly plan the shape of the new restoration with the patient (Figure 2).

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Selection of the materials he crowns were machined from an IPS e.max ZirCAD Prime disc (Ivoclar Vivadent). These zirconium oxide discs are manufactured using an innovative technique called Gradient Technology (GT), in which extremely strong and highly translucent zirconium oxide raw materials are combined. This process

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ceramic | TECHNIQUES

Figure 3. Slightly cut back crowns made with IPS e.max ZirCAD Prime. The cervical margins have been lightly stained with infiltration liquids.

Figure 4. The sintered crowns on the model.

Figure 5. Creation of customised aesthetic effects using IPS e.max Ceram layering materials.

Figure 6. Interim result after the first bake.

provides a number of benefits. Firstly, the material shows excellent stability - biaxial flexural strength of 1200 MPa and fracture toughness of > 5 MPa · m1/2. Therefore, it is suitable for creating durable single crowns as well as long-span bridges. Secondly, the ceramic exhibits a unique and seamless progression of translucency and colour within the disc. Consequently, it has the potential of being used to produce high-end aesthetic restorations.

Depending on the requirements of the case at hand, it can be used in monolithic form or it can be partially or completely veneered.

In addition, combinations of these forms are possible within a restoration. Therefore, IPS e.max ZirCAD Prime is a real “One-Disc Solution” that offers each individual patient a myriad of different options. In the present case, slightly cut-back crown frameworks were fabricated and subsequently finished with IPS e.max ZirCAD Colouring Liquids, the IPS e.max Ceram veneering system and the stains and glazes of the IPS Ivocolor assortment (Figures 3 to 7).

degrees of brightness. These effects are caused by the varying thicknesses of the enamel layer in the cervical and incisal areas.

The dentine part of the tooth, which shows more intense colour saturation than the enamel, shimmers through the tooth structure in different degrees of intensity and imparts a tooth with its typical characteristics. The crown on tooth 12 in this case did not take any of these principles into account and therefore ended up looking like a lifeless foreign object. The photo shown in Figure 8 was taken when the new crown made of IPS e.max ZirCAD Prime was tried in. Clearly, the restoration with its layer-free transition of the shade and translucency faithfully imitates the structure of natural teeth and creates a three-dimensional impression. Individual details such as mamelons and enamel cracks have been recreated to impart the crowns with a lifelike appearance.

Tooth colour he tooth colour is the second-most important aesthetic criteria that patients associate with beautiful teeth apart from the tooth shape. In healthy natural teeth, the central incisors have the lightest colour. In the present case, however, the natural anterior teeth of the patient showed a comparatively dark basic shade in addition to stains. By nature, individual teeth exhibit different

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March/April 2021

Tooth shape he lighter tooth shade including the new tooth shape are responsible for making the smile of the patient look significantly brighter, livelier and younger after the treatment. Instead of the original conical appearance, the upper anterior teeth now have a gently rounded outline. The relationship between the length and width of the incisors is well balanced and all the incisors are in proportion. When the patient smiles, her teeth are in line with the natural contours of the lower lip.

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Figure 7. Finalised IPS e.max ZirCAD Prime crowns on model.

Figure 8. Try-in.

Figure 9. Permanently placed restorations.

Figure 10. The result: Aesthetic, lifelike, beautiful.

Gingival contour

About the author

he gingival contour provides an additional key reference point for the aesthetic appearance of a dental restoration. Since completely symmetrical restorations tend to look rather unnatural, the irregular height of the gingiva was not considered to impair the aesthetic outcome in this case. The crowns are ideally shaped and they complement the scalloped gingival contour. The all-ceramic solution allows light to pass evenly from the papillae to the new restorations and back. During the try-in, a few tiny, dark gaps were still visible between the teeth, however, they were completely closed when the restorations were permanently cemented (Variolink Esthetic, Ivoclar Vivadent) (Figure 9). The gum tissue impeccably adapted to the IPS e.max ZirCAD Prime restorations.

Yuki Momma graduated from Yukioka Dental Technician School in Japan. In year 2000, he joined to Miyamoto Dental Clinic where he could directly receive feedback on each restorations he made. While working at the clinic, he challenged himself by studying at Osaka Ceramic Training Center. Upon his completion at the training center, he moved to Boston and started working as a Master Ceramist at Gnathos Dental Studio in Weston, Massachusetts. He built his skillset as a ceramist for 7 years and in 2017, founded the Ceramic Artisan Dental Lab.

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Conclusion ur choice of material proved to be ideal for the present case.

Excellent results were achieved with IPS e.max ZirCAD Prime in monolithic form due to the material’s exceptional aesthetic properties. It provided the perfect canvas for creating the desired outcome using coordinated veneering and staining materials: a flawless, natural-looking smile. The patient is happy with the result and so are we (Figure 10).

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Dr William Heggerick is a native of Detroit, Michigan. His undergraduate training included John Carroll University in Cleveland Ohio and University of Detroit School of Dental Medicine. He completed his post doctoral studies in Prosthodontics at Tufts University School of Dental Medicine in 1973. Shortly after, he completed his national board certification and received his Diplomate of the American Board of Prosthodontics Status.

For more information, contact Ivoclar Vivadent on 1300-486-252 in Australia or 0508-486-252 in New Zealand or visit www.ivoclarvivadent.com.

March/April 2021

Ivotion

One disc. One milling process. One denture.

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Australia Tel: 03 9795 9599 | Freephone: 1300 IVOCLAR (486 252) Email: orders.au@ivoclarvivadent.com | Website: www.ivoclarvivadent.com.au

New Zealand Tel: 09 914 9999 | Freephone: 0508 IVOCLAR (486 252) Email: orders.nz@ivoclarvivadent.com | Website: www.ivoclarvivadent.co.nz

cad | CAM

Model printing at top speed: V-Print model fast from VOCO

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he advent of 3D printing technology in the dental laboratory promises significant savings in time and materials for the additive production of high-precision dental models.

However, it is not necessary for all dental models to print with the minimum possible layer thickness. Often enough, higher layer thicknesses are sufficient in 3D printing, which can have a further positive effect on time and cost savings. Highspeed printing requires special printing resins whose material composition is optimised accordingly, but without restrictions in terms of quality having to be accepted.

V-Print model fast is one such optimised product with which dental manufacturer VOCO is expanding its portfolio in the area of 3D printing materials.

Temperature-resistant models for aligners and retainers -Print model fast is used for the generative production of dental models as required in the daily dental laboratory routine, as a preliminary step for the thermoforming technique. In this respect, the printing resin is ideally suited for the production of dimensionally stable deep-drawing models also for aligner therapy, thanks to its high temperature resistance.

Directly after the printing process, the produced components already have a very high green strength, which allows the production of cost-effective and material-saving so-called hollow-frame models which can be safely removed from the building platform.

V

38 eLABORATE

V-Print model fast, available in the high-contrast colour blue, is offered in the economical 1000gm bottle and complements the proven V-Print model printing material, which is ideally suited for the production of models in premium quality and surface finish - for high-quality dental prostheses with a precise fit, thanks to printing in a thin layer thickness.

Perfect solutions for modern digital and advanced dentistry - these are the goals of the Dentalists, which have been implemented in cooperation with numerous renowned manufacturers of 3D printers. An up-to-date list of printer and material compatibilities can be found at www.voco.dental/3dprintingpartners.

VOCO - The Dentalists he family-run dental company, VOCO, located in Cuxhaven, Germany, is one of the leading manufacturers in the industry, both nationally and internationally. The product portfolio comprises more than 100 preparations, with a focus on preventive, restorative, prosthetic and digital dentistry. All products are manufactured at the headquarters and are therefore 100 percent “Made in Germany”. 440 people are employed in the departments of research, production and administration in Germany. Another 400 employees are responsible for sales worldwide and take care of dentists and dealers on site. VOCO relies on dental products of highest material quality and user-friendliness that meet the high demands of the market. Thanks to innovative solutions, the company, founded in 1981, often takes on pioneering roles and establishes new standards in the dental world. In addition, VOCO consistently pushes the digital dentistry and combines complex technologies with best user comfort.

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March/April 2021

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thermoforming | TECHNIQUES

Crystal clear aligners from Erkodur-al

By Peter Herring, Adv Dip Dent Tech, ACCDP

I

ntroducing Erkodur-al - a new thermoforming material optimised for the production of aligners.

Erkodur-al is a visco-elastic hard, break-resistant material with excellent dimensional stability - even under prolonged tension.

Compared to the tried-and-tested Erkodur, Erkodur-al is approximately 35% softer and presents with a lower initial force and thus less feeling of tension at insertion.

This not only means more comfort for the patient, the elasticity of the material also allows the effective force for correcting the misalignment of the teeth to last longer. The result is an effective but also gentle correction.

40 eLABORATE

The very flat force-loss curve measured in the comparison shows that Erkodur-al has a more favourable force-loss curve than most known materials. Even multilayer materials do not show a better course curve compared to Erkodur-al.

Conclusions/Data ong-term force loss test: The curves were determined for all materials under the same conditions (Figure 2).

Other brands were obtained from the trade. The curves were determined several times and averaged.

The material analysis revealed for one third-party material a contradiction

L

between the data given and the analysis result. The curves show that multilayer does not lead to significantly flatter curves. The PET-G/TPU/PET-G curve is even more unfavorable. The TPU/TPU/ TPU curve runs similarly to Erkodur-al as does another single-layer third party product. The TPU tested turned out to be unsuitable.

Dual layer Erkoloc-pro 1.0 mm is not directly comparable (0.6 mm hard).

The curve is more like Erkodur in terms of the initial loss of force, but then the curve becomes as flat as Erkodur-al.

Erkoloc-pro 1.0 and 1.3 mm remains the most comfortable aligner material for treatments without attachment.

March/April 2021

thermoforming | TECHNIQUES Below is an extract of the technical data of Erkodur and Erkodur-al.

For further data see product data sheets, https://www.erkodent.de/en/service-download/product-data-sheets

Erkodur

Erkodur-al

Density 1.27 g/cm3 Modulus of elasticity 2020 MPa Elongation at break 50% Water absorption 0.2% Temperature resistance 63°C

Density 1.18 g/cm3 Modulus of elasticity 1520 MPa Elongation at break 185% Eater absorption 0.5% Temperature resistance 92°C

Availabilty

Note for finishing

Erkodur-al is available in three thicknesses (0.6/0.8/1.0 mm) and in three formats (Ø 120, 125, 240 mm).

To request your sample in 0.8 mm thickness email info@erkodent.com.au

xtensive tests have shown that Lisko white (223100) is best suited for smoothing the splint edges. For this purpose, 2 Lisko white are mounted on a mandrel with the support discs.

E

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.

hygiene for dental appliances removes plaque & mineral deposits removes odours fresh and clean splints prevents discolouring safe for all appliances

Contact: telephone toll free 1800 242 634 - fax +61 8 9388 0502 email info@erkodent.com.au - online shop www.erkodent.com.au March/April 2021

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.

Sirio InFIRE pre-heating furnace

Sirio Light pre-heating furnace

The Sirio InFIRE furnace can memorise up to 20 pre-heating cycles (15 normal programs with 6 phases + 5 fast programs with 1 phase) which are kept in the memory until the operator decides to modify them. Each program contains 6 phases and for each phase it is possible to set 3 variables: temperature, increase rate and holding time. It is also possible to set an ignition delay and the fumes aspiration fan off temperature (fume chimney).

It’s also possible to set a final temperature holding time at the end of the cycle: this is to keep the cylinders at a certain temperature and allow time for the operator to be ready with the next work. The Sirio InFIRE is

The Sirio Light furnace has an electronic control unit with micro-processors and a permanent memory.

With two heating programs: one program for TRADITIONAL castings, which contains up to 3 phases (with choice of Temperature, Temperature increase rate expressed in °C per minute and holding time) and one program specifically studied for FAST castings. An ignition delay up to 100 hours is available.

The Sirio Light is available in small, medium and large chamber sizes.

available in small, medium and large chamber sizes.

Available: Alphabond Dental Tel: (02) 9417-6660 Tel: 1800-643-477 info@alphabond.com.au www.alphabond.com.au

Yeti Occlusion Spray Yeti Occlusion Spray is designed to assist in the recognition of high spots. It features targeted spraying and does not blob. Yeti Occlusion Spray is 100% water soluble and can be easily washed off from sealed plaster surfaces (it should be washed off before porcelain firing or investing!).

Yeti Occlusion Spray adheres to metal, ceramics, plaster and synthetics. It’s environmentally friendly: a mixture of compressed gas that is not harmful to the ozone layer.

Yeti Occlusion Spray can also be used as a scan spray!

Available: Alphabond Dental Tel: (02) 9417-6660 Tel: 1800-643-477 info@alphabond.com.au www.alphabond.com.au

42 eLABORATE

Available: Alphabond Dental Tel: (02) 9417-6660 Tel: 1800-643-477 info@alphabond.com.au www.alphabond.com.au

Zirkonzahn Prettau 3 Dispersive zirconia

With brand new Prettau® 3 Dispersive® zirconia, Zirkonzahn have developed a zirconia material with a smooth triple gradient from 1200 MPa at incisal edge to 650 MPa at the tooth neck. In addition to the colouring, translucency and bending strength levels change. While the incisally increasing translucency results in a highly translucent incisal edge, the cervically increasing flexural strength results in an extremely high flexural strength at the tooth neck.

Accordingly, Prettau 3 Dispersive can be used for all kinds of zirconia restorations, although it is particularly suitable for monolithic restorations.

Prettau 3 Dispersive is available in heights of 14mm and 18mm and in shades A1-D4 plus three bleach shades.

Available: Alphabond Dental Tel: (02) 9417-6660 Freecall: 1800-643-477 info@alphabond.com.au www. alphabond.com.au

March/April 2021

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