Sirona Dental Systems : Copy: Sirona balances innovation and ease of use with release of new CEREC 4.3 software

Bensheim/Salzburg. Germany's global reputation for quality work is based on the constant quest for improvement - and even after thirty years of continuous research and development in close collaboration with scientists, testers and users, CEREC continues to set new standards in restorative dentistry. With the new 4.3 update to the CEREC software, Sirona demonstrates its market leadership role in dental CAD/CAM and offers users numerous innovations to improve the clinical quality of restorations and make workflow simpler and more efficient.

With this new software update CEREC is once again improving the accuracy of virtual models: when creating digital impressions with the CEREC Omnicam, more details are recorded and the jaw represented more accurately - with no increase in the size of the data sets created. The software checks whether the data from the scan is sufficiently networked. If there are gaps in the data set, red arrows immediately provide the user with feedback, indicating the point at which the model must be completed by rescanning. Thanks to the greater accuracy of the model it is also possible for edges to be shown more sharply, thus making it easier for the automatic margin finder to recognize the preparation margins. This allows the user to complete the imaging and design process more rapidly and simply. The result is more accurate restorations.

The further development of processing strategies is advantageous for clinical quality. With CEREC using diamond instruments to grind restorations for 30 years, the system is now the first to be able to mill with carbide instruments as well. Restorations can be processed more rapidly by means of carbide milling. Milled zirconium oxide also provides a higher degree of margin stability and in this way temporary polymer solutions are rendered smoother. For diamond grinding, the update makes use of new algorithms, thus ensuring smoother surfaces in the processing of silicate ceramics. "The great flexibility provided in the selection and processing of materials allows the dentist to provide his patient with a full range of solutions for a large number of indications, all in a single session. This makes CEREC particularly attractive, especially for newcomers", according to Roddy MacLeod, Vice President CAD/CAM Systems at Sirona.

Feedback is also provided by the software for users of the CEREC Omnicam, in the event of undercuts occurring in the course of minimally invasive preparation. The software marks these automatically once the user has set the axis for the model. To avoid problems with fitting, the users now have three options: they either stick with minimally invasive preparation and block the undercut when inserting the restoration with composite or they rework the restoration by hand. The third possible option is to modify the preparation.

With its numerous features, the CEREC 4.3 software update simplifies the workflow. The most important innovation is the improved virtual articulator which helps the user in checking dynamic as well as static occlusion. This means that troublesome dynamic points of contact can be eliminated as early as the design phase. This spares the user the time-consuming task of manual grinding inside the patient's mouth. The user can also adjust the jaw joints to the right and left, applying a variety of parameters. The use of a virtual incisal pin also allows the occlusion to be opened, thus ensuring that the occlusion is blocked for complete restorations.

For shaping front teeth, there are now more options available to the user: CEREC 4.3 offers a variety of textures for structuring the surface of veneers and front dental crowns, with up to four growth lines and two mamelons.

Ever greater numbers of dentists are using CEREC for chairside implants. Sirona is now offering a TiBase set for implants from Thommen Medical, and therefore extending what is already the widest range of implant systems in the CAD/CAM market. Using a titanium base designed to match the relevant system, it is possible for individual abutments made from special zirconium oxide blocks (inCoris ZI meso) to be secured onto the implant and provided with an implant crown.

If during production the user should come to the conclusion that he would be better to pass the restoration over to the dental technician, with this CEREC update he now has a Plan B: the software has an integrated "Connect Button" which he can use to upload data to the Sirona Connect internet platform at each stage of the work, in this way passing it on to a partner laboratory.

These and other features enhance the performance of the CEREC system, making a marked contribution to the system's efficient and cost-effective use in the modern dental practice.

Copyright: Sirona/ Marc Fippel

Sirona Dental GmbH
Sirona Straße 1
A-5071 Wals bei Salzburg
Austria
P +43 (0) 662 / 2450-0
F +43 662 2450-109590
contact@sirona.com
www.sirona.com

Sirona, the dental technology and innovation leader, has served dealers and dentists worldwide for more than 130 years. Sirona develops, manufactures, and markets a complete line of dental products, including CAD/CAM restoration systems (CEREC), digital intra-oral, panoramic and 3D imaging systems, dental treatment centers and handpieces. Visit www.sirona.com for more information about Sirona and its products.

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