Cercon. The Cercon all-ceramic CAM system is introduced, and with it the first economically viable process for the production of dental zirconia crowns and. Product Description and Details for the Cercon Zirconia from Dentsply Sirona Prosthetics at Cercon ht zirconia is the next generation of Cercon technology brought to you by. DENTSPLY Prosthetics, your trusted product and service solutions provider.
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Until these high-strength, esthetic materials were introduced, the inherent natural esthetics of all-ceramic restorations were primarily reserved for anterior cosmetic zifconia and single units where the zirfonia of a porcelain-fused-to-metal PFM restoration was not necessarily required. This system for laboratory fabrication of esthetic, indirect, all-ceramic restorations was introduced with soft-sintered, white blocks and an initial porcelain overlay material.
The type of zirconia used by csrcon Cercon system is yttria-stabilized tetragonal zirconia polycrystals Y-TZPwhich exhibits excellent biocompatibility and mechanical zirconiia.
High-Strength, High-Performance With no change to what dentists were required to do to effectively prescribe Cercon restorations, the material and technology could be quickly adopted clinically as long as dentists could locate a supporting lab. Today, with over labs supporting Cercon technology throughout North America, these high-performance, cosmetic restorations are readily available to any and all dentists who wish to obtain high-strength, all-ceramic crowns, bridges, and veneers that are just as suitable for posterior use as for anterior use.
All the dentist needs to do is follow proper preparation guidelines for all-ceramic restorations by creating a chamfer margin with rounded axio-cervical line angles, then proceeding to take a final impression that is sent to the lab as usual. Once the core is milled, it is sintered to final density and dimensions.
All compensation for the shrinkage factor of the Cercon core material during sintering is programmed into the Cercon system to ensure that a precisely designed coping or framework is produced for an ideal fit. What may not be commonly known in dentistry is that highly engineered materials, like plastics, are accurately manufactured every day with compensation for material shrinkage by design to produce products that are accurate to within nanometers of the desired outcome.
One of the inherent advantages of Cercon restorations is that the frameworks and copings are sintered after the milling process. The sintering process solidifies the framework and fills in any minor stress fractures that may have occurred during milling, resulting in a dense and smooth substrate.
The sintering process is so effective that no milling marks can be witnessed on the smooth, finished coping.
Cercon Zirconia from Dentsply Sirona Prosthetics | Dentalcompare: Top Products. Best Practices.
The inherent advantage of strength for all-ceramic restorations achieved with Cercon restorations is clear. With a flexural strength of sintered core material at MPa and a fracture resistance of over N for the finished restoration that includes the overlay porcelain, Cercon zirconia out-performs not only other types of all-ceramic materials with regard to strength, but also offers significant improvement over PFMs when it comes to the zircoia coping and framework.
In fact, Dentsply has such confidence in Cercon restorations that it offers a 7- year guarantee against breakage.
While initial esthetics were less than ideal for anterior use because of the inherent opacity and high value of all original zirconia blocks, corresponding porcelain overlay materials were quickly developed and introduced to improve ccercon cosmetic crrcon of the resulting restorations. InDentsply Ceramco introduced Cercon Ceram S followed by Ceramco PFZ that offered improved esthetics by increasing the vitality of the final restoration through the use of nanotechnology.
InCercon Ceram Kiss was introduced through Denstply DeguDent to provide a high-end cosmetic look while keeping the technique simple and straightforward for consistent results. Any dentist can easily prescribe a Cercon restoration, evaluate the esthetics and fit, then decide if the final cosmetic result delivers on his or her expectations as well as the expectations of the patient.
The clinical longevity and growth of Cercon as well as the zirdonia of Dentsply through its Ceramco and DeguDent divisions to continually improve and add to the Cercon system and line of materials, has validated not only the performance of Cercon materials and the fabrication process, but also the highly cosmetic results that can be achieved with this high-strength, allceramic system.
Flexural strength and fracture toughness of dental core ceramics. Reliability zircnia properties of ground Y-TZPzirconia ceramics.
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Cercon Zirconia from Dentsply Sirona Prosthetics
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