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What can Zirconium Oxide be Used for

The zirconium oxide–the ceramic relationship is not yet well known. Core–veneer interface is one of the weakest aspects of these restorations so ceramic chipping or cracking is possible.

6 Different factors may influence veneer cracking as differences in thermal expansion coefficients between core and ceramic, firing shrinkage of ceramic, flaws in veneering, and poor wetting by veneering on the core. Special ceramics are nowadays developed for zirconia in order to minimize this unfavorable aspect, but more evaluation of zirconia core–veneer bonds must be performed. After veneering control and finishing, luting of restoration can be performed.
Surface treatment seems to be unnecessary to obtain good adhesion. At the present time, Zr-ceramic restorations should be luted with resin cement without surface treatment or, at least, with stereochemical treatment.
The aging of zirconia rod can have detrimental effects on their mechanical properties. Mechanical stresses and wetness exposure are critical to accelerating this process.
Nowadays effects of aging on zirconium oxide used for oral rehabilitation are not yet well known. By an in vitro simulation resulted that, although aging reduces the mechanical features of Zirconia, resistance values decrease into clinically acceptable values.

zirconium oxide
By using CAD/CAM technology, it is now possible to obtain zirconium oxide implant abutments. Replacing missing teeth with an implant-supported FPD requires functional and aesthetic evaluation by the clinician. In order to achieve a good outcome for an implant-supported FPD, many aspects need to be considered. A natural-looking emergence must be obtained in order to harmonize restoration and natural teeth. Intrasulcular abutment design is critical to reduce the risk of metallic blue shimmer through thin soft tissue. The use of ceramic abutments reduces this risk, allowing for optimal adaptation between the margins of the restoration and the soft tissue.

Advanced Ceramic Materials (ACM) supplies high-quality zirconia ceramics and related products to meet our customers’ R&D and production needs. Please visit for more information.

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