Rajarajeshwari Dental College and Hosptital

Bangalore, India

Rajarajeshwari Dental College and Hosptital

Bangalore, India
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Ramesh T.R.,Rajarajeshwari Dental College and Hosptital | Gangaiah M.,Rajarajeshwari Dental College and Hosptital | Harish P.V.,Rajarajeshwari Dental College and Hosptital | Krishnakumar U.,Rajarajeshwari Dental College and Hosptital | Nandakishore B.,Rajarajeshwari Dental College and Hosptital
Trends in Biomaterials and Artificial Organs | Year: 2012

Zirconia is one of the most promising restorative biomaterial, because it has very favorable mechanical and chemical properties suitable for medical application. Zirconia ceramics (ZrO2) are becoming a prevalent biomaterial in dentistry and dental implantology. Zirconia stabilized with Y2O3 has the best properties for these applications. Zirconia biocompatibility had been studied in vivo as well as in vitro; no adverse response was reported following the insertion of ZrO2 samples to bone or muscle. In vitro experimentation showed absence of mutations and good viability of cells cultured on this material. Zirconia cores for fixed partial dentures (FPD) on anterior and posterior teeth and on implants are now available. Mechanical properties of zirconium oxide FPDs have proved superior to those of other metal-free restorations. Clinical evaluations, which have been ongoing, indicate a good success rate for zirconia FPDs. Zirconia implant abutments can also be used to improve the aesthetic outcome of implant-supported rehabilitations. Newly proposed zirconia implants seem to have good biological and mechanical properties. This paper reviews the current literature on dental zirconia with respect to basic properties, biocompatibility, and clinical applications in dentistry ant its performance.

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