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Zirconia as a biomaterial in prosthetic dentistry - a case report

Author(s):
1. Dubravka Marković, Serbia
2. Aleksandra Anđelković, Armenia
3. Branislava Petronijević, Armenia
4. Mila Kovačević, Armenia


Abstract:
Introduction: Zirconia is a crystalline zirconium dioxide (ZrO2). Good mechanical properties have brought it the title "ceramic steel" and the great interest of researchers of various specialties, while biocompatibility and color similar to tooth enabled its use in dentistry. In prosthodontics, zirconia is used for fabrication of frameworks and "full contour" zirconia restorations. Case report: The radiograph of 30-year-old male patient was observed, indicating the presence of chronic periapical lesion on the mesial root of tooth 36. Composite fillings were present on teeth 35 and 37. Hemisection was performed on the tooth 36, and the resulting bone defect was filled with bone substitute material (Bio-Oss, Osteohealth, USA). The distal root was endodontically treated and composite post was placed (RelyX Fiber Post, 3M ESPE AG, Germany). Tooth 25 was prepared for the class II inlay, and the teeth 36 and 37 were commonly prepared (“rounded shoulder” finish line). Impressions were taken, and direct provisional restorations were made (Structur 2SC, VOCO GmbH, Germany). Fixed partial denture was made of zirconia substructure (ICE Zirconia Blanks ZIRKONZAHN GmbH, Germany) and compatible veneering ceramic (IPS e.max Ceram, Ivoclar Vivadent AG, Germany), and cemented with composite cement (RelyX Unicem, 3M ESPE AG, Germany). Conclusion: Properly indicated, and with adequate clinical and technical protocols, fixed partial dentures made of zirconia are functional and aesthetically pleasing alternative to metal-ceramic restorations.

Key words:
zirconia, biomaterial(s), dentistry

Thematic field:
SYMPOSIUM B: Biomaterials and nanomedicine

Date of abstract submission:
02.06.2013.

Number of visits:
185

Conference:
Contemporary Materials - 2013 - Savremeni materijali

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