IN VITRO FATIGUE AND FRACTURE RESISTANCE

All-ceramic abutments are employed increasingly often in implant dentistry for esthetic reasons. In vitro stress testing is required to evaluate the suitability of these constructions, especially in load-bearing posterior regions. The purpose of the study was to assess and compare the fatigue and fracture resistance of one- and two-piece computer-aided design/computer-assisted manufacture (CAD/CAM) zirconia implant abutments with an internal-hex connection and prefabricated commercially available zirconia stock abutments.

The International Journal of Oral & Maxillofacial Implants
Peter Gehrke, Carsten Fischer, Dirk Johannson, Bogna Stawarczyk, Florian Beuer

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