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Clinical Performance of Zirconia-Ceramic Posterior Fixed Partial Dentures After 10 Years: a Retrospective Study

Clinical Performance of Zirconia-Ceramic Posterior Fixed Partial Dentures After 10 Years: a Retrospective Study

Huner Elif Karabulut Abdioglu, Eren Aygun*, Kubra Yildiz Domanic, Yilmaz Umut Aslan, Yasemin Kulak Ozkan

Purpose: The aim of this study is to evaluate the 10-years of clinical performance of zirconia- ceramic posterior fixed partial dentures.

Materials and Methods: Eighteen patients were included to this study. The study is conducted with patients treated with zirconia-ceramic posterior fixed partial dentures. A total of 18 patients are enrolled to this study. Twenty-seven zirconia-ceramic posterior fixed partial dentures were evaluated. Thirteen of restorations were 3-units and 14 of them were 4-units. Initial data were recorded immediately after cementation. Complications up to 10 years were recorded. At the 10-years recall, all restorations were re-evaluated. Clinical parameters were evaluated according to modified version of the California Dental Association (CDA) criteria. Patient satisfaction was evaluated using a 10-point visual analog scale (VAS). The analyzes of the study were made using the IBM SPSS V22 program.

Results: The median age of the people included in the study was 51 years/year (min=35, max=75). The median pontic length of the restorations participating in the study was 14.2 mm (min=6.2 mm, max=22.6 mm). The presence of fracture and chipping were not found statistically significant according to body length. In the CDA evaluation, a statistically significant difference was found between the initial evaluation and at 10-years evaluation in terms of the marginal integrity, anatomical form scores, color surface, and surface roughness. A significant difference was found between the initial evaluation and at 10-years evaluation in terms of patient general satisfaction and chewing efficiency.

Conclusion: It was concluded that long-term chipping or fracture in zirconia-ceramic restorations are common clinical complications, but fractures and chipping in zirconia restorations with short and long spans are not affected by pontic length.

Eren Aygun
Marmara University
Turkey

 


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