Prospective Evaluation of Posterior Fixed Zirconia Dental Prostheses: 10-Year Clinical Results

The International Journal of Prosthodontics
S RinkeMatthias Rödiger

Abstract

To investigate the clinical survival and success rates of conventionally luted three- and four-unit fixed dental prostheses (FDPs) with zirconia frameworks (Cercon Smart Ceramics, DeguDent) after a mean observation period of 119 ± 36 months. A total of 75 patients were treated in the Department of Prosthodontics at the University of Goettingen, Germany, and a total of 99 posterior FDPs were inserted and luted with zinc phosphate cement. Time-dependent survival and success rates were calculated using Kaplan-Meier curves, and their relationships with the type of veneer (ceramic), location (maxilla vs mandible), and span length (three-unit vs four-unit) were analyzed with a Cox regression model (P < .05). Of the 99 inserted FDPs, 24 were lost to follow-up, 51 remained functional and passed the 10-year examination (overall survival rate: 75.0%; 95% confidence interval [CI]: 0.64, 0.85), and 13 were absolute failures caused by technical events (technical survival rate: 84%; 95% CI: 0.64, 0.85). In 50 FDPs, relative failure required a clinical intervention to maintain function (overall success rate: 40%; 95% CI: 0.29, 0.52). For 35 of these FDPs, the relative failure was caused by technical events (technical success rate: 61%; 95% CI...Continue Reading

Citations

Aug 4, 2020·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Ahmad M Al-ThobityYousif A Al-Dulaijan
Feb 13, 2019·Journal of Dental Research·M R KaizerY Zhang
Dec 2, 2020·BMC Oral Health·Ragai-Edward MattaLara Berger
Nov 6, 2020·The Journal of Advanced Prosthodontics·Lucas Campagnaro MacielLaís Regiane Silva-Concílio
Oct 31, 2021·Journal of Oral Rehabilitation·Ragai-Edward MattaLara Berger

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