30-Year Clinical Performance of Double-Crown-Retained Removable Partial Dentures-A Practice-Based Retrospective Study.

IF 1.8 The International journal of prosthodontics Pub Date : 2025-07-22 DOI:10.11607/ijp.9148

Lea S Prott, Zara A von Zitzewitz, Ralph Brinks, Robert Teeuwen, Alfons Hugger, Petra C Gierthmuehlen

引用次数: 0

Abstract

This retrospective study evaluated the clinical long-term survival of 1,405 double-crown retained removable partial dentures (DRPDs) over 30 years of follow-up. Kaplan-Meier survival rates for DRPDs were 96.6% after 5 years, 88.2% after 10 years, 61.7% after 20 years, and 38.3% after 30 years. Survival rates of abutment teeth were 94.3% after 5 years, 80.2% after 10 years, 51% after 20 years, and 27% after 30 years. Key failure risk factors of DRPDs were age, ≤ 3 abutment teeth, and complete denture in opposing jaw. Abutment teeth failure risk factors included age, anterior abutment teeth, punctual support, and nonvital teeth.

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双冠固位可摘局部义齿的三十年临床表现--一项基于实践的回顾性研究。

这项回顾性研究评估了1405颗双冠固位可摘局部义齿（DRPD）30年来的临床长期存活率。双冠固位可摘局部义齿 5 年后的卡普兰-梅耶尔存活率为 96.6%，10 年后为 88.2%，20 年后为 61.7%，30 年后为 38.3%。基牙的存活率为 5 年后 94.3%，10 年后 80.2%，20 年后 51%，30 年后 27%。DRPD失败的主要风险因素是年龄、3英镑基牙和对颌的全口义齿。基牙失败的风险因素包括年龄、前基牙、准时支持和非活牙。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The International journal of prosthodontics

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