固定的部分假牙的五年临床性能单体和部分嵌的石固定的部分假牙
Christos Labis1, Rebecca Handermann1, Peter Rammelsberg2
1Assistant Professor, Department of Prosthodontics, University Hospital Heidelberg, University of Heidelberg, Heidelberg, Germany.
The Journal of prosthetic dentistry
|July 5, 2025
概括
单立体石固定部分假牙 (FPD) 在5年内显示出与层FPD相比的生存率. 然而,单立体设计显著减少了陶并发症,这表明陶在牙科修复中无缺陷生存的潜在优势.
科学领域:
- 牙科材料科学 牙科材料科学
- 牙修复 牙修复 牙修复 牙修复 牙修复
- 生物材料工程 生物材料工程
背景情况:
- 高强度的石提供了一个牙颜色的替代金属陶在牙假体.
- 嵌石复原容易发生陶破碎,这是一个重要的临床并发症.
- 单立体设计和改性假肢设计旨在改善结果,但临床数据有限.
研究的目的:
- 提供关于生存,成功和陶并发症的5年预后数据.
- 为了比较牙支的单立体与部分贴面的石固定部分假牙 (FPD).
- 评估由半透明的伊特里亚稳定四角形土聚晶 (Cercon ht) 制造的FPD.
主要方法:
- 一项观察性研究涉及52名参与者和68名FPD (34个单体,34个部分层).
- 2011年至2016年间交付的修复,数据收集到2022年12月.
- 卡普兰-梅尔生存分析和日志等级测试用于分析数据,平均观察期为6.0年.
主要成果:
- 累积的5年无故障存活率为单质的89.4%,部分层的FPD为81.9% (P=.640).
- 累积的五年无干预生存率为单质的83.7%,部分层的FPD为68.9% (P=.395).
- 在5年陶无缺陷存活率中观察到一个显著的差异:单质的100%与部分贴面的FPD的86.4% (P=.036).
结论:
- 牙支的单立体和部分贴面的石FPD在五年内表现出可比的存活率和成功率.
- 陶并发症仅在部分贴面的FPD中观察到.
- 单质石FPD在陶无缺陷生存方面具有显著的优势.
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