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在植入物支持的部分固定的假牙材料的比较:一个随机对照试验
Jan Kowar1,2, Alberto Turri1, Victoria Stenport1,2
1Brånemark Clinic, Public Dental Health Care Service, Region of Västra Götaland, Gothenburg, Sweden.
Clinical implant dentistry and related research
|February 11, 2026
概括
单立体,贴面,和陶植入物支持的固定牙假体 (FDPs) 显示在一年后的高生存率. 单质石FDP显示出优越的耐用性,没有观察到破碎并发症.
科学领域:
- 牙科植入物学 牙科植入物学
- 牙修复 牙修复 牙修复 牙修复 牙修复
- 在牙科的材料科学.
背景情况:
- 固定牙假体 (FDPs) 对于恢复缺牙患者的功能和美观至关重要.
- 高透光和陶等材料的进步为植入物支持的修复提供了各种选择.
- 评估不同FDP材料的临床性能对于长期治疗成功至关重要.
研究的目的:
- 为了比较由单体高透光,面板高透光和陶制成的植入式部分FDP的1年临床性能.
- 评估假肢和植入物存活率,生物和技术并发症以及边际骨水平变化.
- 提供基于证据的见解,了解这些材料对后期FDP的适用性.
主要方法:
- 一个随机对照试验涉及49名参与者,需要后部植入物支持的FDP.
- 参与者被分配到三个组:单质 (MZ),面 (VZ) 和陶 (TC).
- 在1年的随访期间进行了临床和放射性评估,重点关注生存,并发症和骨水平.
主要成果:
- 整体假肢生存率为96.8%,其中MZ为100%,VZ为95%,TC为95%.
- 单质石FDP没有出现裂变,而TC (11.1%) 和VZ (5.0%) 则出现裂变. 在一个MZ FDP中发生了螺丝松动.
- 整体植入物存活率为99.2%,生物并发症最小 (植入周围粘膜炎为8.3%). 边缘骨水平没有发现显著差异.
结论:
- 短跨度,植入物支持的部分FDPs,由单质石,面板石和陶制成,在后部区域表现出高临床生存率在一年.
- 与面材料相比,单立式石似乎提供了优越的抗破裂性.
- 建议进行长期研究,以充分确定这些FDP的耐用性和临床性能.
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