对于牙支的固定部分假牙,应该使用什么闭口方案?
Charles Goodacre1, Gary Goldstein2
1Advanced Education Program in Implant Dentistry, Loma Linda University School of Dentistry, Loma Linda, California, USA.
概括
目前的证据不支持在自然牙上固定部分假牙的特定闭口方案. 需要进一步的研究,以确定牙科修复的最佳偏心和最大间位置 (MIP) 方案.
科学领域:
- 牙科假肢 牙科假肢
- 封闭科学科学 封闭科学
- 恢复性牙科 恢复性牙科
背景情况:
- 在自然牙上固定部分假牙 (FPD) 需要仔细考虑闭口方案.
- 现有的科学文献缺乏可靠的证据来指导针对FPD的特定闭合方案的选择.
研究的目的:
- 评估自然牙上FPD的异常下部运动和最大间位置 (MIP) 中的闭塞模式的科学证据.
主要方法:
- 使用PubMed进行了全面的文献搜索,其中包含与自然牙,牙堵塞和FPDs相关的关键词.
- 搜索包括各种研究类型 (病例报告,临床试验,随机对照试验,系统审查),但没有对自然牙的FPD产生相关引用.
主要成果:
- 三种自然牙异常闭合关系 (狗保护关节,群体功能,平衡闭合) 缺乏FPD的临床试验数据.
- 没有研究比较自然牙上FPD的闭塞模式,对于最大间位置 (MIP) 方案 (至,至边缘脊) 的证据是不够的.
- 群组功能在自然牙中比犬类受保护的关节更为普遍,但FPD的优越性尚未确定.
结论:
- 没有临床证据表明,对于自然牙上的FPD,一种古怪的闭合关系优于另一种.
- 目前对最大间位置 (MIP) 和异常运动中FPD的最佳闭合模式的理解有限,需要进一步研究.
- 修复应尽可能与患者现有的闭塞方案协调,避免非工作侧后部接触,并沿着MIP的牙长轴引导力量.
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