牙咬伤对前部超咬伤的影响
The International journal of prosthodontics
|August 22, 2025
概括
这项研究表明,较大的咬牙器和后部放置在牙上显著减少了前部切口超咬牙. 这种效应在个体之间有所不同,观察到一致的咬伤增加与超咬伤减少的比率.
科学领域:
- 牙科学
- 牙整形
- 生物机械工程
背景情况:
- 这是一个常见的牙科问题.
- 在正牙科中使用咬牙器械来控制超咬牙.
- 对于治疗计划来说,了解不同的咬器设计的有效性至关重要.
研究的目的:
- 用钢轴承球来评估第一和第二咬对前部切口超咬的影响.
- 通过不同尺寸的咬器来比较咬量减少.
- 在临床前和临床环境中评估测量的可靠性.
主要方法:
- 这项研究使用了23名年轻成年人的牙造型和口腔扫描.
- 在第一个和第二个牙上放置了2mm和3mm直径的不钢轴承球.
- 在临床前通过成型和临床通过数字扫描测量过度咬伤的变化.
主要成果:
- 这两个2mm和3mm轴承球显著减少前部超咬.
- 较大的球 (3毫米) 和后部放置 (第二) 导致了较大的超咬伤减少.
- 临床前和临床测量结果相似,可靠性很好 (ICC).
结论:
- 咬牙器的大小和牙位置直接影响过度咬牙的减少.
- 2毫米球的咬伤升高率与超咬伤降低率约为1. 6:1,3毫米球的咬伤升高率约为1. 4:1.
- 在对咬的反应中观察到显著的个体间变异性.
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