在热诱导的内牙消毒过程中的周周温度变化和风险管理在体外消毒过程中
Theresia Saban1, Lea Külzer1, Andreas Braun1
1Department of Operative Dentistry, Periodontology and Preventive Dentistry, RWTH Aachen University, 52074 Aachen, Germany.
Journal of clinical medicine
|June 13, 2025
概括
牙周血液流量显著减少 牙周内消毒期间根表面温度升高. 这种保护效应建议在热消毒协议中考虑血液流动,以获得更安全的内牙治疗.
科学领域:
- 生物医学工程 生物医学工程
- 牙周内科医院 牙周内科医院 牙周内科医院
- 牙科材料科学 牙科材料科学
背景情况:
- 包括激光和等离子器件在内的内牙消毒程序可以提高根表面温度.
- 了解牙周血流对温度变化的影响,对于临床安全至关重要.
- 这项研究研究了各种消毒方法的热效应,模拟了牙周血流.
研究的目的:
- 为了评估模拟牙周血流在内牙消毒过程中对根表面温度的影响.
- 为了测试假设牙周血流减轻了消毒过程中的温度升高.
主要方法:
- 提取的人类牙经过了根管制备,并被密封在一个模拟液体循环的热成型板中.
- 应用了各种消毒方法,包括二极管激光 (445nm和970nm),实验性等离子体装置,热插头和二 (NaOCl).
- 用红外摄像头监测根表面温度变化,并进行统计分析.
主要成果:
- 最低的温度升高 (中位数为0.82°C) 是在0.6W (连续波) 和6mL/分钟循环的445nm二极管激光器中观察到的.
- 温度的最高升高 (中位数为21.7°C) 发生在3W的445nm二极管激光器 (脉冲,75%工作周期) 中,并且没有流体循环.
- 模拟血液流动在大多数测试过的消毒方法中显示出显著的热保护作用.
结论:
- 激光,NaOCl和血消毒可以增加根表面的温度,但模拟的血流可以减轻这些影响.
- 热插头是唯一一种独立于流体循环的显著温度变化方法.
- 实验室检测结果表明,牙周血流起着保护作用,需要在临床热消毒方案中考虑.
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