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使用超声波尖端进行纤维后去除:使用不同协议进行的比较体外研究.

Ricardo Honda1, Lauter E Pelepenko1, Mabelle F Monteiro2

  • 1Department of Restorative Dentistry, School of Dentistry of Piracicaba, State University of Campinas, Piracicaba, São Paulo, Brazil.

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PubMed
概括
此摘要是机器生成的。

使用连续激活超过20秒而不冷却的超声波去除玻璃纤维柱 (GFPs) 可以增加根温度并导致牙显著损失. 建议使用较短的激活时间,以确保更安全的后移除.

关键词:
牙周内科 牙周内科是指牙周内科.玻璃纤维增强聚合物的聚合物.在去除纤维后进行纤维切割.超声波是一种超声波.射线微型计算机断层扫描.

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科学领域:

  • 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:

  • 玻璃纤维柱子 (GFPs) 在内牙修复中被广泛使用.
  • 有效和安全地去除GFPs对于重新处理至关重要.
  • 超声波设备通常用于后拆除.

研究的目的:

  • 评估不同超声波激活协议的效果和安全性,用于玻璃纤维后去除.
  • 评估冷却和激活时间对移除时间,温度增加,残留物质和牙损失的影响.

主要方法:

  • 使用了36个经过内牙治疗的牙,用固的10毫米GFPs进行了治疗.
  • 测试了三种超声波去除协议:20s有冷却,20s没有冷却,40s没有冷却.
  • 测量了去除时间,外根表面温度,残留物质和牙损失.
  • 微计算机断层扫描和ANOVA用于数据分析.

主要成果:

  • 在协议之间没有发现移除时间或残留物质的显著差异.
  • 连续40s超声波激活没有冷却导致最高的根表面温度,特别是在顶部地区.
  • 与其他组相比,没有冷却的40年代协议也导致了明显更大的牙损失.

结论:

  • 玻璃纤维拆除后的超声波激活时间不应连续超过20秒,尤其是在不冷却的情况下.
  • 长时间的激活会增加热损伤和过度牙损失的风险.
  • 仔细考虑超声波参数对于安全有效的后去除程序至关重要.