开发和评估一个新的正统牙连接器:摩擦力分析
Jaisson Cenci1, Mauro Carlos Agner Busato2, Veridiana Camilotti2
1Faculty of Dentistry, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil.
European journal of dentistry
|June 13, 2023
概括
金属H接,被动自接支架和"8"低摩擦弹性接在正牙治疗中提供了最低的摩擦. 传统的弹性和紧紧的金属带表现出最高的摩擦,影响处理效率.
科学领域:
- 矯正牙科 矯正牙科是一種矯正牙科.
- 生物材料工程 生物材料工程
- 牙科机械 牙科机械
背景情况:
- ортодонтика治疗依赖于高效的力传递,其中带摩擦显著影响治疗持续时间和结果.
- 传统的带可以产生大量的摩擦,可能会阻碍牙的最佳运动.
- 新的低摩擦带正在开发中,以改善正牙机制.
研究的目的:
- 为了比较与传统的正牙支架使用的各种绑架类型产生的摩擦力.
- 为了评估一个新设计的3D打印树脂H绑架,以低摩擦性能.
- 为了确定最优的绑定选项,以减少 ортодонтика治疗中的摩擦.
主要方法:
- 测试了七组:树脂H绑定 (H3D),金属H绑定 (HFM),被动自绑定支架 (SLP),"8"低摩擦弹性 (LT8),松散金属绑定 (MLS),拉紧金属绑定 (MLT) 和常规弹性绑定 (CEL).
- 静态摩擦测试使用通用测试机 (EMIC DL 2000) 进行.
- 由于数据分布异常,采用了非参数统计分析 (克鲁斯卡尔-瓦利斯和恩测试).
主要成果:
- 最低的摩擦值观察到的是金属H接 (HFM),被动自接支架 (SLP) 和"8"低摩擦弹性 (LT8),它们之间没有显著差异.
- 通过3D打印的树脂H接 (H3D) 证明了中间摩擦.
- 传统的弹性带 (CEL) 和完全紧紧的金属带 (MLT) 显示出最高的摩擦力.
结论:
- 金属H联接,SLP和LT8代表了对正牙应用的有效低摩擦选项.
- 与传统方法相比,新型树脂H绑定显示了减少摩擦的潜力.
- 尽量减少带摩擦对于优化正义牙科治疗效率和患者结果至关重要.
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