一项实验室试点研究,针对在声波振动后,可流动散装填充复合材料修复中的空隙,在牛类II和内牙通道腔中进行了实验
Philipp Körner1, Sandra C Gerber2, Cindy Gantner2
1Clinic of Conservative and Preventive Dentistry, Center of Dental Medicine, University of Zurich, Plattenstrasse 11, CH-8032, Zurich, Switzerland. philipp.koerner@zzm.uzh.ch.
Scientific reports
|October 30, 2023
概括
声波振动不会减少牙填充物的空隙. 在II类或内牙腔中,将声力应用于散装树脂基复合材料,没有任何好处,可能会增加空隙形成.
科学领域:
- 牙科材料科学 牙科材料科学
- 恢复性牙科 恢复性牙科
- 生物材料工程 生物材料工程
背景情况:
- 牙修复过程中形成的空隙可能会损害长寿.
- 大量填充树脂基复合材料 (RBC) 广泛使用,但需要适当的调整.
- 声波驱动应用是一种新的技术,有可能改善红细胞适应.
研究的目的:
- 为了调查是否有声驱动的应用散装填充RBC减少空白形成在II类和内牙接入腔.
- 为了比较不同的红细胞适应技术,包括声波振动,关于空隙减小.
主要方法:
- 使用了60个具有II类或内牙腔腔的牛牙.
- 用各种技术将空洞填充大量填充RBC:没有适应,探索者尖端扩散,低/高频声激活和超声间接激活.
- 虚空形成用微观图形学量化并进行统计分析.
主要成果:
- 高频声波激活 (C4) 导致II类修复中的空洞显著增加,而不是用探险者尖端 (C2) 扩散.
- 在所有技术中,对于内牙腔 (E1-E5) 没有发现空白百分比的显著差异.
- 总的来说,声波振动在减少空洞方面没有显示出任何空洞类型的好处.
结论:
- 大量填充树脂基复合材料的声波驱动应用在减少二级或内接入腔的空隙形成方面没有优势.
- 用探测器尖端进行手动扩张可能比对II类空洞的高频声波激活更有效.
- 目前的证据表明,在这些空腔制剂中放置散装复合材料时,使用声波振动没有益处.
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