描述和评估3个单注射液压水泥基密封器的物理性能
Veksina Raman1, Josette Camilleri1
1School of Dentistry, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom.
Journal of endodontics
|January 14, 2024
概括
生物陶根管密封剂尽管具有相似的组件,但显示出各种各样的特性. 测试材料性能对于临床适用性至关重要,因为所有评估的密封剂都超过了溶解性标准.
科学领域:
- 牙周内科医院 牙周内科医院 牙周内科医院
- 材料科学 材料科学 材料科学
- 生物材料是一种生物材料.
背景情况:
- 生物陶密封剂是为了生物活性而销售的,但具有不同的特性.
- 这些变化会影响根管治疗的质量和结果.
- 这项研究比较了三种基于水力水泥的密封器:BC Universal,Totalfill BC和AH Plus生物陶.
研究的目的:
- 评估和比较BC通用密封剂,Totalfill BC密封剂和AH Plus生物陶的物理和化学性能.
- 根据既定标准评估它们适合临床使用的情况.
主要方法:
- 使用扫描电子显微镜和能量分散光谱分析的微观结构和组成.
- 通过X射线衍射识别的晶体相.
- 使用感应合血进行液分析.
- 物理性质 (薄膜厚度,流量,辐射透明度,可溶性) 根据ISO 6876:2012在0,7和28天进行了测试.
主要成果:
- 所有密封器都含有,和.
- 在Totalfill BC中,释放率最高.
- 所有密封器都符合流量和辐射透明度的ISO标准.
- BC环球密封剂略高于薄膜厚度限制.
- 所有密封剂都超过了ISO可溶性极限.
结论:
- 在这些基于水力水泥的密封器中,物理和化学性能存在显著差异.
- 尽管有相似的组件,但性能不同,需要进行彻底的材料性质评估.
- 临床适用性需要通过严格的测试来确认,因为所有密封剂都显示出高溶解度.
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