大量填充树脂复合材料的物理和机械性能,经过额外的聚合,用于半直接修复
B J Botrel1, M L Condi2, C P Turssi3
1Bruno Junqueira Botrel, DDS, MSc student, Restorative Dentistry Department, Faculdade São Leopoldo Mandic, Campinas, São Paulo, Brazil.
Operative dentistry
|November 27, 2024
概括
高粘度散装填充树脂复合材料在额外聚合后表现出不同的物理和机械性能. 在模拟刷后,没有一个与常规树脂的性能相匹配,材料之间的颜色稳定性差异很大.
科学领域:
- 牙科材料科学 牙科材料科学
- 聚合物化学 聚合物化学
- 恢复性牙科 恢复性牙科
背景情况:
- 大量填充树脂复合材料提供临床优势,但需要对其物理和机械性能进行评估.
- 附加聚合是一种用于提高树脂复合材料的性能,用于半直接修复的技术.
- 在模拟的临床条件下了解材料的行为对于可靠的牙科修复至关重要.
研究的目的:
- 评估五种高粘度散装填充树脂复合材料在额外聚合后的物理和机械性能.
- 为了比较这些散装填充材料与传统树脂复合材料在磨损和颜色稳定性方面的性能.
- 为了确定树脂成分对吸附,溶解性,微硬度,粗性,颜色稳定性和机械强度的影响.
主要方法:
- 五种散装树脂复合材料经过了额外的聚合.
- 评估的属性包括吸附性,溶解性,表面微硬度,表面粗性 (模拟刷前后),颜色稳定性 (咖啡染色),曲强度,弹性模量和弹性模量.
- 进行了统计分析来比较测试材料 (p<0.0001).
主要成果:
- 菲尔特克Z350 XT和菲尔特克一批量填充复原剂呈现出更高的吸附性;Aura批量填充显示出更高的溶解性.
- 菲尔特克Z350 XT表现出优越的微硬度. 所有测试的树脂在模拟刷毛后都显示了增加的粗度.
- 在咖啡染色后,Beautifil Bulk Restorative显示了最显著的颜色变化. 菲尔特克Z350 XT和菲尔特克One批量填充恢复器具有更高的屈曲强度,弹性模块和弹性模块.
结论:
- 高粘度散装填充树脂复合材料的物理和机械性能根据其组成而有很大差异.
- 在模拟磨损后,没有一个评估的散装填充树脂复制了传统树脂的表面微硬度和粗度.
- 颜色稳定性取决于材料,Beautifil Bulk Restorative显示出更容易染色的敏感性.
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