纤维增强复合树脂的结合强度比较:不同的牙条件和制备技术
Merve Ağaccıoğlu1, Emine Sirin Karaarslan2, Fatma Aytac Bal3
1Department of Restorative Dentistry, Faculty of Dentistry, Bolu Abant Izzet Baysal University, Bolu, Turkey.
Microscopy research and technique
|February 10, 2024
概括
纤维增强复合树脂表现出良好的结合强度,优于传统和散装填充类型,特别是在健全的牙上. 腔制备方法没有显著影响债券强度结果.
科学领域:
- 牙科材料科学 牙科材料科学
- 生物材料工程 生物材料工程
背景情况:
- 牙科修复需要复合树脂和牙结构之间的耐用粘合接口.
- 传统和批量填充复合树脂在实现最佳结合强度方面存在局限性,特别是在具有挑战性的牙条件下.
- 纤维增强复合材料提供了增强机械性能和增强粘合力的潜力.
研究的目的:
- 为了比较纤维增强复合树脂与传统和散装复合树脂的剪接强度.
- 评估不同牙条件 (声音与非矿物化) 和腔腔准备技术 (钻石与Er:YAG激光器) 对粘合强度的影响.
- 为了确定最佳的复合树脂和制备方法,以获得卓越的结合强度.
主要方法:
- 准备了80个牙,闭口牙表面经过了去矿化处理.
- 根据复合树脂类型,样品被分为四组:Filtek Z250,G-aenial后部,SonicFill 2和EverX后部.
- 使用钻石或Er:YAG激光器准备了腔,并测量了剪接强度.
- 使用立体显微镜分析故障模式,并进行SEM成像.
主要成果:
- 牙表面状况显著影响了结合强度 (p < .05),而健全的牙产生了更高的值.
- 在钻石和Er:YAG激光制备方法之间没有观察到键强度的显著差异 (p > .05).
- 纤维增强复合材料EverX Posterior在所有组件中表现出最高的剪接强度.
结论:
- 与传统和散装复合材料相比,纤维增强复合树脂,如EverX Posterior,表现出成功和优越的结合强度.
- 音声牙为复合树脂粘附提供了比损或去矿性牙更有利的基材.
- 在这种情况下,Er:YAG激光制备是机械方法的可行的替代方案,不会影响键的强度.
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