在初级牙中使用的三种根管材料的推出键强度:实验室研究
Hazal Özer1, Merve Abaklı İnci1, Sevcihan Açar Tuzluca1
1Department of Pediatric Dentistry, Faculty of Dentistry, Necmettin Erbakan University, Konya, Turkey.
Frontiers in dental medicine
|February 7, 2025
概括
生物因子MTA在母牙中的氧化基密封剂相比,对根管牙具有更强的结合强度. 这一发现对于在儿科牙科中有效的根管填充至关重要.
科学领域:
- 儿科牙科 儿科牙科
- 牙科材料科学 牙科材料科学
- 牙周内科医院 牙周内科医院 牙周内科医院
背景情况:
- 主要牙根管填充材料需要与根管壁的良好粘合强度才能成功治疗.
- 在临床实践中,评估像BIOfactor MTA这样的新材料以及传统的氧化基密封剂是必不可少的.
- 了解材料-组织相互作用是儿童内牙科长期修复成功的关键.
研究的目的:
- 为了比较三个主要牙根运河填充材料的结合强度:Calplus,DiaPaste和BIOfactor MTA.
- 评估这些材料对初级牙根管牙的推出键强度.
- 为了确定BIOfactor MTA是否与氧化基密封剂相比具有更高的粘附性.
主要方法:
- 从根的中间三分之一开始,三十颗主要的中央牙被切成2毫米厚的圆盘.
- 根管填充材料被放置在牙盘上,并在37°C和100%湿度下化一周.
- 使用不钢活塞进行了推出测试,并使用曼-惠特尼U测试分析了数据.
主要成果:
- 在被测试的初级牙根管密封器中,观察到结合强度的统计学上显著差异 (p < 0.05).
- 生物因子MTA表现出最高的结合强度 (24.24 ± 17.78 MPa),显著优于Calplus (0.43 ± 0.28 MPa).
- 生物因子MTA与根管牙的结合强度明显高于氧化基密封剂的结合强度.
结论:
- 与Calplus和DiaPaste相比,BIOfactor MTA对主要牙根管牙的结合强度显著更高.
- 研究结果表明,BIOfactor MTA是由于其优异的粘附性而成为母牙根运河填充的有希望的材料.
- 进一步的研究可能会探索BIOfactor MTA在儿科内牙科的长期临床疗效和生物相容性.
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