蚀刻剂类型对正义牙科支架与牙 enamel 的剪接强度的影响
General dentistry
|February 27, 2024
概括
酸 (PA) 和甘油酸 (GA) 提供强大的支架粘附,但GA在质上显示的粘附残留较少. 酸 (FA) 导致键强度显著降低.
科学领域:
- 牙科材料科学 牙科材料科学
- ортодонтическая粘附 ортодонтическая粘附 在正统的牙上
- 表面处理 表面处理
背景情况:
- 金属支架与牙质的结合在牙矯正中至关重要.
- 乳蚀刻是一种标准的预处理步骤.
- 蚀刻的选择可以影响结合强度和解结合特性.
研究的目的:
- 为了比较金属牙科支架的剪接强度 (SBS),使用三种不同的蚀刻方法将其粘合到面上.
- 根据使用的蚀刻剂来评估脱后的粘合残留指数 (ARI).
- 为了确定酸,甘油酸和酸在正牙支架粘附中的有效性.
主要方法:
- 三十个前被分为三个组 (n=10) 用35%的酸 (PA),35%的甘油酸 (GA) 或35%的酸 (FA) 治疗.
- 在用光固化树脂粘合支架之前,涂表面被蚀刻,冲洗和空气干燥.
- 切割键强度 (SBS) 在24小时后进行测试,粘附残留指数 (ARI) 在解锁后进行评估.
主要成果:
- 与FA组相比,PA和GA组的SBS显著更高 (P = 0.0003).
- 粉组的ARI显著高于GA和FA组 (P <0.05),表明更多的粘合剂留在了面膜上.
- 与PA相比,GA导致牙上粘合剂残留的百分比较低.
结论:
- 酸 (PA) 和甘油酸 (GA) 都是有效的蚀刻剂,可以实现可靠的金属支架粘合到质上.
- 葡萄糖酸 (GA) 可能通过在面膜剥离后在面膜表面留下较少的粘合残留而带来优势.
- 与PA和GA相比,酸 (FA) 作为牙甲蚀刻剂对正牙支架粘合的效果较差.
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