[雪的老化后比较研究和常规的树脂修复有缺陷的母牙]
Manman Han1, Jing Lü1, Jian Guan1
1Dept. of Pediatric Dentistry, School of Stomatology, The First Affiliated Hospital of Harbin Medical University, Harbin 150000, China.
概括
与分层填充和线方法相比,雪技术在初级牙修复中显著提高了树脂粘合强度. 这种技术还提高了边缘完整性,并减少了老化后的纳米微漏.
科学领域:
- 牙科材料科学
- 儿童牙科
- 恢复性牙科
背景情况:
- 牙修复需要耐用且适合使用的材料.
- 评估不同的树脂结合恢复技术对于临床成功至关重要.
- 对债券强度和边际完整性的衰老影响是严重的担忧.
研究的目的:
- 为了比较剪接强度,边际适应性和老化后的纳米微漏.
- 评估三种技术:雪,分层填充和层.
- 评估它们在有缺陷的母牙的树脂结合修复中的有效性.
主要方法:
- 使用了51颗主要前牙和30颗主要牙.
- 牙的修复使用了多层填充,层和雪技术.
- 在老化后测量了剪接强度,边缘完整性和银离子纳米微漏.
主要成果:
- 雪和层技术显示的剪接强度明显高于分层填充 (P<0.05).
- 在雪和层组之间没有发现重要的结合强度差异 (P>0.05).
- 在三组中没有观察到临界完整性或纳米微漏的统计学意义上的差异 (P>0.05).
结论:
- 雪技术在牙修复中表现出优越的结合强度.
- 虽然除雪机技术在统计学上并不显著,但在边缘完整性和减少纳米微漏洞方面显示出有希望的结果.
- 雪技术是改善母牙树脂结合修复的可行选择.
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The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or grinding food.