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聚甲基甲酸和热成型冠状作为初级大的半永久冠状的比较评估:一个活体研究
Niharika Matha1, Kotha Sudheer Kumar2, Bv Thimma Reddy2
1Department of Pedodontics and Preventive Dentistry, SVS Institute of Dental Sciences, Mahbubnagar, Telangana, India.
聚甲基甲酸盐 (PMMA) 和热成型皇冠是恢复初级牙的不钢皇冠 (SSC) 的有效替代品. 这些美学选择在儿科患者中显示出与传统的SSC相比,具有可比的临床效率和结果.
科学领域:
- 儿科牙科 儿科牙科
- 恢复性牙科 恢复性牙科
- 牙科材料 牙科材料
背景情况:
- 落叶的牙通常需要全覆盖的冠状恢复.
- 对于初级牙,人们正在寻找不钢冠冕 (SSC) 的审美替代品.
- 聚甲基甲酸 (PMMA) 和热成型的皇冠提供了潜在的美学解决方案.
研究的目的:
- 评估PMMA和热成型皇冠的临床效率.
- 为了比较这些美观的皇冠与SSC用于恢复主要牙.
- 在三个月的时间内评估各种临床和放射性参数.
主要方法:
- 一项随机临床试验,涉及儿科患者的45个初级牙.
- 建立了三个组:PMMA冠,热成型冠和SSC.
- 临床和放射性评估包括牙健康,保留,边缘完整性和染色在基线,1个月和3个月.
主要成果:
- 对于斑块得分,牙指数,闭塞,近位接触,保留,对齐和边缘适应,这些组之间没有发现统计学上显著的差异.
- 在1个月后,PMMA和热成型组之间在变色 (染色) 中发现了统计学上显著的差异 (p=0.04和p=0.03).
- 组内分析显示,SSC组的斑块分数显著,热成型组的牙指数分数显著.
结论:
- PMMA和热成型冠可以作为SSCs的可行替代品,用于初级骨恢复.
- 这些美观的冠状表现出与标准SSC相比的临床性能.
- 对染色等特定参数进行进一步调查可能是有必要的.
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