[1]刘颖熠,田福聪,王晓燕,等.放大系统对复合树脂修复体修形抛光效果的影响[J].牙体牙髓牙周病学杂志,2013,23(12):791-794.
　LIU Ying-yi,TIAN Fu-cong,WANG Xiao-yan,et al.Application of dental loupe for finishing and polishing of composite restorations[J].Chinese journal of conservative dentistry,2013,23(12):791-794.
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放大系统对复合树脂修复体修形抛光效果的影响
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《牙体牙髓牙周病学杂志》[ISSN:1006-6977/CN:61-1281/TN]

卷:
23
期数:
2013年12期
页码:
791-794
栏目:
临床经验总结
出版日期:
2013-12-31

文章信息/Info

Title:
Application of dental loupe for finishing and polishing of composite restorations
作者:
刘颖熠; 田福聪; 王晓燕; 王春莲; 高学军
北京大学口腔医学院牙体牙髓科, 北京 100081
Author(s):
LIU Ying-yi;  TIAN Fu-cong;  WANG Xiao-yan;  WANG Chun-lian;  GAO Xue-jun
Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology, Beijing 100081, China
关键词:
修形抛光;  牙科放大系统;  边缘着色
Keywords:
finishing and polishing;  loupes;  marginal stain
分类号:
R783.1
文献标志码:
B
摘要:
目的: 通过体外观察复合树脂修复体边缘着色，评价牙科放大系统在直接粘结修复体修形抛光中的作用。方法：选择20个完整上颌前磨牙，在颊（舌）面制洞，使用粘结剂Adper Prompt和树脂Tetric N Ceram直接粘结修复。修复体随机使用传统（C）或放大系统辅助（C+L）修形抛光技术。1周后将牙齿进行染色并对修复体边缘着色进行分区评价。结果：修复体边缘着色主要由于粘结剂/复合树脂存留于牙齿表面造成。C技术和C+L技术的修复体边缘着色评分分别为4.6±1.7和3.4±2.0（P<0.05）。结论：使用牙科放大系统能有效提高复合树脂直接粘结修复体修形抛光效果，减少边缘着色。
Abstract:
AIM: To evaluate the effects of dental loupe on finishing and polishing of direct composite restorations by marginal stain in vitro. METHODS:Class V cavities were prepared on buccal and lingual surfaces of 20 extracted sound premolars. All cavities were restored with adhesive Adper Prompt and composite resin Tetric N Ceram. After placement of the restorations, they were finished and polished with traditional technique in a sequence of F104R，SF104R，OneGloss and CompoMaster technique (C) and technique C with the aid of magnifying dental loupe (magnification×2.5) (C+L) respectively（n=10）. After 1 week of water storage, the restored teeth were immersed in black tea solution for 3d and the marginal stain of the restorations was measured by two evaluators. The margin of restorations was demarcated into 8 zones and each zone was indicated as score 1 when it was stained. RESULTS: The marginal stain of restorations finished/polished with C technique and C+L technique were 4.6±1.7 and 3.4±2.0 respectively (P<0.05). The marginal stain was mainly related to the composite resin/adhesive remained on the tooth surface. CONCLUSION:Finishing and polishing the composite restoratives under dental loupe can decrease marginal stain.

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更新日期/Last Update: 2013-12-30