四川医学2012，Vol.33Issue(10)：1726-1728,3.
两种排龈方法在楔状缺损修复中的应用研究
Study of two gingival retraction techniques used in restoring cervical abrasion lesions
王聪1
作者信息
- 1. 成都市第三人民医院口腔科,四川成都610031
- 折叠
摘要
Abstract
Objective To investigate the influence of two gingival retraction techniques on the periodontium and clinical performance before the restoration of cervical lesion. Methods 150 teeth with cervical lesion of 50 patients were selected. The teeth were divided into 3 groups randomly. In the experiment group, a conventional retraction cord ( Ultrapaks) and a paste-like material (Expasyls) were applied on the buccal aspects of each subject. In the control group, no gingival retraction techniques was applied before restoration and filled directly. Bleeding on probing and the pain were assessed after application. The retention, marginal adaptation, the presence of secondary caries and the GI after one year were evaluated . Data were analysed using Chi-Square and Kruskal - Wallis tests (a = 0. 05). Results There were significant difference between the rates of subjective feeling of the Ultrapaks and Expasyls. Bleeding was only induced by Ultrapaks in five subjects. After one year, the differences between the experimental and control groups in GI and marginal adaptation were of statistical significance ( P < 0.05 ). While there were no significant difference between the two control groups. The retention of the restoration and the presence of secondary caries were not statistically significant among the 3 groups. Conclusion Utilization of gingival retraction techniques before the restoration of cervical lesions can efficiently improve the quality of the restoration and the two gingival retraction methods were not statistically significant. The cordless gingival retraction technique is more easy, feasible, rapid than the retraction cord.关键词
楔状缺损/排龈术/排龈膏/牙龈指数Key words
cervical abrasion lesions/gingival retraction/ cordless techniques/ gingival index分类
医药卫生引用本文复制引用
王聪..两种排龈方法在楔状缺损修复中的应用研究[J].四川医学,2012,33(10):1726-1728,3.
