四川医学2012，Vol.33Issue(1)：58-60,3.
改良牙冠延长术与正畸牵引加牙冠延长术治疗上前牙龈下牙体缺损的疗效比较
A comparative study of the clinical effects on the treatment of the subgingival defects of the upper anterior teeth by modified crown lengthening surgery and by crown lengthening surgery with orthodontic traction
雷琼 1陈燕1
作者信息
- 1. 成都市妇女儿童中心医院口腔科,四川成都610091
- 折叠
摘要
Abstract
Objective The purpose of the study is to compare the clinical effects on the treatment of the subgingival defect of the upper anterior teeth by modified crown lengthening surgery and by crown lengthening surgery with Orthodontic traction. Methods 54 upper anterior teeth from 46 patients were divided into two groups randomly, including 27 teeth in the observation group treated by crown lengthening surgery with orthodontic traction and 27 in the control group treated by modified crown lengthening surgery. The difference of indexes before and after treatment in the two groups. Results The indexes such as PPD, GI and TM were improved statistically after treatment ( P < 0.05) , and there was no statistically significant difference between these two groups ( P >0.05 ) . Conclusion Both the modified crown lengthening surgery and the crown lengthening surgery with orthodontic traction can be applied to treat the subgingival defect of the upper anterior teeth.[ Key words ] modified crown lengthening surgery; crown lengthening surgery with orthodontic traction; subgingival defects关键词
改良牙冠延长术/正畸牵引牙冠延长术/上前牙龈下牙体缺损/临床疗效Key words
of the upper anterior teeth/ clinical effects分类
医药卫生引用本文复制引用
雷琼,陈燕..改良牙冠延长术与正畸牵引加牙冠延长术治疗上前牙龈下牙体缺损的疗效比较[J].四川医学,2012,33(1):58-60,3.
