牙冠延长手术  

Crown lengthening surgery

作　　者：栾庆先[1] 

机构地区：[1]北京大学口腔医学院.口腔医院牙周科,北京100081

出　　处：《中国实用口腔科杂志》2013年第4期205-207,共3页Chinese Journal of Practical Stomatology

基　　金：国家临床重点专科建设项目

摘　　要：牙冠延长手术保留了大量的残根、残冠,但也带来了医疗纠纷的隐患。选择好手术适应证及充分的交流是手术成功的关键。临床检查包括断端的位置、角化龈的宽度、系带的附丽、冠根比、根分叉病变等情况。为了充分地暴露断端,保留角化龈的宽度,必须采取不同的手术方式。A number of residual roots of the tooth were re-served by crown lengthening surgery. At the same time this surgery put us at the risk of medical tangle. It is a key of suc-cess to correctly selcet surgery indications and communicate. Clinical examination includes： the location of the margin of root, the width of keratinized gingiva, frenum position, the ra-tio of crown and root and furcation involvement. In order to ex-pose residual roots of the tooth and maintain the width of kera- tinized gingival, the different incision design and reposition of flap must be performed.

关 键 词：牙冠延长手术 生物学宽度 骨切除 根向复位瓣 

分 类 号：R78[医药卫生—口腔医学]