正畸牵引在牙根保存治疗中的临床应用  

Clinical application of orthodontic extrusion in the management of fractured/diseased teeth with lesions below the gingiva

作　　者：李旭东[1] 楼志峰[2] LI Xudong LOU Zhifeng(Dental Clinic, Xiasha Hospital District, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, ＆ Xiasha Hospital ofHangzhou, Hangzhou 310018, China)

机构地区：[1]浙江大学医学院附属邵逸夫医院下沙院区.杭州市下沙医院牙科,浙江杭州310018 [2]浙江大学医学院附属邵逸夫医院庆春院区牙科,浙江杭州310016

出　　处：《口腔医学》2017年第9期819-822,共4页Stomatology

摘　　要：目的探讨正畸牵引在牙根保存治疗中的疗效。方法选择病损或折断至龈下的24颗患牙。正畸牵引后行桩核及烤瓷冠修复,评价分析治疗效果。结果 24颗患牙中22颗达到临床标准,患牙得以保留。2颗治疗失败,其中一颗牵引完成后松动,另一颗发生牙周病。结论正畸牵引在牙根保存治疗中的疗效理想,该技术使无法保守治疗或治疗效果不理想的患牙得以较好的保留。Objective To evaluate the effect of orthodontic extrusion on the management of fractured/diseased teeth.Methods A series of procedures were designed and applied to manage 24 cases with orthodontic extrusion to elevate the fracture or diseased line of the teeth supragingivally and surgical recontouring of the altered gingival margin.Finally,the teeth were restored prosthodontically.Prosthetic treatment was based on performing a post and core,and porcelain crown on the extruded teeth.Results The management leaded to good effect in 22 cases avoiding extraction of the teeth.Two failures included one loose tooth and the other periodontal abscess after orthodontic extrusion.Conclusion Orthodontic extrusion is an effective practice in managing tooth lesions below the gingiva as a conservative method.

关 键 词：正畸牵引 残冠残根 牙折断 冠根折 桩核冠修复 

分 类 号：R783.5[医药卫生—口腔医学]