第二乳磨牙早失的间隙保持  

Space maintenance for the premature loss of the second primary molar

作　　者：张芷莲 彭怡然[1] 邹静[1] 王艳[1] Zhang Zhilian;Peng Yiran;Zou Jing;Wang Yan(Department of Pediatric Dentistry,West China Hospital of Stomatology,Sichuan University&State Key Laboratory of Oral Diseases&National Clinical Research Center for Oral Diseases,Chengdu 610041,China)

机构地区：[1]四川大学华西口腔医院儿童口腔科口腔疾病研究国家重点实验室国家口腔疾病临床医学研究中心,成都610041

出　　处：《中华口腔医学杂志》2019年第12期851-854,共4页Chinese Journal of Stomatology

基　　金：国家自然科学基金(81600864)。

摘　　要：第二乳磨牙早失后的间隙变化是错(牙合)畸形发生的重要因素之一,常增加正畸治疗需求.第二乳磨牙早失后应及时选择配戴合适的间隙保持器进行间隙保持,配戴时间为自第二乳磨牙早失至邻牙和继承恒牙顺利萌出为止.本文针对不同时期的第二乳磨牙早失间隙保持器的选择及临床应用进行综述,旨在提高口腔医师对间隙保持器重要性的认识,为临床选择及应用间隙保持器提供参考.Space reduction after the premature loss of the second primary molars is one of the important factors affecting the occurrence of malocclusion,often increasing the demand for orthodontic treatment.It has great significance to select and apply appropriate appliances to maintainthe space soon after the premature loss of the second primary molars.The space should be maintained until the adjacent teeth and the successors erupt successfully.This review summarizes the selection and clinical application of the space maintainer for the premature loss of the second primary molars in different periods,to improve dentists′awareness of the importance of space maintainers and to provide advises for clinical choices.

关 键 词：间隙保持 牙 乳 第二乳磨牙早失 

分 类 号：R78[医药卫生—口腔医学]