Objective To explore how to regain artistic of diastem of anterior teeth extraction of adult orthodontic.结论:该方法对成人正畸时前牙区拔牙间隙的临时性修复不失为一种有效而可行的方法....

diastem的音标：diastem的英式发音音标为：['daɪə'stem]diastem的美式发音音标为：['daɪəˌstem]...

n.沉积暂停期，小间断...