The evolutionary reducation of human jaw size, is due to modem diet that does not require much effort on mastication, wh......

目的 探讨改良Nance弓在矫治上颌腭侧埋伏尖牙时矫治力方向设计及支抗设计的作用.方法 7例单侧上颌腭侧埋伏尖牙均采用外科-正畸联......

患者女,14岁,因“上颌左侧中切牙不正”就诊于首都医科大学附属北京口腔医院;无系统性疾病史及家族遗传史。查体:全身状况良好,颌......