premolar 1. maxillary first premolar 4 4 The biggest one of the premolar, the tip of the facial cusp is located distally to the midl ine

Incisors Common Characteristics: 1. crown: 4 axial surfaces 1 incisal ridge labiolingual quadrangle proximal: triangle 2. root: single, straight

Configuration, mastication, fixedness

牙列(即牙弓):牙根排列有序牙冠形成弓形的整体

1、唇腭裂的临床流行病学状况 2、唇腭裂的病因学说 3、唇腭裂发生的病理机制

(1)口腔颌面部软组织囊肿,包括皮脂腺囊肿、皮样囊肿、甲状舌管囊肿和腮裂囊肿 的临床表现和治疗原则; (2)颌骨囊肿的分类、临床表现、诊断要点及治疗原则

一、教学内容和目的要求 1.教学内容 牙颌面畸形的概念

“我知道自己几乎一无所知,对这一点也几乎不知道。苏格拉底

要求学生初步了解正颌外科的定义及业务范畴,以及常见牙教|颌面畸形的诊断与治疗方法

Phase i Presurgical treatment Orthodontics Surgical plan Phase i[ Surgical treatment Mandible · Maxilla Phase iii Postsurgical treatment · Orthodontics