【摘要】 本研究根据临床儿童牙列缺损病例 ,考虑乳牙缺失 ,恒牙缺失 ;恒牙根尖孔形成与否 ;缺失合并牙列畸形 ;先天性缺牙等因素 ,将儿童牙列缺损分成六类及相应的亚类 ,并提出临床治疗方案及治疗原则。更多还原

【Abstract】 Regarding a lot of factors:the lost teeth is deciduous teeth on permanent teeth,if the permanent tooth bud is formative, if defection accompary with malformation of occlusion,if defection is congenital,the defectious dentition of childen are classified into six classes and corresponding subclasses according to the cases of clinic and the treatment plans and principles in clinic are given.更多还原