先天性部分无牙畸形１例段胜红仲伯平患者男，１４岁，因缺牙多个来诊。无拔牙、外伤和长期服药史。第一胎足月顺产，其母妊娠期、患者幼儿期到现在均无传染病或其它病症。其父亲、祖父口内均为先天性多数牙无牙畸形。检查：营养发育稍差，头发眉毛稀少、细而色黄似胎儿发... One part of congenital toothless deformity Duan Shenghong Zhongbo patients male, 14 years old, due to a number of missing teeth to the clinic. No tooth extraction, trauma and long-term medication history. The first full-term first-born fetus, their mothers during pregnancy, early childhood, no infectious diseases or other illnesses. His father, grandfather mouth are mostly congenital tooth-free deformity. Check: less developed nutrition, scarce hair, thin and yellow like fetal hair ...