乳牙滞留并非少见,但既有恒牙胚又并有角皮症的多数乳牙滞留则较为罕见,现将所见1例报告如下: 方某,女13岁(1971年2月生)学生。因双排前牙于1984年5月8日就诊。父母及其他五个孩子均无乳牙滞留和角皮症,但有斑釉牙。其母在妊娠时正常,患者出生时皮肤绯红,体小仅及兄姐一半。母 The retention of deciduous teeth is not uncommon, but the majority of deciduous teeth, both permanent and germ-free, are relatively uncommon. One of the reported cases is now reported as follows: Fang Mou, female, 13 years old (born February 1971). Due to double row anterior teeth on May 8, 1984 treatment. There were no deciduous teeth and keratoses on both parents and five other children, but there were spotted teeth. The mother is normal during pregnancy, when the patient is crimson at birth, her body is only half her brother's sister. mother