先天性下唇瘘管含多生牙是口腔颌面部较罕见的先天性发育畸形，我科于１９９６年６月收治１例，报告如下．患儿女性，２．５岁．因出生后发现下唇红中央有一白色小点，常有淡黄色液体流出，到我科就诊，以先天性下唇瘘收治入院．入院全身体检未见发育畸形及其他阳性体征．... Congenital lower lip fistula with multiple births is more common in oral and maxillofacial deformities of congenital deformity, our department in June 1996 admitted to a case, the report is as follows. Children with children, 2.5 years old. Due to the discovery of the lower lip red central there is a white dot, often pale yellow liquid outflow, to our department for treatment, congenital lower lip fistula admitted to hospital. No systemic malformations and other positive signs were observed during admission. ...