四牙一体多生牙１例口腔系王春玲，王振岸长清县中医院刘宝同正常牙数目之外的多生牙又称额外牙，常见于前牙区，以上颌中切牙区多见，多为畸形牙，但多个牙相融合形成四牙一体多生融合牙罕见，现报告１例如下。患者男，１２岁，因前牙区拥挤来诊。检查见恒牙期左上中切牙... One tooth of four teeth one case of oral Dental Wang Chunling Wang Zhen Wang Changan Hospital of Traditional Chinese Medicine with the number of normal teeth outside the number of extra teeth, also known as extra teeth, common in the anterior teeth area, more common in the maxillary incisors, mostly Teeth deformity, but the integration of multiple teeth to form a four-tooth polygamous fusion rare, we now report a case as follows. Male patient, 12 years old, due to anterior crowding area consultation. Check to see the permanent upper left incisor ...