1975年Pullon等人首次描述和报告鳞状牙源性肿瘤,认为此瘤可以来源于牙龈粘膜内和牙周间隙内的Malassez氏上皮剩余。此瘤是一种罕见的牙源性肿瘤。1975年Pullon等人首次报告以来,迄今文献上仅有10例报道。患者最小者为11岁,最大者65‘岁。其发病高峰年龄为20岁左右。男女性别比例为6:4。文献报告的10例中,其中6例位于上颌 Pullon et al. First described and reported squamous odontogenic tumors in 1975, suggesting that this tumor may originate from the remaining Malassez epithelium in gingival mucosa and periodontal space. This tumor is a rare type of odontogenic tumor. Since the first report by Pullon et al. In 1975, only 10 cases have been reported to date. The smallest patients were 11 years old, the largest 65 'years old. The peak age of onset is about 20 years old. Gender ratio is 6: 4. Of the 10 reported cases, 6 were located in the maxilla