Bu Shoushan, Department of Stomatology, Jiangsu Provincial Hospital: Gingivoma is an inflammatory tumor-like growth occurring in gingival papilla, which comes from periodontal ligament and connective tissue of gingiva. It's not a real tumor, but it's easy to recur after resection. Common causes: dental plaque, dental calculus, food impaction, long-term irritation caused by poor repair (denture); During pregnancy. Treatment: the tumor and periosteum must be completely removed after operation, and the periodontal ligament connected with gingiva can be treated (removed) by laser or electrotome. After this treatment, postoperative recurrence is generally rare.