患者,男,20岁,主因2个月前无明显诱因感右上后牙疼痛肿胀,自服抗炎药物症状有所减轻,未行治疗。半月后无诱因上述症状再次出现,同时伴右侧牙龈增生、肿胀、出血。再次口服抗炎药物,症状缓解不明显。近1个月来局部肿物增长速度加快,伴牙齿松动,牙龈出血,影响进食,故来我院就诊。检查:颌面部左右不对称,右侧面部肿胀,眶下区轻度膨隆,张口度3.5cm,右上后牙区牙龈隆起,表面凹凸不平,无糜烂溃疡, Patients, male, 20 years old, mainly due to 2 months ago, no obvious incentive to feel the right upper back pain swelling, self-service anti-inflammatory drug symptoms have been alleviated, not treatment. Half a month after the above symptoms no incentive to appear again, accompanied by the right side of the gingival hyperplasia, swelling, bleeding. Oral anti-inflammatory drugs again, the symptoms are not obvious relief. Nearly a month to speed up the growth of local mass, with loose teeth, bleeding gums, affecting eating, it came to our hospital. Check: Maxillofacial asymmetry, swelling of the right side of the face, inflated orbital zone mild bulging mouth 3.5cm, gingival uplift in the upper right posterior teeth, the surface uneven, no erosion of ulcers,