1病例报告患者女,30岁。因右后下牙区疼痛3天、加重1天就诊。专科检查:颌面部左右不对称,右侧面颊肿胀明显,张口受限,口内牙列整齐,咬合关系正常,下颌第三磨牙颊侧位阻生,第二磨牙远中面有龋,牙周红肿,探诊敏感,叩诊阴性,无松动度,冷热试验(+),牙龈肿胀。既往体健,否认高血压病、糖尿病、心脏病 1 case report Patients female, 30 years old. Due to pain in the right lower back area for 3 days, one day exacerbation. Specialist examination: maxillofacial left and right asymmetry, obvious swelling of the right cheek, limited mouth opening, mouth dentures neat, occlusal relationship is normal, mandibular third molars buccal position obstruction, the second molar distal caries, periodontal Inflamed, probing sensitive, negative percussion, no loosening, hot and cold test (+), swollen gums. Past physical health, denied hypertension, diabetes, heart disease