患者女,23岁,因四环素牙于1993年1月在某医院进行光敏树脂覆盖治疗,近期出现牙龈疼痛、肿胀和出血,于当年2月17日就诊本院。 检查。唇面光敏树脂材料覆盖,局部牙龈充血水肿,触之易出血,探修复材料近龈缘处毛糙不平,有过锐的树脂尖抵龈沟内,局部软垢较多,未探及牙周袋,牙齿无松动,余牙无异常。 Female patient, 23 years old, was hospitalized with Tetracycline Tooth in a hospital in January 1993 for the treatment of photosensitive resin. Recently, gum pain, swelling and bleeding occurred. The hospital was visited on February 17 of the same year. an examination. Lip surface photosensitive resin material coverage, local gingival congestion and edema, easy to touch the bleeding, exploration repair complex near the gingival margin rough, have sharp resin tip arrived in the gingival sulcus, more local soft dirt, no exploration and periodontal pocket No loose teeth, no abnormal teeth.