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拔牙所致下颌骨骨折报道甚少,我科所遇1例现报道如下。病员杨某,男性,53岁,农民,因左颌周反复肿胀,疼痛、抗炎治疗后好转,左颌下瘘管形成1年余。在某县医院医治无效,到我科求治。查:左颌下瘘管。管口周围皮肤瘢痕形成。探针可直通入埋下颌骨体,张口度正常。X光片示1/16低位远中埋伏阻生牙,牙周部分暗影。诊断1/16埋伏牙,瘘管形成,治疗:在左下齿槽神经阻滞麻醉下行6拔除术,翻7654颊侧粘骨膜瓣,去骨。暴露埋伏牙,用牙挺挺出同时。出现左下颌体骨折,骨折线通过6牙槽窝斜向内下,短骨拆端轻度移位,继
Mandibular fractures caused by tooth extraction rarely reported, one case of our department are reported as follows. Yang disease patients, men, 53 years old, farmers, repeated swelling of the left jaw weeks, pain, improved after anti-inflammatory treatment, left mandibular fistula formation more than 1 year. In a county hospital treatment invalid, to our department for treatment. Check: left submandibular fistula. Scar formation around the orifice. Probe can be directly buried into the mandibular body, mouth opening normal. X-ray film showed low 1/16 low resistance buried teeth, partial periodontal shadow. Diagnosis of 1/16 impacted teeth, fistula formation, treatment: 6 in the lower left alveolar nerve block anesthesia, pull down 7654 buccal mucoperiosteal flap, bone removal. Exposure of impacted teeth, with Ting Ting quite out at the same time. The left mandibular body fracture occurred, the fracture line diagonally down through the 6 alveolar fossa, short dislocation slightly displaced, following