Simultaneous Gap Arthroplasty and Distraction Osteogenesis in the Management of Unilateral Bony TMJ Reankylosis – A Case Report

Vasantha Kumar Vanmathi, Varalakshmi R Parasuraman, R. Vanmathi
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Abstract

Temporomandibular Joint ankylosis is the adhesion of the condyle of the mandible to the base of the skull. It is the most common cause of hypoplasia of the mandible and eventual facial asymmetry. This case report describes the management of unilateral bony re-ankylosis of temporomandibular joint after the failure of a costochondral graft in an eight-year-old girl. The management of temporomandibular ankylosis presents a major challenge due to its increased reoccurrence rate. In the present case, simultaneous gap arthroplasty and distraction osteogenesis were performed to separate the ankylotic mass and lengthen the ramus-condyle unit. The one year follow-up of the patient showed adequate mouth opening. We recommend concomitant gap arthroplasty and distraction osteogenesis for effectively managing temporomandibular joint bony ankylosis.
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同时间隙关节置换术和牵张成骨治疗单侧骨性颞下颌关节再强直1例报告
颞下颌关节强直是下颌骨髁突与颅骨底部的粘连。这是下颌发育不全和最终面部不对称的最常见原因。本病例报告描述了一名八岁女孩在肋软骨移植失败后颞下颌关节单侧骨再强直的治疗。颞下颌强直的管理提出了一个主要的挑战,由于其复发率增加。在本病例中,同时进行间隙关节置换术和牵张成骨术以分离强直性肿块并延长支髁单位。随访1年,患者口腔张开程度正常。我们建议同时进行间隙关节置换术和牵张成骨术,以有效地治疗颞下颌关节骨性强直。
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