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Abstract：
Mandibular condyle aplasia and temporomandibular joint (TMJ) ankylosis represent complex challenges in diagnosis and management, affecting jaw function and facial aesthetics. This case report presents a five-year-old female child with a right-sided small jaw and facial asymmetry due to left-sided TMJ ankylosis. The coexistence of mandibular condyle aplasia and TMJ ankylosis underscores the need for comprehensive evaluation and tailored treatment approaches. Syndromic associations, such as Goldenhar syndrome and Treacher Collins syndrome, further complicate diagnosis and management. Surgical intervention involving left-side gap arthroplasty and reconstruction using a costochondral graft/temporalis fascia was performed under general anesthesia. However, postoperative complications, including decreased mouth opening and left-sided lower motor neuron facial palsy, necessitated further surgical debridement and drainage of an abscess. The case emphasizes the importance of a multidisciplinary approach in addressing complex craniofacial anomalies, with treatment strategies such as bone grafting and tailored surgical interventions offering promising outcomes. Understanding the multifaceted etiology of mandibular condyle aplasia and TMJ ankylosis is crucial for optimal management, highlighting the collaborative efforts required for achieving favorable patient outcomes.
摘要：
下颌骨髁状突发育不全和颞下颌关节(TMJ)强直是诊断和治疗的复杂挑战,影响下颌功能和面部美学。该病例报告介绍了一名5岁的女性儿童，由于左侧TMJ强直，右侧小颌和面部不对称。下颌髁突发育不全和TMJ强直的共存强调了对全面评估和量身定制治疗方法的需求。综合征协会，比如Goldenhar综合征和TreacherCollins综合征,进一步复杂的诊断和管理。在全身麻醉下，使用肋软骨移植物/颞肌筋膜进行涉及左侧间隙关节成形术和重建的手术干预。然而,术后并发症,包括张口减少和左侧下运动神经元面神经麻痹，需要进一步的手术清创和脓肿引流。该案例强调了多学科方法在解决复杂的颅面异常中的重要性，骨移植和量身定制的手术干预等治疗策略提供了有希望的结果。了解下颌髁突发育不全和TMJ强直的多方面病因对于优化治疗至关重要，强调实现良好的患者结果所需的协作努力。
