Effect of modified costochondral graft in temporomandibular joint reconstruction with lateral pterygoid muscle preservation technique

doi:10.19438/j.cjoms.2018.05.007

Abstract

Abstract: PURPOSE: To explore a modified temporomandibular joint reconstruction which can preserve the maximum function of lateral pterygoid muscle. METHODS: In 3 cases with severe temporomandibular joint osteoarthrosis who received temporomandibular joint reconstruction with costochondral graft, we kept the integrity of condyle and lateral pterygoid muscle attachment and move them downwards to preserve the muscle function. Consecutive follow-ups, both radiographic and clinical, were carried out to evaluate its effectivity and reliability. RESULTS: Postoperative CT scan showed a satisfactory bone healing and almost normal lateral pterygoid muscle patterns. The one-year follow-up of 3 case series showed a desirable recovery of mouth opening, mandible movement range and diet quality. CONCLUSIONS: Lateral pterygoid muscle preservation technique showed an inspiring result of postoperative mouth opening recovery and improving range of lateral mandibular movement.

Key words: Costochondral graft, Temporomandibular joint, Lateral pterygoid muscle, Temporomandibular joint reconstruction

CLC Number:

R782.2

WANG Xiang-yu, BAI Guo, DONG Min-jun, HUO Liang, ZHENG Ji-si, CHEN Min-jie, YANG Chi. Effect of modified costochondral graft in temporomandibular joint reconstruction with lateral pterygoid muscle preservation technique[J]. China Journal of Oral and Maxillofacial Surgery, 2018, 16(5): 420-424.

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