Evaluation of condyle remodeling after costochondral graft in growing children with temporomandibular joint ankylosis and jaw deformity

doi:10.19438/j.cjoms.2017.01.007

Abstract

Abstract: PURPOSE: To evaluate the long-term result after costochondral graft (CCG) in growing children with temporomandibular joint (TMJ) ankylosis and jaw deformity. METHODS: Patients from 2010 to 2014 with unilateral TMJ ankylosis and jaw deformity treated by CCG were evaluated. Their CT data within 1 week after operation and during at least 1 year follow-up were measured by ProPlan CMF 1.4 software. Condyle-ramus, chin deviation and the length of CCG were measured and compared after operation and during follow-ups. SPSS 17.0 software was used for statistical analysis. RESULTS: Six patients with a mean age of 5 years old (from 3 to 7 years old) were included in the study. The mean follow-up period was 2.7 years. The mean condyle-ramus elongation by CCG was 6.2 mm and chin deviation correction was 5.3 mm after operation. The mean growth of CCG was 6.9 mm. The mean mandibular ramus growth was 4.4mm in the healthy side and 4.3 mm in the affected side (P>0.05). CONCLUSIONS:CCG is a reliable method to treat TMJ ankylosis with jaw bone deformity in growing children. It has growing ability but the long-term results still need observation.

Key words: Temporomandibular joint ankylosis, Costochondral graft, Jaw deformity

CLC Number:

R782.6

ZHAO Jie-yun, HE Dong-mei, YANG Chi, LU Chuan, HU Yi-hui. Evaluation of condyle remodeling after costochondral graft in growing children with temporomandibular joint ankylosis and jaw deformity[J]. China Journal of Oral and Maxillofacial Surgery, 2017, 15(1): 31-35.

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