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National Journal of Maxillofacial Surgery
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Year : 2011  |  Volume : 2  |  Issue : 2  |  Page : 172-174

Overgrowth of costochondral graft in temporomandibular joint ankylosis: An unusual case

1 Department of Oral and Maxillofacial Surgery, PDM Dental College and Research Institute, Bahadurgarh, India
2 Department of Oral and Maxillofacial Surgery, Government Dental College, PGIMS, Rohtak, Haryana, India

Correspondence Address:
Ajay Verma
35/9, Lajpat Nagar, Sonepat, Haryana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0975-5950.94474

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Costochondral graft (CCG) replacement of the mandibular condyle was first described by Gilles in 1920. Since then CCGs have gained increasing popularity in reconstruction of the TMJ and condyle in children. The influence of CCGs on mandibular growth and function is not known in detail. Adaptation of the graft has been observed to be better in children, but CCGs have also been shown to grow in adult patients. One of the major disadvantages of the CCGs is its growth pattern, which is extremely unpredictable and may manifest as excessive growth or no growth at all. A mandibular overgrowth on the grafted site can actually be more troublesome than lack of growth. Furthermore, maxillary growth is proportionality influenced by vertical mandibular growth of the graft. This is a report of such a case in which a bizarre overgrowth of the graft was seen following a reconstruction of TMJ by CCG and the devastating outcomes of the treatment. He required one further resection because the grafted tissue had overgrown five years later.

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