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  • Title: Costochondral graft with green-stick fracture used in reconstruction of the mandibular condyle: experience in 13 clinical cases.
    Author: Villanueva-Alcojol L, Monje-Gil F, Gonzalez-Garcia R, Moreno-Garcia C, Serrano-Gil H, Maestre-Rodriguez O, Ruiz-Laza L, Manzano-Solo de Zaldivar D, Mateo-Arias J.
    Journal: Med Oral Patol Oral Cir Bucal; 2009 Dec 01; 14(12):e663-7. PubMed ID: 19680195.
    Abstract:
    Since its publication in 1920 by Gillies, costochondral grafts have been used by surgeons to replace and injured mandibular condyle and to reconstruct the temporomandibular joint. This procedure is currently applied in cases of congenital dysplasia, developmental defects, temporomandibular ankylosis, neoplastic disease, osteoarthritis and post-traumatic dysfunction. Over the years, various procedures for the reconstruction with this type of graft have been described. In 1989, Mosby and Hiatt described a technique for setting the graft securely, reducing the space between the graft and the mandibular area. In 1998, Monje and Martín-Granizo developed a variation of this method, enabling a precise adaptation of the costochondral graft to the remaining mandibular ramus. The aim of this study is to evaluate the functional and anatomic results of the costochondral graft treatment by green-stick fracture for reconstruction of the TMJ in the 10 years following the description of this technique. We carry out a retrospective study of thirteen cases of temporomandibular pathology (tumors, ankylosis and hypoplasia) treated during a period of ten years from 1998 to 2008. In all these cases, the technique described by Monje and Martín-Granizo was used: removal of the sixth rib, fixation to a titanium mini-plate using screws, making an internal corticotomy in order to obtain a green-stick fracture of the outer cortex, providing adequate adaptation of the graft to the mandibular ramus. The graft was then set in place, attaching it with titanium screws. This technique was successful in achieving optimal ossification, a good interincisal opening and satisfactory cosmetic results. In conclusion, according to our experience, the green-stick fracture for the adaptation of costochondral grafts to the remaining mandibular ramus has presented outstanding results in the surgical treatment of temporomandibular pathology.
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