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  • Title: Feasibility of demineralized bone matrix for craniomaxillofacial contour restoration.
    Author: Eryilmaz T, Ozmen S, Lortlar N, Omeroglu S, Ayhan S, Celebi C.
    Journal: J Craniofac Surg; 2011 Sep; 22(5):1888-92. PubMed ID: 21959456.
    Abstract:
    Demineralized bone matrix (DBM) could be a good alternative for craniomaxillofacial contour restoration, especially in perialar, malar, temporal, and frontal regions. In this study, the histologic behavior of DBM was investigated in different tissue planes to determine its proper application plane for restoration of craniomaxillofacial contour deformities and defects.Forty Wistar rats were divided into 6 groups: (1) 0.3 mL of 0.9% saline was injected into the subperiosteal plane of the cranium, (2) 0.3 mL of DBM was implanted into the subperiosteal plane of the cranium, (3) 0.3 mL of 0.9% saline was injected into the subdermal plane on the left inguinal region, (4) 0.3 mL of DBM was implanted into the subdermal plane on the right inguinal region, (5) 0.3 mL of 0.9% saline was injected between the left external and internal oblique muscles, and (6) 0.3 mL of DBM was implanted between the right external and internal oblique muscles. At the 8th week half of the rats and at 16th week the remaining rats were killed in each group, and tissue samples were harvested. Histological and immunohistochemical evaluation revealed new bone tissue and bone marrow formation in all planes that DBM was given.Demineralized bone matrix can provide satisfactory results in craniomaxillofacial contour deformities including forehead, temporal, and malar augmentations, as well as mental and perialar augmentations and saddle nose corrections, with supraperiosteal or deep subcutaneous applications. However, superficial applications must be avoided because of the possibility of palpation, because it induces hard bone tissue formation in all tissue planes.
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