Abstract

Alveolar bone grafting is an integral part of the treatment concept in cleft palate patients. As an alternative to autogenous bone, tissue-engineered grafts have found some clinical application. The aim of the present study has been to compare ossification in the cleft area using tissue-engineered grafts in a case series of patients with ossification after transplantation of autogenous spongious bone as the gold standard in alveoloplasty. Eight children with complete cleft lips and cleft palates were included in the study. In four children (group A), the cleft defect was filled with tissue-engineered bone (autogenous osteoblasts cultured on demineralized bone matrix Osteovit(®)); as control in another 4 children (group B), the alveoloplasty was performed using spongious iliac bone. Preoperative and 6 months postoperative cone-beam computed tomography was performed, and volumes of the remaining cleft defects were calculated using 3D navigation software. Wound healing was uneventful in both groups. Six months postoperatively the mean volume of the cleft was 0.55±0.24cm(3) after grafting of tissue-engineered bone (group A) and 0.59±0.23cm(3) after transplantation of autogenous spongiosa. In group A, 40.9% of the cleft defect was ossified; in the control group (group B), 36.6%. Tissue-engineered bone is a promising alternative in alveolar bone grafting and no disadvantages were observed in comparison to the gold standard.

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