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[Osteoplasty of the lower jaw with composite grafts].

Experimentally on 32 white rats of Wistar line and on 15 outbred dogs the authors studied plastic properties and healing processes of composite transplants, employed for replacement of mandibular defects. It was found that the composite transplant consisting of an allogenic lower jaw, treated according to "os purum" type, and an autobone was more resistant to infection, showed no rejection response and possessed adequate plastic properties. This enable the authors to apply the mentioned combination clinically in 7 patients with mandibular defects from 3.5 to 15 cm. Favourable results were obtained in every patient: the anatomical shape of the jaw and its functioning was restored, a good cosmetic effect was gained.

Animals↗

Use of the AO mandibular reconstruction plate for bridging of mandibular defects.

The authors believe that the AO mandibular reconstruction plate provides unique advantages for the reconstruction of mandibular defects. It provides for rigid fixation of the bones and the maintenance of occlusion and contour without the use of intermaxillary fixation or external fixation. The technique adds little time to the procedure, and the expertise needed to apply the technique can be quickly acquired by most surgeons. Although better techniques are being developed and perfected, the mandibular reconstruction plate should be considered for any patients for whom more complex techniques seem inappropriate and for whom reconstruction would otherwise not be considered.

Bone Plates↗

Reconstruction of mandibular defects by autogenous bone grafts: a review of 37 cases.

Thirty-seven cases of autogenous bone grafted to the mandible at the maxillofacial unit, Kaduna, Nigeria, were reviewed. The ilium was used in the majority of cases. In four cases where the recipient beds were vascular, the rib was used. The various techniques for restoring the central arch defects of the mandible are discussed and the methods we used are described. The superiority of autogenous bone grafts over homografts and heterografts is emphasized.

Ameloblastoma↗

Timing, results, and complications of mandibular reconstructive surgery: report of 32 cases.

Sufficient information concerning the difficulties encountered in reconstructive surgery is rarely provided in the literature. This study, which was performed on 32 patients, points out a high rate of complication; major and minor complications were encountered in 68.8% of the patients. Benign and traumatic lesions caused the fewest problems. Malignant lesions, particularly those receiving radiotherapy, had the greatest incidence of complications. Successful reconstruction was accomplished in 75% of the cases. The use of a corticocancellous autogenous graft is suggested in selected cases of malignant disease.

Adolescent↗