Biomedical subjects
Publications and source records attributed to P Daelemans.
The development of microvascular surgery has allowed the transfer of revascularized bone grafts. The surgical techniques of the most useful transfers are explained. The advantages, disadvantages and indications of these procedures, as compared with the other techniques of bone reconstruction, are discussed.
Development of microsurgery has involved the use of revascularized bone grafts in maxillo-facial surgery. They are essentially indicated in rebuilding of complex tissues lost including bone. Their utility is well know in maxillofacial surgery, cervico-facial cancerology, ballistics trauma and in the cure of some mandibular osteoradionecrosis. Only scapular and iliac autogenous bone transplants were used by the authors. Following their short experience, they preferred the pediculated iliac transplants on the deep circumflex vessels more easy to handle and more secure. They brought some modifications in the graft technics in order to decrease the functional and the esthetic damages at the donor site: the incisions were parallel to the iliac crest an to the crural arch. The transplant respected the integrity of the antero-superior-iliac-spine and the crural arch. At the receiving site the muscle was left denuded in the oral cavity. The reepithelialization was observed in a short time.
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The authors present a serie of 20 cases of craniofacial injuries with or without CSF leakage. They propose a simple classification in 2 groups following the impact: braniofacial injury or orbitofacial injury. For their, craniofacial or orbitofacial injuries are to be operated in one stage by an neurosurgical and maxillofacial team. The best time for operation is approximately around the 10th day following trauma.
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A new soft tissue flap design technique, called "the palatal sliding strip flap" (PSSF), has been developed to improve the soft tissue surgical results at stage 2 implant surgery. The purpose of this flap design is to help form papillae between implants and between natural teeth in the anterior area of the maxilla. The flap is designed and managed so that the palatal attached mucosa slides in a labial direction to create papillae and at the same time augment the labial ridge. This surgical approach is valid, predictable, and has a low risk-to-benefit ratio. This new flap design is indicated for a variety of clinical situations, especially for the problematic maxillary soft tissue reconstruction around teeth and implants.