New tactics in bone grafting.
The reconstruction of mandibular defects pose problems because of the nature of the facial skeleton. The mandibular moves continuously. In contrast, nasal and orbital bone grafts have to be immobilized.
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The reconstruction of mandibular defects pose problems because of the nature of the facial skeleton. The mandibular moves continuously. In contrast, nasal and orbital bone grafts have to be immobilized.
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Forty-one patients on our chronic hemodialysis program were assessed for the degree of progression of bone disease over an average period of 46 months. Seven patients were using a fluoridated dialysate. Four of these seven patients developed a marked increase in osteoid as judged by bone biopsy, while in the nonfluoridated group the amount of osteoid remained within normal limits.In the absence of fluoride, although osteitis fibrosa occurred, it was reversible in 10 out of 12 cases by dihydrotachysterol treatment, and overall there was no evidence of progression of bone disease at the end of the study period.
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A review of 133 cases of fibro-osseous lesions seen and treated at the University College Hospital, Ibadan, Nigeria, is presented. The age of patients at time of diagnosis ranged from 4 years to 68 years, although over 56 percent occurred in the first two decades of life. The maxilla was more commonly affected and there was a female preponderance in the incidence. Radical surgery was often indicated and performed because of the extent of lesions when presented. Early attempts at graft reconstructions were largely abandoned because of high failure rates. Tumor recurrences or growth cessations were not predictable as some lesions regressed after minor interventions while others grew rather rapidly following radical surgery.
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Resection and reconstruction of the mandible by intraoral way. The results of resection and reconstruction of the mandible for 12 patients with benign tumors and dysplastic processes by intraoral way are introduced. Indications and the surgery are developed and long-term outcomes are considered. Patients observation for several years proved these suggested methods to be effective.