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Two studies (1981-1990 retrospective, and 1989-1993 prospective) were performed to determine the optimal methods in preprosthetic surgery. The first study deals with four different types of grafts (split-thickness skin, mucosal, mesh mucosal, palatal) in combination with vestibuloplasties and lowering of the floor of the mouth. The parameters, vestibular(More)
We investigated the possibilities of sonographic diagnostics of bone fractures in a clinical study. 18 patients with fractures of the lower jaw were examined. The technical procedure and typical symptoms are described. The sonographic analysis shows fractures with dislocations greater than 1 mm. Today it is not possible yet to exclude a fracture by(More)
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