[Forensic aspects of an oro-antral communication].
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Biomedical subjects
Publications and source records attributed to G Selle.
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Iatrogenic fractures of the jaw were analyzed epicritically, and the attempt was made to determine whether fractures can be avoided and, if so, what type. Preoperative bases for complications in the course of the intervention are present in most cases so that the danger of an iatrogenic fracture of the jaw can be avoided by precise diagnostic radiology.
The goal of this study was to determine whether complications during the intervention can be forseen with an exact diagnosis. We therefore evaluated preoperative roentgenograms and analyzed the course of the operative intervention. Numerous additional pathologic findings, presented in diagrams, were identified on the orthopantomogram. Bent roots of third molars projecting into mandibular canal, for example, present certain problems. Intraoperative problems can be recognized on preoperative roentgenograms of the operative field without their being completely excluded; the preoperative roentgenogram therefore is necessary to limit complications.
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The clinical course and histological appearances of a calcifying epithelial odontogenous tumour is presented. Because of the close proximity between the tumour and a retained wisdom tooth a pathogenetic connection appears likely.
Odontomata are relatively seldom encountered. The diagnosis is made accidentally or from abnormal findings such as persistance of a milk tooth, disturbances in tooth eruption, diastema and others. Localisation is established by X-ray.
The ameloblastoma is a benign, but locally invasively growing tumor with different radiographic structures. These structures may well be explained by typical development of the tumor. Occasionally differential diagnosis appears difficult. Various roentgenographic techniques do facilitate surgical planning if the diagnosis is confirmed microscopically.
Odontomata of the jaw are relatively rare. They can be easily diagnosed by means of special x-ray techniques provided they are composite odontomata. Difficulties are created by ameloblastofibromes and complex odontomata. Complete excochleation predominates in surgical therapy, first importance being given to sparing vital neighbouring teeth and vasomotor nerve bundles.
The use of an alloplastic implant to fill the defect after resection of the central part of the mandible is described. This procedure makes the post-operative course more acceptable for the patient, and facilitates later reconstruction by a free bone graft in the absence of recurrence.
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