Abstract
In order to correct mandibular prognathism a new operative method is described for the sectioning of the ramus of the mandible. The intraoral approach through the pterygomandibular space by means of an incision of 2 cm. in the retromolar fossa allows the visualization of the inferior alveolar nerve and vessels. A ligature needle is used to introduce the Gigli saw along the inner surface of the ramus and through the skin behind the ear. Using the same incision, the sectioned bone fragments can be fixed in the correct position by wire ligatures. The advantages of the described method are that no incision is made on the skin of the face, and injury to the inferior alveolar nerve and blood vessels is avoided.
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