Use of the platysma flap for intraoral coverage of a reconstruction plate in an avulsive shotgun wound: report of case.
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Biomedical subjects
Publications and source records attributed to B E Potter.
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Surgical intracapsular concylar fractures were initiated on young monkeys followed by prolonged intermaxillary fixation in an effort to create facial asymmetry and induce temporomandibular joint ankylosis. Implanted head positioners and metallic bone markers were used to document developing facial asymmetry in all animals. Vertical opening capabilities were fully recovered and the procedures had no discernible functional impact. Slight limitation of movement persisted only in the translation of the damaged condyles. It was concluded that trauma followed by long term fixation had no effect in promoting ankylosis or significant limitation of jaw movement. It is suggested that when considering the role of trauma in the aetiology of ankylosis, attention be given to those factors which may complicate an existing trauma.
Primary closure of intraoral wounds can be done up to 24 hours after the injury. A mucosal seal decreases the possibility of infection and allows the wound to heal more rapidly and less painfully than a wound left open to heal by secondary intention. Defects of the lips must be closed with exact alignment of the vermilion-cutaneous margins. Nerve repairs must be done without tension at the repair site. Parotid duct repairs are mandatory to prevent cyst and fistula formation. Anterior permanent teeth may be replanted.