A surgery for the temporomandibular habitual luxation - A trial of locking the coronoid process by a dermal pedicle flap and lyophilised dura.:A trial of locking the coronoid process by a dermal pedicle flap and lyophilised dura

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A modified method of Koele's technique reported in 1983 was applied to four cases of temporomandibular habitual luxation, while changes in the transplanted tissue with clinically used lyophilised dura (LYODURA) were observed in experimental animals. These results are summarised below.<BR>The modified procedure in brief is as follows. Formation of pedicle flap of dermis at the preaurecular region was almost same as the original method, however, the flap was strengthened with LYODURA. The dermic flap combined with LYODURA was introduced through the mandibular incision into the oral cavity. Both the flap and LYODURA were tightly sutured at the lateral portion of the coronoid process, i. e. to the lateral pterygoid muscle attachment for suppresing mandibular movements. The lower jaw was immobilized for about 3 weeks after surgery. This operation led to good results in four cases of habitual luxation of the mandible.<BR>Histologically, no foregin body reaction to grafted LYODURA was seen in dogs, and the planted LYODURA normally existed. From these clinical and experimental results, this surgical approach with potent LYODURA seemed to be applicable for treating temporomandibular habitual luxation.
社団法人日本口腔外科学会の論文