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We have recently experiencd a case of large ameloblastoma with severe hypoproteinemia. The patient was a 34-year-old man, who was pointed out the existence of ameloblastoma in the left molar region of the mandible 13 years ago in our hospital, but refused to receive a therapy for ameloblastoma. After 13 years, he came to our hospital with a complaint of airway obstruction. He had a difficulty in eating, so his general condition was very bad. Especially, he had severe hypoproteinemia as total protein in his blood was 3.0g/dl. We tried to recover his general condition but failed to normalize his hypoproteinemia because of a leak of serum through a fistula opening in the oral cavity. Before the treatment for restoration sudden bleeding from the tumor compelled us to perform an operation, but we could not resect all of the tumor because of massive bleeding. After that, we used a sclerosing agent. Though it was locally effective, his general condition became worsened and he ultimately died of lung edema.We report a case of advanced ameloblastoma with severe hypoproteinemia.

In the field of oral and maxillofacial surgery, since symptoms appear in and around the oral cavity, we have used tube feeding for post operative nutritional management.Many kinds of enteral nutrients have been developed and put on the market, but had some weak points.In this study, comparison was made between Besvion®and conventional liquid diet with respect to the nutritional state and side effects. It was concluded that Besvion®was a superior product and appropriate as enteral nutrient in oral and maxillofacial surgery.

We report on a rare case of trismus caused by bilateral hypertrophy of the coronoid processes of the mandible. A 13-year old boy presented at our institute complaining of restricted mandible movement. An initial diagnosis of TMJ dysfunction was established, and routine therapy was instituted; however, his condition did not improve. A more thorough examination was undertaken; CT scanning revealed bilateral hyperplasia of the coronoid process. Both coronoid proces were surgically resected. Symptoms immediately disappeared. The condition appeared due to irritation within the zygomatic arch by the coronoid process.