An application of the ultrasonic surgical aspirator to the resection of oral tumors.

A recently developed ultasonic surgical aspirator, or an ultrasonic surgical knife was applied to excise some tumors in oral and maxillo-facial regions, and we will report on several findings.As objected tumor we selected hemangioma, parotoid tumor, etc.We admit that if the indications given and procedures followed are adequate, the results after operation could be expected better both in function and form.