_______________ is surgery performed through small incisions

Extraction of the fetus from the birth canal by grasping the head with tongs is known as a/an ________

Fill in the blank with correct word.

Leukoplakia, located in which of the following sites, would be regarded as having the highest risk for malignant transformation?

a. Floor of mouth b. Upper lip c. Buccal mucosa d. Gingiva e. Palate