intraoral anesthesia

n.
  1. Insufflation anesthesia in which an anesthetic is added to inhaled air passing through the mouth.
  2. Anesthesia of the mouth and associated structures by topical application of anesthetic solutions to oral mucosa.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.