MEDiscuss • Medical News • Sniff of local anesthetic in the dentist's chair could replace the needle

Modern dentistry has eliminated much of the "ouch" from getting a shot of local anesthetic. Now a new discovery may replace the needle used to give local anesthetic in the dentist's chair for many procedures. The discovery could lead to a new generation of intranasal drugs for noninvasive treatment for dental pain, migraine, and other conditions.