A 41-year-old member asked:
Root canal local anesthesia how long does it last?
1 doctor answer
Dr. Reena Gupta answered
18 years experience in Dentistry
Can vary: Depends on the area as well as how the anesthesia was given..Cob be as less as 45 min to as long as 6 to 8 hours.Sometimes anesthesia is given as infiltration ...Sometimes as nerve block which can take longer..Especially for back molars..Also depends on location as well as course of the nerve..
Answered on Sep 7, 2017
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