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A member asked:
How long would novacaine last?
4 doctors weighed in across 2 answers
Varies: There are different types of anesthetics, some lasting 45 minutes, others lasting 12 hours. It depends on which one is administered.
Answered 5/22/2013
5.1k views
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Thanks for asking!: Depending where injected it could be between 1 and 5 hrs.
Answered 9/29/2013
4.9k views
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