Doctor insights on:
When Will Novacaine Wear Off
Reversal Agent: There are really 2 ways you and your dentist, can control to quicken the length of action of local anesthesia. The first is under your control and that is overall metabolism. If you increase your metabolic rate, the Lidocaine will wear off faster. The second, requires a second injection of a reversal agent called "oraverse". There are others also used, but this is the most popular, currently. ...Read more
Nothing: Getting the non-feeling of the Novocaine to wear off faster is often unsuccessful. If this is always the case, possibly ask your dentist to use an anesthetic that is designed to wear off faster. Still, each individual may react differently in terms of time for the Novocaine to dissipate. ...Read moreSee 2 more doctor answers
Less med or no epi: For certain procedures your dentist may be able to use less medication, or one without a vasoconstrictor, which will allow the anesthetic to wear off faster. Oraverse is a medication your dentist can inject to reverse the effects of the anesthetic, but involves an additional injection and still takes at least an hour to work. ...Read moreSee 2 more doctor answers
It varies.: Novocaine is rarely used today. The most common local anesthetic is lidocaine, and the most common formulation is packaged with epinephrine. Lidocaine with Epinephrine will usually provide deep anesthesia to the nerve of a tooth for 45 minutes and for the soft tissue, lips, gums, etc, for twice that. Anesthetic without Epinephrine wears off quicker. Some anesthetics, like marcaine, can last hours. ...Read moreSee 2 more doctor answers
1-6 hours: There is variation between individuals. On average it takes a few hours and it usually wears off gradually. It also depends on the amount of anesthetic and the formulation of the anesthetic. Depending on the formulation or dosage, the numbness can last for most of the day. ...Read moreSee 1 more doctor answer
Reversal agent: There is now an injection that can be given at the end of an appointment that actually reverses the numbness immediately. It is relatively expensive, and i like the fact that the numbness lingers during the immediate post treatment period. Nsaid administration also insures post injection comfort. ...Read moreSee 2 more doctor answers
Not long: Several hours at most.Get a more detailed answer ›
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