Local dental anesthetic, commonly known as Novocaine, is a medication that numbs a specific area of the body, allowing dental procedures to be performed without causing pain. The duration of its effects can vary depending on the type of anesthetic used, the amount administered, and the individual's metabolism.
The most common type of local anesthetic used in dentistry is lidocaine. It typically takes effect within 2-5 minutes and can last for up to 2 hours. Other types of local anesthetics, such as bupivacaine, have a longer duration of action, lasting up to 6 hours or more.

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