South Carolina Department of Labor, Licensing, and Regulation

You can find out more information about how to obtain a license to practice dental hygiene in SC by visiting the following website:

Scroll down until you see information about dental hygiene licensure

The following is a link to the dental hygiene application

Note that local infiltration anesthesia and nitrous oxide monitoring are both legal in South Carolina for dental hygienists.  You must apply for these and meet the requirements when applying for your SC license.  All of this information can also be found at the link above.