Upon certification, as provided by the board in regulation, and when under direct supervision of a licensed dentist, a dental hygienist or an expanded duty dental assistant is authorized to monitor nitrous oxide inhalation conscious sedation (dental analgesia).
Administration of certain anesthetic by dental hygienist or dental assistant
S.C. Code Ann. § 40-15-105, under Title 40, Chapter 15.
S.C. Code Ann. § 40-15-105