As part of the biennial continuing education required by the board or pursuant to law, including Regulation 39-5, South Carolina Code of State Regulations, a dentist authorized pursuant to state and federal law to prescribe controlled substances shall complete at least two hours of continuing education every two years related to approved procedures of prescribing and monitoring controlled substances listed in Schedules II, III, and IV of the schedules provided for in Sections 44-53-210, 44-53-230, and 44-53-250.