Except as otherwise provided in this section, the Board may adopt rules and regulations that authorize a licensed dental hygienist to perform additional intraoral functions. The Board may not authorize a licensed dental hygienist to: Perform a diagnosis; Perform an extraction; Repair a cavity; Correct tooth placement; Perform a surgical procedure; or Administer anesthesia other than the following: Topical anesthesia; or Local anesthesia in accordance with § 4–206.1 of this subtitle.