Subject to the requirements of subsections (b) and (c) of this section, a dental hygienist may administer nitrous oxide to a patient provided the administration of nitrous oxide is under the supervision of a dentist who: Is physically present on the premises; and Prescribes the administration of nitrous oxide by the dental hygienist. Before a dental hygienist may administer nitrous oxide under subsection (a) of this section, the dental hygienist shall successfully complete the following: Any educational requirements established by the Board; and A written and clinical examination as required by the Board. A dental hygienist shall complete the educational requirements established by the Board under subsection (b)(1) of this section through an accredited dental hygiene program.