A dental hygienist who is recognized by the Board to administer local anesthesia may do so provided that the administration of local anesthesia is: By infiltration or by inferior alveolar nerve block to facilitate the practice of dental hygiene by a dental hygienist or the practice of dentistry by a dentist; Not performed as a medical specialty; and Under the supervision of a dentist who: Is physically on the premises; and Prescribes the administration of local anesthesia by the dental hygienist. A dental hygienist may administer local anesthesia only as provided in this regulation. A dental hygienist may not administer local anesthesia unless recognized by the Board as being qualified to do so as provided in this chapter. Classification of Board Recognition. The Board shall recognize the classification of recognized to administer local anesthesia.