RSA 317-A:23 Non-Practice.

I. None of the following procedures may be assigned to a dental hygienist or assistant or to any other person not licensed to practice dentistry:
(a) Diagnosis, treatment planning and prescriptions (including prescriptions for drugs and medicaments or authorization for restorative, prosthodontic, or orthodontic appliances).
(b) Surgical procedures on hard or soft tissues within the oral cavity; or any other inter-oral procedure that contributes to, or results in, an irremediable alteration of the oral anatomy.
II. Under the public health supervision of an actively licensed dentist and in accordance with a written practice agreement, a certified public health dental hygienist may provide services pursuant to RSA 317-A:21-e, I for which certified public health dental