(a) Nothing in this act contained applies:
(i) To a legally qualified medical doctor;
(ii) To a legally qualified dental hygienist or dentist engaged in full-time duties with the United States armed forces, public health service, veterans administration or other federal agencies;
(iii) To a legally qualified dental hygienist or dentist of another state making a clinical demonstration before a meeting of dentists or dental auxiliaries; or (iv) To dental and dental hygiene students actively enrolled in any American Dental Association accredited dental educational program performing services as a part of the curriculum of that program under the direct supervision of a Wyoming licensed dentist or Wyoming licensed dental hygienist instructor.