(a) This chapter applies to a person who practices, or offers or attempts to practice, as a dental hygienist in the state except
(1) a dental hygienist in the military service in the discharge of official duties;
(2) a dental hygienist in the employ of the United States Public Health Service, United States Department of Veterans Affairs, United States Indian Health Service, or another agency of the federal government, in the discharge of official duties;
(3) a dental hygienist licensed in another state or jurisdiction who is teaching or demonstrating clinical techniques at a meeting, seminar, or limited course of instruction sponsored by a dental or dental auxiliary society or association or by an accredited dental or dental auxiliary educational institution;
(4) a dental hygienist employed in the state by an Indian health program, as that term is defined in 25 U.S.C. 1603, while providing dental hygiene services to a person the Indian health program is entitled to serve under 25 U.S.C. 450 et seq. (Indian Self-Determination and Education Assistance Act), as amended, and 25 U.S.C. 1601 et seq. (Indian Health Care Improvement Act), as amended.
(b) A person excepted from this chapter under (a) of this section shall be held to the same standard of care as a person covered by this chapter.