1. Except as provided in subsection 2 of this section, a duly registered and currently licensed dental hygienist may only practice as a dental hygienist so long as the dental hygienist is employed by a dentist who is duly registered and currently licensed in Missouri, or as an employee of such other person or entity approved by the board in accordance with rules promulgated by the board. In accordance with this chapter and the rules promulgated by the board pursuant thereto, a dental hygienist shall only practice under the supervision of a dentist who is duly registered and currently licensed in Missouri, except as provided in subsection 2 of this section.

2. A duly registered and currently licensed dental hygienist who has been in practice at least three years and who is practicing in a public health setting may provide fluoride treatments, teeth cleaning and sealants, if appropriate, to children who are eligible for medical assistance, pursuant to chapter 208, without the supervision of a dentist. Medicaid shall reimburse any eligible provider who provides fluoride treatments, teeth cleaning, and sealants to eligible children. Those public health settings in which a dental hygienist may practice without the supervision of a dentist shall be established jointly by the department of health and senior services and by the Missouri dental board by rule.