Ohio Rev. Code § 4715.33: Students exempted.

Sections 4715.01 to 4715.35 of the Revised Code do not apply to a bona fide student of dentistry when he is participating in any of the educational programs of an accredited dental college. Sections 4715.23 to 4715.30 of the Revised Code do not apply to a bona fide dental hygiene student when he is participating in any of the educational programs of an accredited dental hygiene school. A licensed dentist or a dentist holding a teaching certificate shall be physically present in the facility whenever students of dentistry or dental hygiene are performing clinical dental procedures on patients.