Ohio Rev. Code § 4715.52: Unlicensed practice.

(A) Except as provided in division (B) of this section, no person shall practice or hold that person out as a dental x-ray machine operator without a valid certificate issued under section 4715.53 of the Revised Code.

(B) Division (A) of this section does not apply to any of the following:

(1) Dentists or dental hygienists licensed under this chapter;

(2) As specified in 42 C.F.R. 75, radiologic personnel employed by the federal government or serving in a branch of the armed forces of the United States;

(3) Students engaging in any of the activities performed by dental x-ray machine operators as an integral part of a program of study leading to receipt of a license or certificate issued under this chapter or a license issued under Chapter 4731., 4734., or 4773. of the Revised Code.