Section 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.Amended by 133rd General Assembly, HB 166,§101.01, eff. 10/17/2019.Effective Date: 10/20/1995; 5/12/2006 .