Ohio Rev. Code Ann. § 4715.51

As used in sections 4715.52 to 4715.57 of the Revised Code, "dental x-ray machine operator" means an individual who, under the direct supervision of a dentist, performs standard, diagnostic, radiologic procedures for the purpose of contributing to the provision of dental care to a dental patient. As used in this section, "standard, diagnostic, radiologic procedures" means those procedures involved in using dental equipment that emits ionizing radiation, as defined in section 4773.01 of the Revised Code.