An authorizing dentist shall not at any one time have more than three dental hygienists who hold permits issued under section 4715.363 of the Revised Code working under the dentist's authorization pursuant to section 4715.365 of the Revised Code.
Maximum number of permittees under authorizing dentist
Ohio Rev. Code Ann. § 4715.367, under Chapter 4715 | Dentists; Dental Hygienists.
Ohio Rev. Code Ann. § 4715.367