Special Requirements for Dental Radiographic Installations

PURPOSE: This rule establishes special requirements for dental radiographic installations. (1) The diameter of the useful beam at the cone tip should be not more than 2.75 inches and shall be not more than three inches (3") for routine intraoral radiography. (2) A device shall be provided to terminate the exposure after a preset time or exposure. (3) The exposure control switch shall be provided with a cord sufficiently long so that the operator can stand at least six feet (6') from the tube housing for all exposures and well away from the useful beam. AUTHORITY: section 192.420, RSMo 1986.* This rule was previously filed as 13 CSR 5090.150. Original rule filed Nov. 9, 1964, effective Dec. 9, 1964. *Original authority: 192.420, RSMo 1963.