PDFWAC 246-225A-080
Special requirements for dental intra-oral radiography.
(1) Registrants using an X-ray system designed for use with an intra-oral image receptor shall use equipment that:
(a) Limits the SSD to not less than 18 centimeters;
(b) Limits the X-ray beam so that the beam diameter at the minimum SSD is no greater than 7 centimeters in diameter;
(c) Has an open-ended position-indicating device; and
(d) Has shielding included in the beam-limiting device or position-indicating device equivalent to that required for the diagnostic source assembly under WAC 246-225A-060(1).
(2) Registrants shall not use diagnostic dental X-ray systems with a fixed, nominal kVp of less than 55.