![]() Photographic Quality Control Required Tests The following tests must be performed at the indicated frequencies and records kept of the results. To promote any means to reduce patient exposure without sacrificing image quality.To advise the director of X-ray safety of any accident involving over-exposure to a patient.For posterior bitewing films, these limits are listed in Chart 1. To ensure entrance exposure dose to patients does not exceed specified limits.To conduct yearly quality assurance tests on the x-ray machines and daily processing tests and maintain records of such tests.To ensure appropriate acceptance tests are carried out on any new installations or relocations.To notify the Ministry of Health - X-ray Inspection Service of any new installation or relocation of existing dental X-ray units and ensure appropriate shielding is put in place.To ensure that the X-ray equipment is maintained in a safe working order.To ensure that only qualified persons operate the dental X-ray unit.In a group practice or a clinic, one specific dentist must be designated as the RPO. ![]() In a solo practice, the dentist is the RPO. The Radiation Protection Officer (RPO) is responsible for the safe use of radiation.Dental Assistant who has successfully completed a course in radiation safety that has been approved by the HARP Commission.Dental Hygienist licensed to practise in Ontario.Dentist licensed to practise in Ontario.The following persons may take x-rays of patients: Only a dentist licensed by the Royal College of Dental Surgeons of Ontario (RCDS) can order x-rays. ![]() After the installation or relocation, acceptance testing must be done on the x-ray unit and submitted to the X-ray Inspection Service within sixty days. This includes the location of the X-ray unit and the name and business address of the owner.īefore the installation of any new or used dental X-ray unit or the relocation of an existing dental x-ray unit, plan approval must be obtained from the Director of X-ray Safety at the Ministry of Health. Included in this chapter are the following equipment types: intra-oral, panoramic, cephalometric and machines modified to perform tempero-mandibular images.Īll dental X-ray units must be registered with the Ministry of Health - X-Ray Inspection Service. This chapter provides information on the requirements and procedures for quality assurance testing of dental x-ray machines. Summary of Required Quality Assurance Tests for Dental Facilities
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