Section 5.09 - Requirements for Training in Radiology(1) A Registered Dental Hygienist (RDH), Public Health Dental Hygienist (PHDH), Expanded Function Dental Assistant (EFDA), Certified Assistant (CA) or a Formally-trained Dental Assistant (FTDA) may take dental radiographs only under the supervision of a dentist provided that the dental auxiliary has successfully completed a course with a curriculum that complies with CODA-standards for radiological techniques and safeguards in dentistry.(2) An On-the-job Trained Dental Assistant (OJT) may take radiographs only under the supervision of a dentist and must have completed a course in radiological techniques and safeguards and successfully passed the DANB Radiation Health and Safety Examination (RHS), or other examination as approved by the Board, within one year of the course completion.Amended by Mass Register Issue 1271, eff. 10/10/2014.