Recent SemestersFall 2026, Spring 2026, Fall 2025, Spring 2025Class Size12 studentsCredits4PrerequisiteEnrollment in or completion of DA 110 and 108 Transfers ToNot transferableDescriptionTheory and basic principles of intraoral and extraoral radiography; characteristics and methods of controlling X-radiation; hazards of radiation; infection control and safety procedures. Laboratory and clinical experience on selected patients; care and operation of dental X-ray unit; dental images, placement and exposure techniques. Identification and interpretation of radiographs. Course meets and is approved by the Dental Board of California for Radiation Safety. Total of 36 hours lecture and 108 hours laboratory.Usually HeldMon 7:30am–2:00pm, Mon 2:10pm–3:00pm, Thu 10:50am–11:40am, Wed 2:40pm–3:30pm 