Jul 20, 2025  
2024-2025 Catalog 
    
2024-2025 Catalog

DH 120 - Dental Radiography I


Credit Hours: 1

The technical aspects of dental radiographic imaging are covered. Lectures include an overview of radiation history, radiation safety, and the ALARA principle, a discussion of dental films and digital sensors, intra-oral techniques, film exposure factors and image formation, film processing and mounting, basic image interpretation, quality control techniques, and the care and maintenance of dental radiographic equipment. The minimum passing grade is “C-.” 

Course Outcomes
Upon completion of this course, the student will be able to:

  • identify the appropriate rationale for obtaining dental radiographic images;
  • apply basic radiation safety and protection procedures used in dental radiology;
  • describe the process of mounting dental images;
  • associate fundamental geometric theories and the principles of the four intra-oral techniques to acquire quality dental radiographic images;
  • distinguish various types of radiographic film and image receptors utilized in dentistry and how they are processed; and
  • select the proper quality assurance measures as they apply to dental radiography.


Corequisites: All required fall semester, first year courses in the Dental Hygiene or Dental Assisting curricula.
Concurrent Registration: DH 121
F (N)

Withdrawal from or failure of a required course prevents further progression in the curriculum. General education courses may be taken earlier than indicated but may not be taken later than the prescribed schedule.