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Feb 17, 2025
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DHYG 2450 - Oral Radiology
This is a lecture course dealing with the principles of x-ray production, exposure, processing, and radiation biology. Also covered are analysis and interpretation of dental radio graphic images.
Credits: 3
Instructional Method Lecture
Prerequisites:
Sequence of coursework is established by the dental hygiene program.
Co-requisites:
DHYG 2451, Oral Radiology Lab, 1 credit
Minimum Student Competencies
Upon completion of DHYG 2450 , the student will:
- Describe the principles of radiation and x-radiation.
- Identify the component parts and workings of the dental x-ray machine.
- Describe factors affecting the quality of the x-ray beam and the resulting radiographic image.
- Explain the effects of ionizing radiation on living tissues.
- Discuss radiation biology health and safety.
- Demonstrate selection of appropriate radiographic surveys, sensor size and sensor use.
- Demonstrate currently accepted intraoral techniques for bitewing images (horizontal and vertical), occlusal images and periapical images, with an emphasis on paralleling technique.
- Evaluate and demonstrate supplementary techniques for specialized patient conditions. (endodontic, localization, edentulous, pediatric patients, difficult anatomy, disabling conditions)
- Explain the techniques of proper sensor/film processing, handling and record keeping.
- Explain image viewing techniques and principles of interpretation
- Recognize and name the radiographic errors and artifacts on intra oral and extra oral images.
- Interpret and describe normal anatomy versus pathology on radiographic images.
- Identify and describe classifications of dental caries and restorative materials viewed on radiographs.
- Classify periodontal disease according to radiographic bone levels.
- Explain appropriate infection control protocols for radiography.
- Describe and implement quality assurance procedures.
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