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CCOG for DA 122 Winter 2024

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Course Number:
DA 122
Course Title:
Dental Radiology II
Credit Hours:
Lecture Hours:
Lecture/Lab Hours:
Lab Hours:

Course Description

Continues the examination of the philosophy and principles of dental radiography with review and preparation for national and state certification examinations. Corequisites: DA 123.

Intended Outcomes for the course

Upon completion of the course students should be able to:

  1. Be prepared to take the Dental Assisting National Board Exam in Radiation Health and Safety.

  2. Demonstrate how to expose and process a Full Mouth X-ray (FMX) on a patient in a safe and effective manner.

Outcome Assessment Strategies

  1. Using diagrams and x-rays, locate and label normal anatomic landmarks.
  2. Complete regular workbook assignments, unit quizzes and final exam.
  3. Complete lab projects and a BOARD practical exam case.

Course Content (Themes, Concepts, Issues and Skills)

  • Biological effects of radiation
  • Normal radiographic landmarks
  • Exposure and processing errors
  • Recognizing restorations
  • Quality control
  • Image quality
  • Bisecting technique
  • Film holders
  • Introduction to identification of abnormalities
  • Automatic processing
  • PCC policy and Oregon rules
  • Extra-oral and panoramic radiography
  • Patient management
  • Legal requirements of record keeping
  • Application of knowledge and skills to patient care.


  1. Explain the biological effects of x-radiation on living tissue.
  2. Analyze the quality of radiographs relative to quality of the image and placement.
  3. Identify major oral landmarks on both intra- and extra- oral films.
  4. Troubleshoot exposure and processing errors and make appropriate corrections.
  5. Read and interpret dentist's x-ray orders.
  6. Explain Oregon Rules and Regulations and PCC policies and procedures as it applies to dental radiography.
  7. Discuss the advantages and disadvantages of bisecting, occlusal, panoramic and extra-oral radiographic techniques and use these techniques as appropriate.
  8. Discuss patient management considerations associated with medically compromised, disabled, elderly and very young patients.
  9. Identify and locate various abnormalities, lesions and types of dental work on radiograph at an introductory level.
  10. Discuss the legal implications in regard to record keeping, patient identification, ownership and referrals.
  11. Describe the advantages and disadvantages of a variety of film holding devices for taking periapical x-rays.
  12. Describe the uses, advantages and maintenance of the automatic processor and use it to process patient films.
  13. Place, expose, process and mount dental radiographs with increasing proficiency and efficiency on both manikins and patients.
  14. Demonstrate professional courtesy and standards when working with patients and co-workers.
  15. Maintain accurate and timely records of x-ray exposure in patients' charts.