2025-2026 Pierce College Catalog 
    
    Aug 22, 2025  
2025-2026 Pierce College Catalog
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DHYG 272 Dental Imaging I (2 credits)



Course Description
Initial course in dental radiology. Includes the history and principles of dental radiology, study of biological effects and patient safety, recommendations for dental radiographic examinations, and digital intra-oral dental radiographic techniques.

Course Content
Radiology terminology and definitions
Radiation history
Radiation physics
Radiation biology and protection
Radiology safety and infection control for intraoral techniques
Radiation and radiographic image characteristics
Dental x-ray equipment
Digital imaging
Image mounting and viewing
Introduction to dental imaging examinations
Paralleling and bite-wing techniques
Exposure and technique errors
Radiographic image evaluation 
Visual magnification and illumination

Student Outcomes
  1. Explain basic definitions, criteria, and descriptions of radiation, dental image characteristics, radiographic equipment, digital imaging, intraoral techniques, visual magnification, and illumination.
  2. Discuss the standard types of intraoral imaging examinations and intraoral imaging techniques.
  3. Apply knowledge to safely expose and critique radiographic diagnostic intraoral images on a radiographic simulation model and a physical dental manikin.
  4. Analyze digital imaging techniques for intraoral radiographic images.
  5. Evaluate the validity and reliability of the diagnostic criteria for digital intraoral radiographic images.


Degree Outcomes
PROGRAM OUTCOME:

This course is part of the Bachelor of Applied Science in Dental Hygiene Degree. Please refer to the Dental Hygiene Competency Map for detail of the Program Competencies this course addresses. Each competency is identified at a level of skill by the terms Introductory (I), Developing (D), or Competent (C). The map also shows the alignment between each Program Competency and the Pierce College Core Abilities.

Core Abilities

Effective Communication: Graduates will be able to craft and exchange ideas and information in a variety of situations, in response to audience, context, purpose, and motivation.

Information Literacy: Graduates will be critical users, creators, and disseminators of information by examining how information is created, valued, and influenced by power and privilege.

Lecture Contact Hours 10
Lab Contact Hours 20
Clinical Contact Hours 0
Total Contact Hours 30

Potential Methods
Case studies
Class discussion
Lab activities
Manikin/Peer-Patient experiences
Peer evaluation
Self evaluation
Skill competency
Written examination
Clinical (Acceptable, Improvable, Standard Not Met) AIS Evaluation Criteria and/or Pierce College Global Rubric



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