Standard

Revised: 10/06/06

DHY 108 – Radiology

Course Description

Emphasizes the application of radiology principles in the study of the teeth and their surrounding structures. Topics include: radiation physics principles, radiation biology, radiation safety, radiographic need, radiographic quality assurance, imaging theory, radiographic interpretation, and legal issues of dental radiography.

Competency Areas		Hours
Radiation Physics Principles		Class	2
Radiation Biology		D. Lab	0
Radiation Safety		P. Lab	3
Radiographic Need
Radiographic Quality Assurance		Credit	3
Imaging Theory
Radiographic Interpretation
Legal Issues of Dental Radiography
Prerequisite:	DHY102
Corequisite:

Course Guide

Competency	After completing this section, the student will:	Hours
		Class	D.Lab	P.Lab/ O.B.I.
RADIATION PHYSICS PRINCIPLES		1	0	3
Production	Define the basic principles and concepts of radiation and x-radiation.
	List the component working parts of the dental x-ray machine.
	Discuss the factors affecting the quality of the x-ray beam and the radiographic image.
RADIATION BIOLOGY		2	0	2
Hazards	Describe the effects of ionizing radiation on living tissues.
	Describe the hazards of chemical solutions on living tissue.
	Discuss the biological effects of radiation.
RADIATION SAFETY		2	0	3
Safety	Discuss radiation protection procedures for the operator and the patient.
	Practice radiation protection procedures for the operator and the patient.
	Monitor radiation exposure.
RADIOGRAPHIC QUALITY ASSURANCE		1	0	3
Quality assurance	Discuss the importance of calibration of x-ray equipment.
	Select proper film.
	Demonstrate proper exposure techniques.
	Demonstrate proper film processing, and handling.
	Demonstrate proper processing solution management and disposal.
	Discuss quality assurance and record keeping procedures.
IMAGING THEORY		6	0	11
Radiographic techniques	Select radiographic surveys and film types.
	Discuss duplication procedures.
	Perform intraoral technique for bitewing, occlusal, and periapical x-rays.
	Perform supplemental radiographic techniques for a variety of patients needs.
	Manage patients with difficult anatomical and disabling conditions.
Record keeping	Maintain proper documentation of patient records.
Extraoral technique	Discuss alternate imaging modalities.
	Demonstrate panoramic radiography.
RADIOGRAPHIC INTERPRETATION		7	0	8
Interpretation	Define and discuss viewing techniques and principles of interpretation.
	Define the appearances of normal radiographic landmarks, artifacts, and shadows.
	Discuss developmental abnormalities found in radiographs.
	Discuss oral pathology findings pertinent to dental radiography.
Radiographic need	Determine the need for radiography for a variety of patient needs.
	Discuss the ALARA principle.
LEGAL ISSUES OF DENTAL RADIOGRAPHY		1	0	0
Legal issues	Discuss legal issues related to dental radiography.

Suggested Resources

Bird, D. & Robinson, D. (2002). Torres and Ehrlich Modern Dental Assisting. (7^th ed.). Philadelphia: W.B. Saunders.

Eastman Kodak Company, (2002). Successful Panoramic Radiography. Rochester, NY.

Eastman Kodak Company, (1999). Guidelines for Prescribing Dental Radiographs. Rochester, NY.

Eastman Kodak Company, (2001). Radiation Safety in Dental Radiography. Rochester, NY.

Fehrenbach, M. (2000). Illustrated Anatomy of the Head and Neck. (2^nd ed.). Philadelphia: W.B. Saunders.

Frommer, H. (2001). Radiology for Dental Auxiliaries. (7^th ed.). MO: Mosby.

Haring, J. & Jansen, L. (2000). Dental Radiography: Principles and Techniques. (2^nd ed.). Philadelphia: Saunders.

Haring, J. & Lend, L. (1996). Dental Radiography: Principles and Techniques. PA: Saunders.

Johnson, O., McNally, M., & Essay, C. (2003). Essentials of Dental Radiography for Dental Assistants and Hygienists. (7^th ed.). Upper Saddle River, NJ: Prentice Hall.

Kartor, M. (1997). Basic Dental Radiography [Slide and Guide].

Intra Oral Radiography [Slide & Guide] (1997).

Langlais, R. (2004). Exercises in Oral Radiology and Interpretation. (4^th ed.). St. Louis: W.B. Saunders.

Langlais, R. (1997). Extra Oral Radiography [Slide and Guide]

Langland, O. & Langlais, R. (1997). Principles of Digital Imaging. (2^nd ed.). Baltimore: Lippincott Williams & Wilkins.

Langland, O., Laglais, R. & Preece, J. (2002). Principles of Dental Imaging. MD: Lippincott Williams & Wilkins.

Miles, D., VanDis, M., Jensen, C., and Ferretti, A. (1999). Radiographic Imaging for Dental Auxiliaries (3^rd ed.). Philadelphia: W.B. Saunders.

Wilkins, E. (2005). Clinical Practice of the Dental Hygienist. (9^th ed.). MD: Lippincott Williams & Wilkins.

Posted: 11/13/06