Chapter 6: Dental X-Ray Image Characteristics
Learning Objectives
At the end of this module chapter, you will be able to:
6.1
- Define the key terms associated with dental image characteristics.
- Differentiate between radiolucent and radiopaque areas on a dental image.
- Describe a diagnostic dental image.
- List the two visual characteristics of the radiographic image.
- List the factors that influence density and contrast.
6.2
- Discuss the difference between high contrast and low contrast.
- Describe film contrast and subject contrast.
- Describe the difference between short-scale contrast and long-scale contrast.
- Identify images of high contrast, low contrast, no contrast, short-scale contrast, and long-scale contrast.
6.3
- Describe a stepwedge and explain its function.
- List the three geometric characteristics of the radiographic image.
- List the factors that influence sharpness, magnification, and distortion.
