CCOG for DA 120 Spring 2024
- Course Number:
- DA 120
- Course Title:
- Dental Radiology I
- Credit Hours:
- 2
- Lecture Hours:
- 20
- Lecture/Lab Hours:
- 0
- Lab Hours:
- 0
Course Description
Introduces the uses of digital and film radiographic images in dentistry. Includes the history of radiation discovery, biological effects of X-ray in tissues, and safety principles. Covers the physical and chemical properties of processing chemicals and film. Prerequisites: Acceptance in the Dental Assisting program. Corequisites: DA 121.
Intended Outcomes for the course
Upon completion of the course students should be able to:
- Describe the techniques of digitally exposing images on manikins in a safe and effective manner.
- Describe the techniques of digitally exposing images on patients in a safe and effective manner.
- Identify the steps required to expose, process and mount a full-mouth series of radiographs.
- Explain proper infection control protocols.
Course Activities and Design
This course will be presented in a series of lectures, videos, and class discussions, followed by practical application of principles in the laboratory.
Outcome Assessment Strategies
- Quizzes
- Midterm
- Assignments
- Final exam
- Professional standards of expected behavior in the classroom and laboratories
Course Content (Themes, Concepts, Issues and Skills)
- History of radiography
- Uses in dentistry
- Physical properties of x-radiation
- Generation of x-rays
- Parts of the x-ray machine
- Use of the manikin
- Intraoral film
- Intraoral sensors
- Safety protocols and radiation safety equipment
- Intraoral exposure techniques
- Exposure factors
- Characteristics of a diagnostic radiograph/image
- Darkroom equipment and solutions
- Manual film processing
- Exposure and processing errors
- Mounting radiographs
- Introduction to radiographic landmarks
- Record-keeping
- Digital radiography
COMPETENCIES:
- Explain the origins of radiography and discuss the impact on medicine and the people using xrays
- Describe the physical properties of x-radiation and how it interacts with matter
- Describe the components and processes which generate and control x-radiation
- Define the parts of the x-ray machine
- Describe the characteristics of a variety of sizes and types of x-ray film including recommended storage methods
- Describe and use safety protocols and equipment which are required by law
- Explain the paralleling technique of intraoral exposure on a manikin using various types of film holders
- Explain the characteristics of a diagnostic dental radiograph/image
- Describe the equipment and solutions found in the darkroom
- Describe the steps in film processing, and explain the effects of time and temperature on the quality of the image
- Understand the correct sequences to place films/images in the mount for use in diagnosis
- Identify normal radiographic anatomical landmarks and normal oral conditions on radiographs/images at an introductory level
- Identify processing errors and explain how to correct them
- Record patient data as required for image identification and industry standards
- Understand how to use digital sensors
Related Instruction
Computation
Hours: 6- Describe the techniques of digitally exposing images on manikins in a safe and effective manner.
- Describe the techniques of digitally exposing images on patients in a safe and effective manner.
- Describe and demonstrate the Inverse Square Law.
- Describe and demonstrate the Maximum Permissible Dose.
- Describe and demonstrate how to use the correct settings for impulses, milliamperes, kilovolt peak in radiography.