|1. Description - |
|Introduction to dental radiology for students enrolled in the dental hygiene program. Component parts, functions, operations of the dental x-ray unit and radiation safety is emphasized. Relationships between anatomical and radiographic landmarks are analyzed. Intended for students in the dental hygiene program.|
|Prerequisite: Admission to the Dental Hygiene Program.|
|2. Course Objectives - |
|The student will be able to: |
Dental Hygiene Process of Care
Health Education Strategies
- utilize assessment skills in medical/dental histories as it applies to patient's radiographic needs.
Infection & Hazard control Procedures:
- communicate evidence based information of radiation exposure to fearful patients
Ethical & Legal Principles:
- demonstrate knowledge in the prevention of infectious disease
- list proper infection control procedures in the radiographic dental operatory
- list the procedures for film holder sterilization
- demonstrate non maleficence or 'do no harm' to the patient by listing two protective factors provided to the patient to reduce radiation absorption.
- describe the radiation protective factors that must be applied to the operator for the prevention of exceeding the occupational dose limit.
- describe the legal requirements related to dental radiology as prescribed by the dental practice act.
- list the guidelines involving the prescription of radiographs
|3. Special Facilities and/or Equipment - |
|Multimedia classroom |
|4. Course Content (Body of knowledge) - |
- The dental x-ray machine: (Lec)
- amperage,voltage,rad, rem, roentgen, contrast, density
- X-ray Production in the Coolidge tube
- source of electrons and thermionic energy
- kVp and kinetic energy
- tungsten target and copper stem
- Biologic effects of radiation production.(Lec)
- Effects of ionizing radiation on the individual cell.
- Theories of the effect of radiation on the cell.
- Radiosensitivity of individual tissues.
- Cumulative effect of x-ray damage.
- Maximum permissible dose
- lead shield
- inherent filtration devices
- film speed and film holders
- Radiation protective measures
- FDA and ADA guidelines for the patient exposures
- ALARA principle
- intensifying screens
- Radiation Protective Factors for the Operator (Lec)
- wall construction
- exposure button placement
- training and licensing
- X-ray Production (Lec)
- Parts of the Collidge tube.
- Types of radiation produced by the Coolidge tube.
- Source of electrons.
- Source of radiation.
- Effects of time, milliamperage, and kilovoltage on x-ray production.
- Intraoral Radiographs (Lec)
- radiation measurements
- intraoral vs. extraoral vs. panoramic
- film holders
- Dental Anatomy (Lec)
- Image Characteristics (Lec)
- Film processing (Lec)
- Organization of the darkroom.
- Chemical composition of the developing solutions.
- Types of film.
- Hand and automatic processing techniques
|5. Repeatability - Moved to header area.|
|6. Methods of Evaluation - |
|The student will demonstrate proficiency by |
- written quizzes,
- final exam.
- Detailed evaluation and analysis of dental radiographs will be required.
|7. Representative Text(s) - |
|Iannucci,Howerton. Dental Radiography, Principles and Techniques 3rd Edition, Saunders Publishing. 2006 ISBN #13 978-0-7216-1575-2 |
Yamamoto, J. DH 60A Radiology Lecture Syllabus 2010
|8. Disciplines - |
|Dental Hygiene |
|9. Method of Instruction - |
|Method of instruction may include, but are not limited to |
- cooperative learning exercises
|10. Lab Content - |
|Not applicable. |
|11. Honors Description - No longer used. Integrated into main description section.|
|12. Types and/or Examples of Required Reading, Writing and Outside of Class Assignments - |
- Read assignments from the course primary textbook chapters 2,3,4 on radiation basics including radiation physics, radiation characteristics of beam quality and radiation biology.
- Review and complete the multiple choice quiz located at the end of each chapter.
- Students will synthesize and understand radiologic theories and apply it to the interpretation of dental radiographs.
|13. Need/Justification - |
|This course is a required core course for the AS degree in Dental Hygeine. |