DNHY 1119 - Dental Radiography Lab

Credit Hours: 2.00

Objectives:

1. List five uses of dental radiographs.
2. List other imaging modalities available in dentistry.
3. Identify the individual who discovered X-rays.
4. Identify the individual who discovered dental X-rays.

Outcome 2: Upon completion of this course, students will be able to summarize the components of an X-ray machine.

Objectives:

1. Identify the parts of the X-ray head.
2. Identify the elements of the X-ray tube.
3. Define filtration.
4. Define collimation.
5. Summarize various types of position indicating devices.

Outcome 3: Upon completion of this course, students will be able to summarize how X-Rays are produced.

Objectives:

1. Explain the purpose of the step-down transformer.
2. Explain the purpose of the step-up transformer.
3. Explain the controlling factors considered during X-ray exposure.
4. Explain high-voltage potential.
5. Explain the thermionic-emission effect.

Outcome 4: Upon completion of this course, students will be able to summarize radiation safety protocols.

Objectives:

1. Demonstrate the methods of patient radiation protection.
2. Demonstrate the methods of clinician radiation protection.
3. Identify the agencies responsible for regulations of hazardous disposal of X-ray products.
4. Explain the factors that determine radiation injuries.
5. Explain the sequence of events following radiation exposure.
6. Demonstrate ALARA.
7. Explain the impact of the direct and indirect theories of biological damage.
8. Identify radio sensitive cells of the body.
9. Identify radio resistance cells of the body.
10. Explain risks and benefits of dental radiographs.
11. Explain the maximum permissible dose (MPD) for radiation workers.
12. Explain the maximum permissible dose (MPD) for the general public.

Outcome 5: Upon completion of this course, students will be able to explain the fundamental systems of digital radiography.

Objectives:

1. Demonstrate how digital imaging software can alter X-Ray images.
2. Demonstrate proper set up of digital sensor.
3. Demonstrate proper receptor storage.

Outcome 6: Upon completion of this course, students will be able to explain intra- and extraoral radiographic techniques.

Objectives:

1. Identify the anatomical points of entry for specific radiographs.
2. Explain the three primary purposes of bitewings.
3. Identify errors resulting from incorrect vertical angulation.
4. Identify errors resulting from incorrect horizontal angulation.
5. Identify errors resulting from incorrect patient placement in the panoramic machine.
6. Identify common exposure errors.
7. Identify common processing errors.
8. Identify differences between periapical, bitewing, occlusal, and panoramic images.

Outcome 7: Upon completion of this course, student will be able to demonstrate obtaining dental X-rays on an adult and pediatric DXTTR X-ray trainer.

Objectives:

1. Demonstrate obtaining anterior periapical X-rays.
2. Demonstrate obtaining posterior periapical X-rays.
3. Demonstrate obtaining panoramic X-rays.
4. Demonstrate obtaining horizontal bitewing X-rays.
5. Demonstrate obtaining vertical bitewing X-rays.
6. Demonstrate obtaining occlusal X-rays.
7. Demonstrate paralleling technique.
8. Demonstrate bisecting angle technique.

• Communication: The graduate can communicate effectively for the intended purpose and audience.
• Critical Thinking: The graduate can make informed decisions after analyzing information or evidence related to the issue.
• Global Literacy: The graduate can analyze human behavior or experiences through cultural, social, political, or economic perspectives.
• Information Literacy: The graduate can responsibly use information gathered from a variety of formats in order to complete a task.
• Quantitative Reasoning: The graduate can apply quantitative methods or evidence to solve problems or make judgments.
• Scientific Literacy: The graduate can produce or interpret scientific information presented in a variety of formats.

1. History of Dental Radiography
2. X-Ray Machine & Components
3. Radiation Safety - Biological Damage
4. Radiation Safety - Safety Protocol
5. Radiography Techniques - Paralleling
6. Radiography Techniques - Bisecting Angle
7. Dental Imaging Receptors
8. Film Processing (Midterm)
9. Obtaining Quality Radiographs - Input
10. Obtaining Quality Radiographs - Quality Assurance
11. Fundamentals of Radiography - Infection Control
12. Fundamentals of Radiography - Federal & State Regulations
13. Extraoral Imaging
14. Occlusal Imaging
15. Normal Radiographic Anatomy; Dental Caries
16. Periodontal Disease