Dental Radiology

4. Screen in cassette that decreases exposure time
7. extraoral radiograph that shows entire maxilla and mandible on one film
12. Radiation The radiation emitted from the x-ray tube head
13. Pattern Caused by film packet reversal
14. fundamental principle of radiography that shows imaging of one section of the body
17. an image made up of many small pieces to make a whole
19. Radiation The radiation that strikes the patient
20. Too much vertical angulation

1. film used outside the oral cavity
2. radiopaque artifact caused by metal in the head or neck area
3. Regulates the quantity of x-rays produced
5. Controls the shape and size of central beam shape
6. Container for extraoral radiographic film containing intensifying screens
8. Difference between the shades of grey
9. Too little vertical angulation
10. allows the dentist to display radiographs on a computer screen without exposing and processing film
11. Caused by improper horizontal angulation
15. Best x-ray technique for finding interproximal cavities
16. Image Caused by movements of the patients head, the tube head, or the film inside the mouth
18. Measure of the degree of darkness