TCDHA Rad Theory FINAL
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1. First invented Xrays Wilhelm Conrad Roetgen 1895
2. Classifications of ionizing electromagnetic, particulate
radiation
3. electromagnetic radiation man made or occurs naturally, possesses no mass
4. Particulate radiation tiny particles of matter that possess mass and travel in straight lines
and at high speeds
5. Tube head is immersed in oil, to provide electrical insulation and dispense of heat
6. Cathode negative charge terminal made of tungsten
7. anode postive charge terminal made of copper
8. Cones 8 or 16 inches
9. Collimator Lead disk to restrict the size of the beam
10. High mA produces lighter image
11. Low kVp produces High contrast
12. transformers A device that increases or decreases the voltage of an electrical
current
13. Compton scattering 62 percent
14. Roentgen does not have a SI equivalent
_____________
15. Paralelling technique ad- accurate, simple, standardized
vantages
, TCDHA Rad Theory FINAL
Study online at https://quizlet.com/_ezkpzt
16. paralelling technique dis- film placement, discomfort
advantages
17. increased target receptor avoids magnification
distance
18. central ray is _____degrees 90
to receptor
19. if the lack of parallelism is less than 20
_______ the image is accept-
able
20. central ray is _______de- +10
grees to tooth surface
21. Radiolucent appears dark
22. radiopaque appears light
23. airspace black space between teeth
24. Xray film layers film base, adhesive layer, film emulsion, protective layer
25. what is the thickest layer of base
xray film?
26. components of film emul- gelatin and silver halide crystals
sion
27. latent image remains invisible until the film is processed
28. extraoral films panoramic and cephalometric
29. types of dental x-ray film
Study online at https://quizlet.com/_ezkpzt
1. First invented Xrays Wilhelm Conrad Roetgen 1895
2. Classifications of ionizing electromagnetic, particulate
radiation
3. electromagnetic radiation man made or occurs naturally, possesses no mass
4. Particulate radiation tiny particles of matter that possess mass and travel in straight lines
and at high speeds
5. Tube head is immersed in oil, to provide electrical insulation and dispense of heat
6. Cathode negative charge terminal made of tungsten
7. anode postive charge terminal made of copper
8. Cones 8 or 16 inches
9. Collimator Lead disk to restrict the size of the beam
10. High mA produces lighter image
11. Low kVp produces High contrast
12. transformers A device that increases or decreases the voltage of an electrical
current
13. Compton scattering 62 percent
14. Roentgen does not have a SI equivalent
_____________
15. Paralelling technique ad- accurate, simple, standardized
vantages
, TCDHA Rad Theory FINAL
Study online at https://quizlet.com/_ezkpzt
16. paralelling technique dis- film placement, discomfort
advantages
17. increased target receptor avoids magnification
distance
18. central ray is _____degrees 90
to receptor
19. if the lack of parallelism is less than 20
_______ the image is accept-
able
20. central ray is _______de- +10
grees to tooth surface
21. Radiolucent appears dark
22. radiopaque appears light
23. airspace black space between teeth
24. Xray film layers film base, adhesive layer, film emulsion, protective layer
25. what is the thickest layer of base
xray film?
26. components of film emul- gelatin and silver halide crystals
sion
27. latent image remains invisible until the film is processed
28. extraoral films panoramic and cephalometric
29. types of dental x-ray film