1114 exam part 2

Question 1

what is Sievert (Rem)

Answer 1

Measures radiation dose effect on tissue.

Question 2

what is Gray (Rad)

Answer 2

Measures absorbed radiation energy.

Question 3

what is Coulombs per Kilogram (Roentgen)

Answer 3

Measures ionization in air.

Question 4

what is Paralleling Technique Protocol

Answer 4

Place film parallel to tooth’s long axis, position X-ray beam perpendicular to both film and tooth, and use a film holder to stabilize.

Question 5

describe Cephalometric

Answer 5

Lateral skull image for orthodontics.

Question 6

describe Cone Beam CT

Answer 6

3D imaging for detailed views of teeth and jaws.

Question 7

what are some Panoramic Image Errors & Corrections

Answer 7

Ghost Image: Remove all metal/jewelry.
Chin Too High: Lower chin; Frankfort plane parallel to the floor.
Chin Too Low: Raise chin; Frankfort plane parallel to the floor.
Thin/Out-of-Focus Teeth: Ensure proper midline positioning.
Artifact in Image: Remove all removable items.
Dark Radiolucent Shadow: Ensure tongue touches the roof of the mouth.