radiographs

Question 1

X-ray photons traversing tissue may?

Answer 1

• pass through unaltered
• change direction with no energy loss (scatter)
• change direction losing energy (scatter with absorption)
• be stopped, depositing all energy within tissue

Question 2

what is the name of a divide which changes X-ray photons into images?

Answer 2

image receptor

Question 3

what are the 3 types of x-ray image receptors?

Answer 3

• digital receptor (direct or indirect)
• x ray film packet
• screen film combinations

Question 4

what is processing in relation to x-rays?

Answer 4

conversion of latent images to permanent visible images

Question 5

how may radiograph processing be carried out?

Answer 5

• digitally (computer)

- chemically (film)

Question 6

name the 3 types of intra-oral radiographs

Answer 6

• bitewings
• periapical
• occlusal

Question 7

name the 3 types of extra-oral radiographs

Answer 7

• panoramic
• lateral cephalometric radiograph (ortho)
• cone beam computer tomography (CBCT)

Question 8

which does a bitewing radiograph capture?

Answer 8

• premolars and molars

- alveolar bone

Question 9

what does a periapical radiograph capture?

Answer 9

full tooth including apex and tip of root

Question 10

what does a panoramic radiograph capture?

Answer 10

whole dentition

Question 11

what does an occlusal radiograph capture?

Answer 11

occlusal surface of teeth

Question 12

what is used to view a radiograph ?

Answer 12

viewing box

Question 13

how can the curve of spee be used to determine what that the images are in the correct place?

Answer 13

should curve anteriorly posteriorly producing a happy smile

Question 14

which teeth have 1 root?

Answer 14

• incisors
• canines
• all premolars other than maxillary 1st premolar

Question 15

which teeth have 2 roots?

Answer 15

• upper 1st premolar

- lower molars

Question 16

which teeth have 3 roots?

Answer 16

upper molars