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oral biology and clinical sciences 1 > radiographs > Flashcards

Flashcards in radiographs Deck (16)
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1

X-ray photons traversing tissue may?

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

2

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

image receptor

3

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

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

4

what is processing in relation to x-rays?

conversion of latent images to permanent visible images

5

how may radiograph processing be carried out?

- digitally (computer)
- chemically (film)

6

name the 3 types of intra-oral radiographs

- bitewings
- periapical
- occlusal

7

name the 3 types of extra-oral radiographs

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

8

which does a bitewing radiograph capture?

- premolars and molars
- alveolar bone

9

what does a periapical radiograph capture?

full tooth including apex and tip of root

10

what does a panoramic radiograph capture?

whole dentition

11

what does an occlusal radiograph capture?

occlusal surface of teeth

12

what is used to view a radiograph ?

viewing box

13

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

should curve anteriorly posteriorly producing a happy smile

14

which teeth have 1 root?

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

15

which teeth have 2 roots?

- upper 1st premolar
- lower molars

16

which teeth have 3 roots?

upper molars