Radiology

Question 1

Black areas

Answer 1

less dense! (i.e sinuses)-Radiolucent (let rays pass through)

Question 2

White Areas

Answer 2

Dense Areas (including enamel, dentin, and bone)-these are radiopaque and stop the rays from passing and hitting the sensor/film

Question 3

Radiopaque

Answer 3

white-dense areas that stopped the rays

Question 4

Radiolucent

Answer 4

Dark areas which allowed the rays to pass to the receptor

Question 5

Most mineralized thing in body

Answer 5

enamel

Question 6

Pulp chamber on radiograph

Answer 6

Radiolucent (not very mineralized) dark

Question 7

cannot be viewed radiographically

Answer 7

cementum- too thin

Question 8

DEJ

Answer 8

dentoenamel junction visible at shade change (dentin darker to enamel lighter)

Question 9

minerlization of enamel

Answer 9

92%

Question 10

minerlization of dentin

Answer 10

60%

Question 11

Periapical

Answer 11

around the root

Question 12

Peridontal

Answer 12

supportive structure around the tooth (gigiva,bone etc,)

Question 13

thin layer of collagen between tooth and bone

Answer 13

lamina dura

Question 14

holds tooth in socket

Answer 14

PDL

Question 15

alveolar crest

Answer 15

bone space seen between the teeth (mosre flat in post and pointed in ant)

Question 16

trend of alveolar crest

Answer 16

post-flat

ant-pointed

Question 17

dark spots in teeth

Answer 17

decay/caries

Question 18

fossas

Answer 18

bone is thinner so dark

Question 19

sutures

Answer 19

appear black

Question 20

ant. nasal spine

Answer 20

midline- shows up bright white

Question 21

incisive foramen

Answer 21

dark black behind teeth

Question 22

cheek folding

Answer 22

nasiolabial fold–> lighter

Question 23

white spot showing up behind last molars

Answer 23

maxillary tuberostiy

Question 24

mental ridge

Answer 24

bone ridge under teeth, can be v shaped