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Flashcards in Final Revision Deck (82)
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1

Dental Radiography shows:
a. soft tissues
b. hard tissues

b. hard tissues

2

BTW is best used for?

interproximal caries and bone loss

you CANT see sinus

3

Best radiograph for fine details is?

BTW
-perpendicular to the teeth

4

Radiopaque means:
a. dark
b. white

b. white

5

Radiolucent means:

a. dark

6

To identify what kind of periapical radiograph you need to see:

which teeth are in the center of the xray

7

Which of these are radiopaque features?
a. metallic restoration
b. pulp
c. caries
d. LD
e. bone
f. granuloma
g. cyst/tumor
h. lesion
i. AMG
j. enamel
k. cervical burnout
l. mandibular canal
m. dentin
n. RCT
o. periodontal ligament
p. composite
q. foramen

a. metallic restoration
e. bone
i. AMG
j. enamel
n. RCT
p. composite
m. dentin

8

Which of these are radiolucent features?
a. metallic restoration
b. pulp
c. caries
d. LD
e. bone
f. granuloma
g. cyst/tumor
h. lesion
i. AMG
j. enamel
k. cervical burnout
l. mandibular canal
m. dentin
n. RCT
o. periodontal ligament
p. composite
q. foramen

b. pulp
c. caries
d. LD
f. granuloma
g. cyst/tumor
h. lesion
k. cervical burnout
l. mandibular canal
o. periodontal ligament
q. foramen

9

What happens with excessive vertical angulation?

shortened image

10

What happens with insufficient vertical angulation?

elongation

11

What happens with wrong horizontal angulation?

proximal contacts overlap, cone cutting

12

How to ensure correct vertical angulation?

up and down movement of PID

13

How deep is normal alveolar crest form DEJ?

less than 1.5 mm

14

Radiographs can show:
a. thickness of bone
b. depth of bone
c. position of bone

c. position of bone

15

What does MRI show?

soft tissues,TMJ disorders, salivary gland disease/tumor, metastatic diseases, oral cancer diagnosis

16

What does CBCT show?

bone detail, tumor, cysts, joint deficciency

17

What does CT show?

bone detail

18

Which cystic lesion is confused with benign odontogenic tumor?

Odontogenic Keratocyst (OKC) with Ameloblastoma

19

Which muscle is attached to external oblique ridge?

buccinator muscle

20

Which muscle is attached to internal oblique ridge?

mylohyoid muscle

21

Which are the peculiarities of panoramic radiography?

1. structures are flattened and spread out
2. real and ghost images -produced by panoramic structures
3. single and double real images -produced by midline structures

22

Can we see temporal process on periapical xray?

no only on panoramic xray

23

Where can we find hamular notch?

between maxillary tuberosity and pterygoid plate

24

What are the EARLY bone changes?

-crest looses cortication
-crest fuzzy appearcance
-crest blunts in anterior teeth
- 1-3 mm bone loss

25

What are the MODERATE bone changes?

-horizontal bone loss
-vertical bone loss
-osseus defects
- 3-5 mm bone loss

26

What are the ADVANCED bone changes?

-furcation involvement
-large bony defects
-periodontal abscess
-bone loss > 5 mm

27

What is caries?

=bacterial disease in mouth

28

Which is the most common bacteria?

S mutans

29

What is plaque?

=a layer of bacteria and saliva

30

Decalcifying area on tooth looks like:
a. white
b. dark

a. white