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
