Dental Rad Theory Flashcards

1
Q

Who prescribes radiographs

A

Dentist

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2
Q

What is the primary benefit of radiographs

A

Detection

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3
Q

What is the most important use of radiographs

A
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4
Q

What is x radiation

A
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5
Q

Which cell has the greatest binding energy

A

K

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6
Q

Describe ionization and process

A
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7
Q

What is primary radiation

A
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8
Q

What is what is secondary radiation

A
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9
Q

What is leakage radiation

A
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10
Q

What is Compton scatter

A
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11
Q

What is coherent scatter

A
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12
Q

What is electromagnetic radiation

A
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13
Q

What are the 3 components of dental X-ray machines

A
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14
Q

What does the tube head consist of

A
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15
Q

What does the filter of the X-ray tube do

A
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16
Q

What is insulating oil used for

A
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17
Q

Where does thermionic emission occur

A
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18
Q

What does cathode include.
+ or -

A
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19
Q

What does anode include
+ or -

A
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20
Q

What form of radiation is least penetrating power

A
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21
Q

Step up transformer

A
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22
Q

Step down transformer

A
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23
Q

What is collimation

A
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24
Q

Is a rectangular or a circular collimator better

A
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25
Q

What does the collimator do

A
26
Q

What is safety code 30

A
27
Q

What does alara stand for

A
28
Q

What is the occupational workers exposed dose

A
29
Q

What is maximum permissible dose

A
30
Q

When do we use a thyroid collar

A
31
Q

When do we use a lead apron

A
32
Q

What does an xcp holder consist of

A
33
Q

What is a stable bite block

A
34
Q

What are the films called when being placed inside the mouth
Intra oral or extra oral

A
35
Q

What is the paralleling technique

A
36
Q

5 basic rules for paralleling?

A
37
Q

Is paralleling more accurate than bisecting

A
38
Q

What is a periapical radiograph

A
39
Q

What are the sizes of receptors and where is each size used

A
40
Q

What is bitewing technique

A
41
Q

Rules for bitewing techniques

A
42
Q

What are bitewings used for

A
43
Q

What is horizontal angulation

A
44
Q

What is vertical angulation

A
45
Q

What are vertical bitewings used for

A
46
Q

What is overlap

A
47
Q

What are open contacts

A
48
Q

What is the date X-rays were discovered and by who

A

Whilhelm roentgen
Nov 8 1895

49
Q

Who first introduced paralleling technique

A

F.G Fitzgerald

50
Q

What is ionization

A
51
Q

What is free radical formation

A
52
Q

What is dose response curve

A
53
Q

What are stochastic and non stochastic effects

A
54
Q

What is the latent period

A
55
Q

What is the injury period

A
56
Q

What is the sequence of radiation injury

A
57
Q

What is somatic effects

A
58
Q

What are genetic effects of

A
59
Q

Risk vs benefit of dental images

A
60
Q

What cells are most sensitive and radio resistant to radiation exposure

A
61
Q

What do these units of measurement measure; roentgen, gray and sievert

A
62
Q

Edmund Kells

A

First to take dental X-ray on living person