Important Info RQ

Question 1

Answer 1

sphenoid sinus on a lateral cephalogram

Question 2

Answer 2

frontal sinus on a lateral cephalometric radiograph

Question 3

What do you use to evaluate mediolateral developmental changes?

Answer 3

PA cephalometric

Question 4

Answer 4

Anterior Topographical Maxilla

Question 5

Answer 5

Anterior Topographical Mandible

Question 6

Answer 6

genial tubercle on topographic mandibular occlusal projection
(this is a standard cross-sectional of mandible NOT topographic)

Question 7

Where is the horizontal and vertical magnification equal?

Answer 7

Central plane of the image layer

Question 8

Where is the focal trough more narrow?

Answer 8

Anterior/incisal

Question 9

What is the distortion if the teeth are located outside of the central plane towards the rotation center?

Answer 9

Stretched wide in a horizontal direction

Question 10

What is located between x-ray source and the rotation center?

Answer 10

Ghost image

Question 11

Answer 11

double real image of cervical spine

Question 12

What causes a double real image cervical spine?

Answer 12

Too far forward

Question 13

Answer 13

double real image of epiglottis

Question 14

Answer 14

Double real image of hyoid

Question 15

Answer 15

soft palate double real image

Question 16

Answer 16

ghost image of necklace

Question 17

Answer 17

ghost image of lead apron

Question 18

Answer 18

Zygomatic process of the maxilla

Question 19

Answer 19

Pterygopalatine fossa/ pterygomaxillary fissure

Question 20

What is the cause of wide anterior teeth on a pano?

Answer 20

too far back

Question 21

What cuases flat occlusal plane on a pano?

Answer 21

chin up

Question 22

What causes ghost image of cervical spine?

Answer 22

patient slumped

Question 23

What affects caires presentation?

Answer 23

angle of beam and degree of cavitation

Question 24

What is this?

Answer 24

moderate caries

Question 25

What dental caries classification is this?

Answer 25

E2

Question 26

What are these?

Answer 26

advanced interproximal caries

Question 27

What is the state of this abutment tooth?

Answer 27

no recurrent caries

• I couldn’t find a good picture of this

Question 28

What statement is true?

a. Buccal caries are harder to project/see
b. 50% of the enamel must be gone to see D1 caries

Answer 28

a. Buccal caries are harder to project/see

• file had conflicting answers but I think this is true

Question 29

What is this?

Answer 29

root surface caries

Question 30

What causes burnout?

Answer 30

failure to line up interproximal line angles

Question 31

What does this molar have?

Answer 31

Mesial burnout and occlusal caries

Question 32

What is the crown:root ratio for this tooth?

Answer 32

2:1

Question 33

What can cause periodontal disease that you can see on a radiograph?

Answer 33

tilted or rotated teeth

Question 34

Which of these statments is true
a. Vertical bone loss on 9 and horizontal bone loss on maxillary incisors
b. mobility on 9
c. periodontal pocket

Answer 34

a. Vertical bone loss on 9 and horizontal bone loss on maxillary incisors

Question 35

Bone levels on the mesial of this molar

Answer 35

within normal limits

Question 36

Answer 36

calculus with bone loss

Question 37

What type of bone loss is this?

Answer 37

moderate