Radiology Pt. 3

Question 1

gingivitis radiographically

Answer 1

cannot see until it is periodontitis

Question 2

peridontium progression

Answer 2

crestal lamina dura to apical lamin dura

Question 3

normal alveolar crest to CEJ

Answer 3

2mm apical, parallels adj CEJ

Question 4

shape of CEJ in post vs ant

Answer 4

flat in post and pointed in the ant.

Question 5

shape of alveolar crest

Answer 5

paralleles line from two adj CEJs, can be slanted

Question 6

loss at an angle, that is parallel to CEJs

Answer 6

horizontal loss

Question 7

vertical loss

Answer 7

loss that is not parallel to the adj CEJs

Question 8

maxillary branch of trigeminal

Answer 8

through rotundum, under orbit called infraoribital n. –> ant. sup. alveolar n. which supply maxillary teeth

Question 9

Needs to be visible in order to detect incipient (early) caries in a radiograph

Answer 9

the inter-proximal spaces on a BW

Question 10

Periapical radiograph

Answer 10

shows the crown and all of the root including 2-3mm of surrounding bone

Question 11

first site of periodontitis

Answer 11

loss of alveolar crest

Question 12

calculus

Answer 12

local irritant and change in outline form and radiopaque

Question 13

Classifications of Furcations

Answer 13

I=incipient
II=partial
III=complete
IV=visible clinically

Question 14

Furcation more visible in max or mand molars

Answer 14

mand molars b/c palatal root (3 roots) in maxilla

Question 15

Panoramic

Answer 15

mandible + TMJ, ramus and maxilla + maxillary sinus

Question 16

train tracks on face

Answer 16

infraorbital foramen which V2 infraorbital n. passes through

Question 17

thin radiopacities running from sup lat to inf central

Answer 17

inf alveolar n from mandibular foramen to mental foramen