Dentistry #2 Radiology review

Question 1

% of tooth not visible

Answer 1

70-80% below gumline

Question 2

Extractions require ____ and ____ radiographs

Answer 2

pre : to assess level of involvement
post: confirm if extraction complete and any further treatment needed

Question 3

3 pieces of personal protection equipment used in radiography

Answer 3

lead gown, gloves , thyroid protector

Question 4

whats the legally required radiation ready that every individual needs to wear when taking radiographs?

Answer 4

Dosimeter

Question 5

what are the parts of the radiograph equipment

Answer 5

xray generator and receptor

Question 6

4 patient positions for taking radiographs

Answer 6

lateral sternal dorsal and angled

Question 7

2 things involved in radiographic techniques

Answer 7

The way you angle the generator to the sensor & the settings of the generator machine

Question 8

lateral xrays optimal for

Answer 8

optimal for pre molars and molars
can do open or closed mouthed
less movement of patient +endotracheal tube

Question 9

dorsal xrays optimal for

Answer 9

mandibular incisors/canines, possibly for lower premolars​

Question 10

Sternal xray optimal for

Answer 10

Used for maxillary incisors, canines and premolars

Question 11

important tips for taking radio graphs

Answer 11

be consistent
focus on root, dont need all of crown
distance 4 inches from the sensor to generator

Question 12

what are the 3 angles for taking radiographs

Answer 12

bisecting, extra-oral, parallel

Question 13

Bisecting

Answer 13

Used for all teeth except mandibular premolars 3 & 4 & molars
Best technique for cats
“Sun technique”

Question 14

Parallel

Answer 14

Used on caudal mandibular premolars & molars in dogs & catse

Question 15

extra-oral

Answer 15

rarely used

Question 16

how many radiographs are needed to take a full mouth series in dogs + cats

Answer 16

dogs: minimum of 10 (depends on patient size & system used)​

Cats: 8 films