CHAPTER 21: OCCLUSAL AND LOCALIZATION TECHNIQUES

Question 1

used to examine large areas of the maxilla or the mandible.

Answer 1

OCCLUSAL TECHNIQUE

Question 2

Occlusal imaging can be used for the following purposes:

Answer 2

LOCATE RETAINED ROOTS

LOCATE SUPERNUMERY TEETH

LOCATE FOREIGN BODIES

EVALUATE LESIONS

EVALIATE FRACTURES

MEASURE AREA OF CLEFT PALATE

MEASURE CHANGES IN SIZE AND SHAPE OF MAXILLA OR MANDIBLE

Question 3

Where is the receptor placed in the occlusal technique

Answer 3

placed with the tube side facing the arch that is being exposed.

Question 4

For maxillary occlusal exposures, the patient’s head must be positioned with the maxillary arch ________ to the floor and the midsagittal (midline) plane _________ to the floor.

Answer 4

parallel

perpendiular

Question 5

Three maxillary occlusal projections are commonly used:

Answer 5

1. topograhic
2. lateral
3. pediatric

Question 6

is used to examine the palate and the anterior teeth of the maxilla

Answer 6

maxillary topographic occlusal projection

size 4 (+65 degrees)

Question 7

used to examine the palatal roots of molar teeth. It may also be used to locate foreign bodies or lesions in the posterior maxilla

Answer 7

lateral projection

size 4
+60 degrees

Question 8

used to examine the anterior teeth of the maxilla and is recommended for use in children 5 years or younger

Answer 8

pediatric projection

size 2 (+60 degrees)

Question 9

Three mandibular occlusal projections are commonly used:

Answer 9

1. topographic
2. cross-sectional
3. pediatric

Question 10

used to examine the anterior teeth of the mandible

Answer 10

mandibular topographic projection

size 4 (-55 degrees)

Question 11

used to examine the buccal and lingual aspects of the mandible. It is also used to locate foreign bodies or salivary stones in the region of the floor of the mouth

Answer 11

cross sectional projection

size 4 (90 degrees)

Question 12

is used to examine the anterior teeth of the mandible and is recommended for use in children 5 years or younger (

Answer 12

mandibular pediatric occlusal projection

size 2 (-55 degrees)

Question 13

a method used to locate the position of a tooth or an object in the jaws

Answer 13

localization technique

Question 14

Localization techniques can be used to obtain ___________ information.

Answer 14

3 dimensional

Question 15

Localization techniques may be used to locate the following:

Answer 15

foreign bodies

impacted teeth

unerupted teeth

retained roots

jaw fractures

Question 16

Two basic techniques are used to localize objects:

Answer 16

buccal object rule

right angle technique

Question 17

governs the orientation of structures portrayed in two images exposed at different angulations.

Answer 17

buccal object rule

Question 18

SLOB rule
Same = ______
opposite = _________

Answer 18

lingual

buccal