Deck 15: Orthodontics

Question 1

Which type of malocclusion would result in an appearance of a retruded mandible?

A) Class I
B) Class III
C) mesioclusion
D) distoclusion

Answer 1

distoclusion

Question 2

The purpose of headgear is to provide internal force.

Answer 2

False

Question 3

Which type of malocclusion would result in the appearance of a protruded mandible?

A) mesioclusion
B) distoclusion
C) Class I
D) Division II

Answer 3

mesioclusion

Question 4

Interceptive orthodontics includes all of the following EXCEPT

A) tongue retrainer
B) incline biteplane
C) elimination of habits
D) correcting improper growth patterns

Question 5

Preventive orthodontics includes all of the following EXCEPT

A) correction of caries
B) tongue retrainer
C) space maintainers
D) myotherapy

Question 6

Infraversion is a term used to describe a tooth that is not fully erupted.

Question 7

Divisions are a part of which class(es) of malocclusion?

A) Class I
B) Class II
C) Class III
D) all of the above

Question 8

Distoclusion also is known as which classification of malocclusion?

A) Class I
B) Class II
C) Class III
D) Division II

Question 9

Mesioclusion also is known as which classification of malocclusion?

A) Class I
B) Class II
C) Class III
D) Division I

Question 10

Cementing a metal bracket to a tooth is called

A) banding
B) direct bonding
C) Invisalign
D) AOO

Question 11

Neutroclusion also is known as Class II occlusion.

Question 12

The purpose of a facebow is to move molars mesially for more posterior space.

Question 13

Corrective orthodontic procedures reduce or eliminate malocclusion.

Question 14

The malocclusion in which the mesial-buccal cusp of the mandibular first molar is anterior to the buccal groove of the maxillary first molar is a

A) Class I
B) Class II
C) Class III
D) none of the above

Question 15

The teeth in Division I would appear as

A) all teeth in normal positions
B) maxillary incisors lingually inclined
C) maxillary incisors protruding
D) most teeth in normal positions

Question 16

Orthodontia is the branch of dentistry dealing with prevention and correction of abnormally aligned teeth.

Question 17

Neutroclusion also is known as which classification of malocclusion?

A) Class I
B) Class II
C) Class III
D) Division I

Question 18

A mouthguard is a removable plastic splint worn at night to lessen the harmful effects of patient's grinding of teeth (bruxism).

Question 19

The malocclusion in which the mesial-buccal cusp of the maxillary first molar is anterior to the buccal groove of the mandibular first molar is a

A) Class II
B) Class III
C) Division I
D) Division II

Question 20

A Class I occlusion indicates that all teeth are in the proper position.

Question 21

Moving a tooth to a more upright position is called ____________________.

Question 22

A cervical device

A) goes around the patient's neck
B) attaches to a facebow
C) is used to retract teeth
D) all of the above

Question 24

Altering the position of a tooth around its long axis is called ____________________.

Question 26

Moving a root without moving the crown is called ____________________.

Question 27

Orthodontic treatment undertaken to facilitate other dental procedures such as cleft palate surgery is called ____________________ orthodontics.

Question 28

Moving a tooth deeper into the alveolus is called ____________________.

Question 29

Moving a tooth to an alternate position is called ____________________.

Question 30

Placement of metal bands around teeth is called ____________________.

Question 31

Braces that are placed on the tongue side of the teeth are called ____________________ braces.

Question 32

Which of the following controls mandibular growth?

A) a cervical device
B) a high-pull device
C) a chin device
D) all of the above

Question 33

Elevating a tooth out of the alveolus is called ____________________.