Quiz 5 - Occlusion

Question 1

Harmonious relationship of teeth and jaws

Answer 1

Ideal occlusion

Question 2

Dentist reproduces when restoring an entire mouth

Answer 2

Ideal occlusion

Question 3

Bad occlusion

Answer 3

Malocclusion

Question 4

Can be improper alignment of teeth or size and shape of the jaws

Answer 4

Malocclusion

Question 5

What are all of the occlusion stages called?

Answer 5

Angle’s classes of occlusion

Question 6

What class is ideal occlusion?

Answer 6

Class I

Question 7

What is class II & III?

Answer 7

Maloclussion

Question 8

What are the three classes of occlusion defined by?

Answer 8

The relationship between the permanent first molars or the canines

Question 9

-Teeth and jaws function harmoniously
-72% of population

Answer 9

Class I occlusion

Question 10

Mesial buccal cusp on the maxillary first molar is aligned with the mesiobuccal groove of the mandibular first molar

Answer 10

Class I occlusion

Question 11

Maxillary canine fits into the facial embrasure space between the mandibular canine and the mandibular first premolar

Answer 11

Class I occlusion

Question 12

What facial profile is associated with class I occlusion?

Answer 12

Orthognathic profile

Question 13

Disto-occlusion
- 22% of population

Answer 13

Class II malocclusion

Question 14

-Skeletal type of malocclusion
-Mandible too small or maxilla too large, or both
-Mandible behind where it would be

Answer 14

Class II malocclusion

Question 15

Mesiobuccal groove of mandibular molar is distal to the mesial buccal cusp of maxillary molar by at least the width of a premolar

Answer 15

Class II malocclusion

Question 16

If alignment differs by less than the distance of a premolar then it is known as what?

Answer 16

A tendency toward class II + III

Question 17

Mandible is retruded and all maxillary incisors are protruded
-Stick out

Answer 17

Class II division I

Question 18

Mandible is retruded and one or more maxillary incisors are retruded (Tilted in)

Answer 18

Class II division II

Question 19

Overjet

Answer 19

Class II division I

Question 20

Overbite

Answer 20

Class II division II

Question 21

• Mesio-occlusion
  -6% of population

Answer 21

Class III

Question 22

-Mandibular arch is anterior to the maxillary arch
-Relatively large mandible compared to maxillae

Answer 22

Class III

Question 23

-Mandible in front of where it should be
-Anterior crossbite

Answer 23

Class III

Question 24

Mesiobuccal groove of mandibular molar is mesial to the mesialbuccal cusp of maxillary molar by at least the width of a premolar

Answer 24

Class III

Question 25

What facial profile is associated with Class III malocclusion?

Answer 25

Prognathic profile

Question 26

What facial profile is associated with Class II malocclusion?

Answer 26

Retrognathic profile

Question 27

A tooth out of alignment to the labial anterior

Answer 27

Labioversion

Question 28

A tooth out of alignment to the labial posterior

Answer 28

Buccoversion

Question 29

A tooth out of alignment to lingual

Answer 29

Linguoversion

Question 30

Twisted tooth

Answer 30

Torsiversion

Question 31

Maxillary and mandibular cusp tips line up directly over each other

Answer 31

End-to-end

Question 32

Posterior mandibular teeth outside maxillary teeth

Answer 32

Crossbite

Question 33

Incisal edges of maxillary and mandibular incisors meet

Answer 33

Edge to edge bite

Question 34

Posterior teeth occlude but space between anterior incisal edges

Answer 34

Open bite

Question 35

Overerupted tooth that is abnormally long relative to the remaining occlusal surfaces

Answer 35

Supraeruption or extrusion

Question 36

Tooth is abnormally short relative to the occlusal plane

Answer 36

Infraocclusion or infraversion