Occlusion 30% 16Q

Question 1

The balancing side of occlusion is the (working/non-working) side

Answer 1

non-working

Question 2

During mastication, the non-working side condyle moves in which directions?

Answer 2

down

formward

medial

Question 3

Occlusal interferences usually happen at which teeth?

Answer 3

6s or 7s

Question 4

In canine protected occlusion, ____________ canine is out of occlusion during excursion

Answer 4

balancing

Question 5

In canine protected occlusion, the working side condyle ________ and the balancing side condyle _________

Answer 5

rotates

translates

Question 6

Excessive wear on the incisal edge of a lower left canine usually indicates a balancing interference on the (same/opposite) side

Answer 6

opposite

Question 7

metal step >2mm primary occlusion has the potential to become become:

Answer 7

class III

Question 8

distal step primary molar occlusion almost always become

Answer 8

class II

Question 9

A common source of balancing side contacts are the _______ cusps of ______

Answer 9

lingual

U7s

Question 10

name the two groups of teeth that have only one antagonist

Answer 10

L1s and U8s

Question 11

only tooth that contacts anterior and posterior antagonists

Answer 11

U3s

Question 12

what is the most stable tooth position? MI or CO?

Answer 12

MI

Question 13

if _____________ is achieved, occlusion will be down the long axis of the tooth

Answer 13

tripodization

Question 14

Condylar angulation/inclination/guidance can be obtained with a wax bite registration in the _______________ position

Answer 14

protrusive

Question 15

Angle formed by the sagittal plane and the path of the advancing condyle during lateral mandibular movements as viewed in the horizontal plane

Answer 15

Bennett Angle

Question 16

which tooth has its mesial marginal ridge more cervical that its distal marginal ridge?

Answer 16

L4s

Question 17

Clinical presentation of traumatic occlusion

Answer 17

mobility

Question 18

When extracting U4s only and leaving molar occlusion in class II, it is desirable to leave the U6s _________ rotated

Answer 18

mesially

Question 19

describe centric relation

Answer 19

the most superior anterior position of the condyle

Question 20

How many lbs of force are created during swallowing? How many N?

Answer 20

7-14 lbs

70-150N

Question 21

When a patient has steep premolar cusps, finish with a (deep/shallow) OB

Answer 21

deep

Question 22

T/F: Nocturnal bruxism is associated with occlusal interferences and NOT anxiety/stress

Answer 22

F, opposite

Nocturnal bruxism is associated with anxiety/stress and NOT occlusal interferences

Question 23

With an exaggerated curve of Wilson, you can expect to see ____________ side interferences.

Answer 23

non-working

Question 24

if there is anterior sliding of less that 2mm, you can eliminate this with what procedure?

Answer 24

selective grinding

Question 25

Which type of malocclusion has the best chewing efficiency and which has the worst?

Answer 25

Class 3 < Class 2 < Class 1 malocclusion < Class 1 normal

Question 26

Axial inclination of the canine can prevent class I ___________ occlusion

Answer 26

posterior