300 Dental Anatomy: Miscellaneous

Question 1

Physiological rest position is also known as:

Answer 1

postural position

Question 2

TRUE OR FALSE:

Postural position is NOT a border position

Answer 2

True

Question 3

Mandibular postural position is determined almost exclusively by the behavior of:

Answer 3

mandibular musculature

Question 4

If you move from postural position to centric occlusion, you will be using what muscle?

Answer 4

Temporalis, anterior fibers

Question 5

The anterior-posterior curvature of the occlusal surface, seen in facial view.

Answer 5

Curve of Spee

Question 6

The usual overjet is about:

Answer 6

2-4 mm

Question 7

Horizontal overlap = ?

Answer 7

overjet

*jet flying across horizon

Question 8

Vertical overlap = ?

Answer 8

overbite

Question 9

The main component of enamel is:

Answer 9

inorganic matter

NOT collagen!!!

Question 10

Direction of enamel rods for permanent teeth is:

Answer 10

towards the gingiva

Question 11

Result of normal enamel apposition:

Answer 11

Perikymata

*outside tooth

Question 12

Caries production stimulates formation of:

Answer 12

tertiary dentin

Question 13

The primary function of pulp is:

Answer 13

to form dentin

Question 14

Formed by dental papilla:

Answer 14

dentin, pulp

Question 15

The most highly mineralized dentin:

Answer 15

IntrA or peritubular dentin

Question 16

The DEJ occurs at the junction of:

Answer 16

dental papilla + inner enamel epithelium

Question 17

The softest dental tissue:

Answer 17

cementum

Question 18

When mandible moves from CO to edge-to-edge, the condyles move:

Answer 18

forward and downward

Question 19

The non-working condyles move:

Answer 19

downward, forward, medial

Question 20

What plays the greatest role in discluding the posterior teeth in latero-protrusive movements?

Answer 20

Anterior guidance

Question 21

Centric Occlusion (CO) = ?

Answer 21

Intercuspal position

Question 22

Teeth are in contact in what position during non-masticatory swallowing?

Answer 22

Intercuspal position

Question 23

Centric relation is a _______ guided position.

Answer 23

ligament

Question 24

Centric occlusion is a ______ guided position.

Answer 24

tooth

Question 25

What is the most superior point in Posselt’s envelop of motion?

Answer 25

Maximum intercuspal position (MIP)

Question 26

The side shift of the mandible is also known as:

Answer 26

Bennett Movement

Question 27

When does the Bennett movement occur?

Answer 27

During the earliest stage of lateral movement

Question 28

The Bennett movement is the bodily shift of the mandible toward which condyle?

Answer 28

Working condyle

Question 29

Physiological rest position is also known as:

Answer 29

Postural position

Question 30

When viewed from the occlusal, the arrangement of teeth are:

Answer 30

parabolic

Question 31

When viewed from the occlusal the 4 posterior teeth in the mandibular arch are aligned in a:

Answer 31

straight line