300 Dental Anatomy: Miscellaneous Flashcards

1
Q

Physiological rest position is also known as:

A

postural position

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2
Q

TRUE OR FALSE:

Postural position is NOT a border position

A

True

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3
Q

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

A

mandibular musculature

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4
Q

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

A

Temporalis, anterior fibers

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5
Q

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

A

Curve of Spee

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6
Q

The usual overjet is about:

A

2-4 mm

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7
Q

Horizontal overlap = ?

A

overjet

*jet flying across horizon

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8
Q

Vertical overlap = ?

A

overbite

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9
Q

The main component of enamel is:

A

inorganic matter

NOT collagen!!!

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10
Q

Direction of enamel rods for permanent teeth is:

A

towards the gingiva

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11
Q

Result of normal enamel apposition:

A

Perikymata

*outside tooth

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12
Q

Caries production stimulates formation of:

A

tertiary dentin

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13
Q

The primary function of pulp is:

A

to form dentin

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14
Q

Formed by dental papilla:

A

dentin, pulp

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15
Q

The most highly mineralized dentin:

A

IntrA or peritubular dentin

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16
Q

The DEJ occurs at the junction of:

A

dental papilla + inner enamel epithelium

17
Q

The softest dental tissue:

A

cementum

18
Q

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

A

forward and downward

19
Q

The non-working condyles move:

A

downward, forward, medial

20
Q

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

A

Anterior guidance

21
Q

Centric Occlusion (CO) = ?

A

Intercuspal position

22
Q

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

A

Intercuspal position

23
Q

Centric relation is a _______ guided position.

A

ligament

24
Q

Centric occlusion is a ______ guided position.

A

tooth

25
Q

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

A

Maximum intercuspal position (MIP)

26
Q

The side shift of the mandible is also known as:

A

Bennett Movement

27
Q

When does the Bennett movement occur?

A

During the earliest stage of lateral movement

28
Q

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

A

Working condyle

29
Q

Physiological rest position is also known as:

A

Postural position

30
Q

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

A

parabolic

31
Q

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

A

straight line