TMD Exam 1 Flashcards

1
Q

___________ must be understood before dysfunction can have meaning

A

Function

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2
Q

Functional unit of the body responsible for chewing, speaking, and swallowing while also playing a major role in tasting and breathing

A

Masticatory system

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3
Q

Understanding of the masticatory system’s functional anatomy and biomechanics is essential to the study of _____________

A

occlusion

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4
Q

Hypothetical concept or a standardized goal

A

Ideal

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5
Q

Implies the variations around an average mean value

A

Normal

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6
Q

Describe ideal occlusion

A

Coincident midline
No crowding, spacing, rotation
Overjet 1-3mm
Overbite 15-20%
Correct crown angulation, inclination
Class I molar/canine relationship
Flat or slightly upward curve of spee

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7
Q

Describe normal occlusion

A

Some deviation from ideal, but esthetically acceptable and functionally stable

Upper and lower teeth fit nicely and evenly with the least amount of destructive interferences

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8
Q

Criteria for ideal occlusion

What should the vertical contact during closure be?

A

Distributed evenly and simultaneously
Primarily on posterior teeth

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9
Q

Criteria for ideal occlusion

What should the lateral movement contact on the working side be?

A

On teeth most capable of bearing the load, usually canines

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10
Q

Criteria for ideal occlusion

What should the lateral movement contact on the non-working side be?

A

NONE, it should not exist

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11
Q

Criteria for ideal occlusion

What should the protrusive movement contact be?

A

On anterior teeth only

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12
Q

The ____________ cusp of the upper 1st molar should hit the _________ groove of the lower 1st molar

A

mesiobuccal; buccal

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13
Q

Orthognathic

A

Class I

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14
Q

Retrognathic

A

Class II

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15
Q

Prognathic

A

Class III

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16
Q

What are the 3 mandibular positions?

A

Centric relation
Centric occlusion
Maximal intercuspal position

17
Q

Most orthopedically stable joint position

A

Centric relation

18
Q

The maxillomandibular relationship in which the condyles articulate, with the articular discs properly interposed, in the most antero-superior position against the posterior slope of the articular eminences

A

Centric relation

19
Q

Adequate position
Relaxed muscles
Independent from teeth
Position can be repeated

A

Centric relation

20
Q

Occlusion of opposing teeth when mandible is in centric relation

A

Centric occlusion

21
Q

May or may not coincide with maximal intercuspal position

A

Centric occlusion

22
Q

Maximum occlusal inter-arch contact irrespective of condylar position

A

Maximum intercuspal position

23
Q

May or may not occur in the path of centric relation

A

Maximum intercuspal position

24
Q

Bad bite

A

Malocclusion

25
Q

Closing up bite

A

Occlusion