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Oral Physio > TMJ > Flashcards

TMJ Flashcards

1
Q

opening and closing

A

Hinge (rotational)

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2
Q

downward and forward, complex

A

Gliding (translational)

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3
Q

Mandibular fossa boundaries

A

Anterior:articular eminence
External: Middle root of zygoma and auditory processes
Posterior : Tympanic plate of petrous portion of temporal bone

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4
Q

Joint capsule inner

A

Synovial

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5
Q

Joint capsule outer

A

Fibrous

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6
Q

Joint capsule blood supply

A

Maxilliary A, Temporal A,Masseteric A

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7
Q

mandibular ligament Origin and insertion and function

A

O: articular tubercle
I:posterior surface of the condyle

F: restrict backward and inferior movement of mandible to prevent dislocation during forward

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8
Q

Lower joint space function

A

Hinge: opening and closing

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9
Q

Upper joint space

A

Transitional: downward and forward

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10
Q

Temporalis OINA

A

O: temporalis surface of frontal bone
I: coronoid process of mandible
A: rasises and retract mandible

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11
Q

Internal pterygoid OINA

A

O: pterygoid fossa of pterygoid process
I: pterygoid tuberosity of mandible
A: raises angle of mandible

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12
Q

Masseter OINA

A

O: pterygoid fossa of pterygoid process
I: pterygoid tuberosity of mandible
A: raises angle of mandible

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13
Q

Lateral pterygoid OINA

A

O: infra temporal crest of greater wing of sphenoid bone
I: neck of mandible
A:unilateral contraction pulls mandible to opposite side

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14
Q

Lateral pterygoid functions:
SH AND IH

A

SH: elevation and medial
IH: depression and protrusion

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15
Q

Static

A

Not moving

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16
Q

Dynamic

A

Moving

17
Q

Occlusion of opposing teeth when mandible is in centric location may or may not coincide intercuspal position or maximum intercuspation

A

Centric occlusion

18
Q

Maximum occlusal intercuspation irrespective of mandibular condyle position or centric relation

A

Intercuspal position/maximum intercuspation

19
Q

Position of mandible in which the condyle are in their uppermost position in the mandibular fossa and related anteriorly to the distal slope of the articular eminence

A

Centric relation

20
Q

Habitual postural position of mandible when patient is resting comfortable in the upright position and condyles are in neutral unsreained position in the glenoid fossa

A

Physiologic rest position of mandible

21
Q

Lateral movement of mandible wherein condole appears to rotate with a slight lateral shift in the direction of the movement

A

Bennett movement

22
Q

Anatomic morphology of the medial wall of the glenoid fossa and the end of the condylar shift or movement on the non working side

A

Bennett angle

Oral Physio (3 decks)

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