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Anatomy Final > TMJ + Face > Flashcards

TMJ + Face Flashcards

1
Q

What side of an infants skull will likely be deformed with right-side torticollis

A

Left side

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2
Q

How many bones are in the skull?

A

22

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3
Q

What cranium bone is not connected by a suture?

A

Mandible

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4
Q

What’s it called when the cranial bones fuse too early?

A

Cranial stenosis

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5
Q

What is the region called where the frontal, sphenoid, parietal and the temporal bone fuse?

A

Pterion

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6
Q

What are these 2 structures called?

A
  1. Coronal Suture
  2. Sagittal suture
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7
Q

What nerve innervates the muscles of the face?

A

Facial Nerve (Cranial Nerve 7)

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8
Q

What muscle pulls the nose inferiorly

A

Depressor Septi

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9
Q

What muscle shuts the eyes?

A

Orbicularis oculi

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10
Q

What muscle lifts the eyebrows and forehead?

A

occipitofrontalis

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11
Q

What muscle causes you to frown?

A

Depressor anguli oris

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12
Q

What muscle raises and protrudes the lower lip?

A

Mentalis

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13
Q

What kind of cartilage lines the mandibular condyle?

A

Fibrocartilage

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14
Q

What is this part of the mandible called?

A

Ramus

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15
Q

The lower part of the mandibular disc allows for what?

A

Depression and elevation

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16
Q

The upper part of the mandibular disc allows for what?

A

Protrusion and retraction

17
Q

What muscle attaches to the mandibular disc?

A

Superior head of the Lateral Pterygoid

18
Q

What nerve innervates the masseter

A

Masseteric Nerve coming from Anterior trunk of Mandibular Nerve

19
Q

What nerve innervates the Temporalis?

A

The deep temporal nerve coming from anterior trunk of mandible nerve

Note: The parent structure of the mandibular nerve is the trigeminal nerve

20
Q

What is the muscle action of the masseter?

A

Elevates mandible

21
Q

What is the muscle action of the temporalis?

A

Elevates and retracts mandible

22
Q

Name muscle 1 and 2

A

1: Temporalis

2: Masseter

Note: Both are muscles of mastication

23
Q

What 3 nerves come from the trigenimal nerve?

A

Mandibular Nerve (Only motor nerve)

Opthalmic (sensory)

Maxillary (sensor)

24
Q

What is this muscle and what is it’s innervation?

A

Medial Pterygoid

Nerve: Nerve to medial pterygoid from Mandibular Nerve

25
Q

What is the muscle action of the medial pterygoid

A

Elevate and contralaterally deviate mandible

26
Q

What is the muscle action of the lateral pterygoid

A

Protrusion and contralaterally deviates mandible

27
Q

True or false: The digastric muscle is a muscle of mastication

A

False

28
Q

What is the innervation of the digastric muscle?

A

Anterior belly: Trigenimal N

Post. Belly: Facial N (CN 7)

29
Q

What are the 3 signs of tempomandibular disorder?

A

Orofacial pain

Restricted Jaw Function

Joint Noise (with or without pain)

30
Q

What is bruxism?

A

Grinding of teeth

Anatomy Final (9 decks)

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