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Oral Anatomy Muscles > Facial Oral Anatomy Muscles Insertion and Action > Flashcards

Facial Oral Anatomy Muscles Insertion and Action Flashcards

1
Q

What nerve are the facial muscles controlled by?

A

VII (7)

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2
Q

What are the muscles of facial expression

A

Epicranius, Orbicularis oculi, corrugator supercilii, procerus

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3
Q

What is the action of the epicranius?

A

Raise eyebrows and scalp

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4
Q

What is the nerve that controls the epicranius?

A

VII (7)

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5
Q

What is the action of the orbicularis oculi?

A

Close the eye lid. “squinting”

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6
Q

What is the nerve that controls the orbicularis oculi?

A

VII (7)

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7
Q

What is the action of the corrugator supercilii?

A

Moves the skin of the eyebrow medial and inferior (vertical wrinkles in the forehead)

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8
Q

What is the nerve that controls the corrugator supercilii?

A

VII (7)

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9
Q

What is the action of the procerus?

A

Horizontal wrinkles between the eyebrows (on the forehead)

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10
Q

What is the nerve that controls the procerus?

A

VII (7)

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11
Q

What is the action of the levator labii superioris alaeque nasi (LLSAN)?

A

Flaring of the nares

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12
Q

What is the nerve that controls the labii superioris alaeque nasi (LLSAN)?

A

VII (7)

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13
Q

what is the action of the levator labii superioris (LLS)?

A

Elevates the upper lip

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14
Q

What is the nerve that controls the levator labii superioris (LLS)?

A

VII (7)

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15
Q

What is the action of the zygomaticus major?

A

SMILE

Pulls angle of mouth superior and aterally

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16
Q

What is the nerve that controls the zygomaticus major?

A

VII (7)

17
Q

What is the action of the zygomaticus minor?

A

SMILE

Pulls angle of the mouth superior and lateral

18
Q

What is the nerve that controls the zygomaticus minor?

A

VII (7)

19
Q

What is the action of the levator anguli oris?

A

Pulls angle of mouth superior and lateral

20
Q

What is the nerve that controls the levator anguli oris?

A

VII (7)

21
Q

What is the action of the risorius?

A

Widens the mouth (pulls the corners laterally)

22
Q

What is the nerve that controls the risorius?

A

VII (7)

23
Q

What facial muscle isn’t attached to the bone?

A

Risorius

24
Q

What are the action of the buccinator?

A
  1. Pulls angle of the mouth laterally
  2. Shortens cheek vertically
  3. Shortens cheek horizontally
25
Q

What muscle of the facial muscles is an accessory to mastication?

A

Buccinator

26
Q

What muscle of the facial muscles have 3 actions?

A

Buccinator

27
Q

What muscle does these actions?

  1. Pulls angle of the mouth laterally
  2. Shortens cheek vertically
  3. Shortens cheek horizontally
A

Buccinator

28
Q

What muscle is NOT a muscle of mastication?

A

Buccinator

29
Q

What nerve controls the buccinator?

A

VII (7)

30
Q

What is the action of the orbicularis oris?

A

Closes the lips

31
Q

What is the nerve that controls the orbicularis oris?

A

VII (7)

32
Q

What is the action for the depressor anguli oris?

A

Depress angle of the mouth

33
Q

What is the nerve that controls the depressor anguli oris?

A

VII (7)

34
Q

What is the action for the depressor labii inferioris?

A

Depresses the lower lip

35
Q

What is the nerve that controls the depressor labii inferioris?

A

VII (7)

36
Q

what is the action for the mentalis?

A

elevates skin at the chin which will protrude the lip

37
Q

What is the nerve that controls the mentalis?

A

VII (7)

38
Q

What is the action of the platysma?

A

raises the skin of the neck and pulls corners of the mouth down

39
Q

What is the nerve that controls the platysma?

A

VII (7)

Oral Anatomy Muscles (7 decks)

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