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OSCE > Muscles - FACE > Flashcards

Muscles - FACE Flashcards

1
Q

WHAT ARE THE MOM

A

masseter
temporalis
lateral pterygoid
medial pterygoid

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2
Q

WHAT ARE THE EXTRA MOM

A

supra hyoid

infra hyoid

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3
Q

WHAT ARE THE SUPRAHYOID MUSCLES

A

geniohyoid
mylohyoid
stylohyoid
digastric

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4
Q

WHAT ARE THE INFRAHYOID MUSCLES

A

sternothyroid
sternohyoid
omohyoid
thyrohyoid

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5
Q

WHICH MUSCLES DEPRESS THE JAW

A 
lateral pterygoid
inrfrahyoid muscles :
sternohyoid 
thyrohyoid 
omohyoid
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6
Q

MUSCLES WHICH CONTROL THE BOLUS AND PREVENT SPILLAGE

A

orbicularis oris

buccinator

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7
Q

WHAT ARE THE MOVEMENTS OF THE TMJ

A

rotation 20mm

translation >2mm

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8
Q

WHERE ARE THE CONDYLES IN THE TRANSLATION MOVEMENT

A

out their fossa and along the articular eminences

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9
Q

WHAT ARE THE INSTRINSIC MUSCLES OF THE TONGUE

A

longitudinal
vertical
transverse

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10
Q

WHAT IS THE FUNCTION OF THE INSTRINIC TONGUE MUSCLES COMPARED TO THE EXTRINSIC

A

they both alter the shape

extrinsic also alter the position

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11
Q

WHAT ARE THE EXTRINSIC MUSLCES OF THE TONGUE

A

styloglossus
palatoglossus
genioglossus

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12
Q

WHAT AFFECTES THE MAX BITING FORCE

A

muscle fibre type
muscle mass
parafunction

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13
Q

WHAT IS THE MAX BITING FORCES OF A MOLAR

A

200-700N

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14
Q

WHY ARE MOLARS THE STRONGEST BITNG FORCE

A

big root

closest to TMJ

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15
Q

WHERE ARE THE CONDYLES IN THE ROTATION MOVEMENT

A

in their fossa

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16
Q

ORIGIN OF THE MASSETER

A

zygomatic arch

17
Q

INSERTION OF THE MASSETER

A

lateral border and corner of mandible

18
Q

ACTION OF THE MASSETER

A

elevates

19
Q

HOW TO TEST THE MASSETER

A

1 finger intraoral and 2 extraoral, ask them to clench, its sore in those who have clenching habit

20
Q

ORIGIN OF THE TEMPORALIS

A

floor of infratemporal fossa

21
Q

INSERTION OF THE TEMPORALIS

A

ant border and coronoid process of mandbile

22
Q

ACTION OF TEMPORALIS

A

elevates and retracts

23
Q

HOW TO TEST THE TEMPORALIS

A

palpate the origin and ask them to clench, feel from the middle of the superior and inferior temporal fossa, forward to the supra-orbital area
tender in those with bruxism

24
Q

WHAT IS BRUXISM

A

clenching and grinding habit

25
Q

ORIGIN OF THE LATERAL PTERYGOID

A

lateral surface of the lateral pterygoid plate

26
Q

INSERTION OF THE LATERAL PTERYGOID

A

superior head - intra-articular disc

inferior head - anterior border of condyle

27
Q

INSERTION OF THE LATERAL PTERYGOID

A

superior head - intra-articular disc

inferior head - anterior border of condyle

28
Q

ACTION OF THE LATERAL PTERYGOID

A

protrudes and laterally deviates
(superior head)
depresses
(inferior head)

29
Q

HOW TO TEST THE LATERAL PTERYGOID

A

cant palpate so test response to resisted movement by holding jaw and then getting them to move it
tender = if this hurts

30
Q

ORIGIN OF THE MEDIAL PTERGOID

A

deep head = medial surface of the lateral pterygoid plate

superficial head = tuberosity of the maxilla

31
Q

INSERTION OF THE MEDIAL PTERYGOID

A

medial surface and angle of mandible

32
Q

ACTION OF THE MEDIAL PTERYGOID

A

elevates and protrudes

33
Q

HOW TO TEST THE MEDIAL PTERGOID

A

cant

too deep and doesn’t respond to resisted movement

34
Q

WHICH IS THE ONLY MUSCLE WHICH RETRACTS THE MANDIBLE

A

temporalis

35
Q

WHICH MUSCLES PROTRUDE THE MANDIBLE

A

medial and lateral pterygoid

36
Q

WHICH MUSLCES ELEVATE THE MANDIBLE

A

masseter
temporalis
medial pterygoid

37
Q

WHICH MUSCLES DEPRESS THE MANDIBLE

A

lateral pterygoid
omohyoid
thyrohyoid
sternohyoid

OSCE (14 decks)

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