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Ortho Therapy > Anatomy > Flashcards

Anatomy Flashcards

1
Q

What are the 4 muscles of mastication?

A

Temporalis
Masseter
Medial pterygoid
Lateral pterygoid

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2
Q

What are the 8 bones of the cranium?

A 
Frontal 
Parietal 
Temporal 
Occipital 
Sphenoid
Ethmoid
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3
Q

What are the facial muscles?

A

Buccinator
Obicularis oris
Frontalis

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4
Q

Which muscles are used for mouth closure?

A

Masseter
Temporalis
Medial pterygoid

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5
Q

Which muscles are used for mouth opening?

A

Lateral pterygoid

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6
Q

What are the 4 functions of the tongue?

A

Speech
Taste
Mastication
Swallowing

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7
Q

What is torus mandibularis?

A

A bony growth in the mandible on the surface closest to the tongue

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8
Q

Is it possible to tell if a patient if forcing their lip shut?

A

Yes - the chin appears puckered, due to the mentalis muscle forcing closure

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9
Q

Stensons duct is located in…

A

The parotid gland

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10
Q

Rivinus duct is located in….

A

The sublingual gland

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11
Q

Wharton’s duct is located in…

A

Submandibular gland

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12
Q

What are the 3 salivary glands?

A

Parotid
Sublingual
Submandibular

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13
Q

What are the 3 salivary ducts?

A

Stensons
Rivinus
Wharton’s

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14
Q

What are the functions of saliva?

A
  • digestion
  • lubricate food
  • cleansing action
  • antibacterial action
  • stabilise pH changes in the mouth
  • aids speech
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15
Q

Which nerve supplies the muscles of mastication?

A

Mandibular division of the trigeminal nerve

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16
Q

What is the attachment called at the floor of the mouth which joins the tongue?

A

Lingual fraenum

17
Q

If an orthodontic wire is inhaled, which lung is it most likely to go into and what complication could it cause?

A
  • right lung - this is the straightest route

* it could cause an infection or cyst in the right lung

18
Q

Which muscle protrudes to allow for a postured bite?

A

Lateral pterygoid

19
Q

Which muscle will hold the jaw open whilst you work in the mouth?

A

Lateral pterygoid

20
Q

Which muscle maintains centric occlusion for a Wax bite?

A

Masseter

21
Q

Which muscle retracts the mandible back

A

Temporalis

Ortho Therapy (37 decks)

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