Mandible Flashcards

1
Q

Does the mandible articulate with its adjacent skull bones via sutures

A

No, its the only bone in the entire skull which does not

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2
Q

How does the mandible articulate to the neurocranium

A

Via the temporal bone forming the TMJ

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3
Q

What are the 2 borders of the mandible

A

Alveolar border (superior)
Base (inferior)

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4
Q

What is the alveolar border of the mandible

A

It contains 16 sockets to hold the lower teeth

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5
Q

What is the base of the mandible

A

Site of attachment for the digastric muscle medically

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6
Q

Where is the mental foramen approximately

A

Below the 5’s on either side of the mandible

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7
Q

Which muscle of mastication attaches to the neck of the mandible

A

The lateral pterygoid muscle

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8
Q

Which muscle of mastication attaches to the coronoid process of the mandible

A

The temporalis muscle

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9
Q

Which nerve goes through the mandibular foramen

A

Inferior alveolar nerve

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10
Q

where does the inferior alveolar nerve exit

A

At the mental foramen

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11
Q

When the inferior alveolar nerve exits to the mental foramen which nerve does it become

A

The mental nerve

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12
Q

What does the mental nerve innervate

A

The skin of the lower lip and the front of the chin

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13
Q

Where does the temporalis muscle attach to the mandible

A

To the coronoid process

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14
Q

Where does the masseter muscle attach to the mandible

A

To the rami (ramus plural)

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15
Q

Where does the lateral pterygoid muscle attach to the mandible

A

The neck

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16
Q

Where does the medial pterygoid muscle attach to the mandible

A

Into the ramus near the angle

17
Q

What happens to the angle of the mandible with increased age

A

The jaw angle increases resulting in a loss of definition of the lower border of the face

18
Q

What happens to jaw length during young and middle age groups

A

It decreases significantly

19
Q

What happens to the jaw height form middle age to old age

A

It declines (e.g. tooth loss bone reabsorption)