SAS11 Flashcards

1
Q

What artery is a branch of the external carotid artery that supplies the jaw bones and teeth?

A

Internal maxillary artery

The internal maxillary artery is crucial for providing blood supply to the dental structures.

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2
Q

Which artery supplies the lower jaw?

A

Inferior alveolar artery

The inferior alveolar artery branches into the mental and incisive arteries.

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3
Q

What are the branches of the inferior alveolar artery?

A
  • Mental artery
  • Incisive artery

The mental artery supplies tissues of the chin and lower lip, while the incisive artery supplies the mandibular anterior teeth.

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4
Q

What artery supplies the upper jaw?

A

Superior alveolar artery

The superior alveolar artery has branches that supply different sections of the upper jaw.

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5
Q

List the branches of the superior alveolar artery.

A
  • Posterior superior alveolar artery (PSA)
  • Middle superior alveolar artery (MSA)
  • Anterior superior alveolar artery (ASA)

These branches supply the maxillary molars, premolars, and anterior teeth respectively.

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6
Q

What does the descending palatine artery supply?

A

Bone, glands, and mucosa of the posterior 2/3 of the hard palate

It also supplies the bone and mucosa of the alveolar process.

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7
Q

What are the branches of the sphenopalatine artery?

A
  • Short nasopalatine artery
  • Long nasopalatine artery

The short nasopalatine artery supplies the nasal cavity, while the long nasopalatine artery supplies the anterior 1/3 of the hard palate.

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8
Q

What is the sensory nerve supply to the jaws and teeth derived from?

A

Maxillary and mandibular branches of the 5th cranial or trigeminal nerve

The trigeminal nerve is essential for dental sensation.

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9
Q

Fill in the blank: The mnemonic for the exit of the branches of the trigeminal nerve is _______.

A

Standing Room Only

This helps remember the pathways of the trigeminal nerve branches.

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10
Q

What are the exit points of the branches of the trigeminal nerve?

A
  • Ophthalmic branch - Superior orbital fissure
  • Maxillary branch - Foramen rotundum
  • Mandibular branch - Foramen ovale

These exit points are crucial for understanding the anatomy of the trigeminal nerve.

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11
Q

Which branch of the maxillary nerve supplies the hard palate and palatal gingiva as far as the canine?

A

Anterior palatine branch

This branch is significant for the sensory supply of the anterior hard palate.

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12
Q

What does the inferior alveolar nerve (IAN) supply?

A

Inferior dental branch entering the individual tooth roots and interdental branches supplying the alveolar bone, periodontal membrane, and gingiva

The IAN is vital for the innervation of the lower teeth.

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13
Q

What does the mental nerve supply?

A

Lower lip and chin

The mental nerve is important for sensory innervation in the facial region.

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14
Q

True or False: The lingual nerve supplies the mucosa and gingiva of the tongue.

A

True

The lingual nerve is responsible for sensory innervation in the lingual region.

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15
Q

What nerve innervates the central incisor teeth and periodontal membrane?

A

Mylohyoid nerve

The mylohyoid nerve is involved in the sensory supply of specific teeth.

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