Term
What notch and fossa are passed through for a mandibular nerve block?
What is anesthetized? |
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Definition
Mandibular notch
infratemporal fossa
Auriculotemporal n, inferior alveolar n., lingual n., buccal branches of V-3 nn. |
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Term
If you want to anestetize the inferior alveolar n., where do you inject?
What does this anesthetize? |
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Definition
mandibular foramen
All teeth to the median plane, the skin and mucous membrane of the lower lip, the labial alveolar mucosa and gingivae, and the skin of the chin |
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Term
What is the most common direction to dislocate the TMJ?
Why?
Which two nerves are close to the TMJ?
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Definition
Anteriorly
The postglenoid tubercle sits behind the TMJ and the lateral ligament limits posterior movement
Facial and auriculotemporal
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Term
| What are the symptoms of auriculotemporal n. injury relating to the TMJ? |
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Definition
| Laxity and instability of TMJ |
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Term
What is "clicking" of the TMJ?
What causes it? |
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Definition
crepitus
Delayed anterior disc movement during mandibular depression and elevation |
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Term
About 80% of ____ _____ tumors occur in the parotid glands
Most _____ ______ cancers begin in the parotid
What nerve plexus is embedded in the parotid gland? |
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Definition
salivary gland
salivary gland
parotid plexus of CN VII |
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Term
The parotid gland does what for the face shape?
Explain the pathway of parotid infection. |
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Definition
Parotid gland is responsible for the posterolateral contour of the face.
Infectious agents arrive through the blood stream -> inflammation and swelling of parotid -> pain because the parotid sheath limits swelling |
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Term
| Why is parotid pain worse with chewing? |
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Definition
| The gland is wrapped around the inferior border of the ramus of the mandible and is compressed against the mastoid process when the mouth is open |
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Term
What does inflammation of the parotid duct cause?
Parotid gland disease can cause pain where?
why? |
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Definition
redness of the parotid papilla (small projection at opening of duct into the mouth)
auricle, external acoustic meatus, temporal region, TMJ
Auriculotemporal and greater auricular nn. |
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Term
A bacterial infection of the parotid usually processes an _______________.
What is one cause of a parotid bacterial infection and how does it spread? |
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Definition
Abscess.
Poor dental hygiene. Through the parotid ducts --> gland |
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Term
what is a sialolith or calculus?
What makes the pain associated with this worse? |
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Definition
A calcified deposit that may block the parotid duct.
Eating or anything that would make you salivate (sucking on a lemon) |
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Term
| Sometimes a ____ ______ ______ lies on the masseter muscle between the parotid duct and the zygomatic arch. |
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Definition
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