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Blue Boxes - Infratemporal Fossa
M(6): 914-928
12
Medical
Graduate
09/19/2013

Additional Medical Flashcards

 


 

Cards

Term

What notch and fossa are passed through for a mandibular nerve block? 

 

What is anesthetized?

Definition

Mandibular notch

infratemporal fossa

 

Auriculotemporal n, inferior alveolar n., lingual n., buccal branches of V-3 nn. 

Term

If you want to anestetize the inferior alveolar n., where do you inject?

 

What does this anesthetize?

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

Term

What is the most common direction to dislocate the TMJ?

Why?

 

Which two nerves are close to the TMJ?

 

 

Definition

Anteriorly

The postglenoid tubercle sits behind the TMJ and the lateral ligament limits posterior movement

 

Facial and auriculotemporal

 

Term
What are the symptoms of auriculotemporal n. injury relating to the TMJ?
Definition
Laxity and instability of TMJ
Term

What is "clicking" of the TMJ?

What causes it?

Definition

crepitus

 

Delayed anterior disc movement during mandibular depression and elevation

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?

Definition

salivary gland

 

salivary gland

 

parotid plexus of CN VII

Term

The parotid gland does what for the face shape? 

 

Explain the pathway of parotid infection.

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

Term
Why is parotid pain worse with chewing?
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
Term

What does inflammation of the parotid duct cause?

 

Parotid gland disease can cause pain where?

why?

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. 

Term

A bacterial infection of the parotid usually processes an _______________. 

 

What is one cause of a parotid bacterial infection and how does it spread? 

Definition

Abscess. 

 

Poor dental hygiene. Through the parotid ducts --> gland

Term

what is a sialolith or calculus?

 

What makes the pain associated with this worse?

Definition

A calcified deposit that may block the parotid duct. 

 

Eating or anything that would make you salivate (sucking on a lemon) 

Term
Sometimes a ____ ______ ______ lies on the masseter muscle between the parotid duct and the zygomatic arch.
Definition
accessory parotid duct.
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