Tempromandibular joint Flashcards by Jake Wright

Q

Describe the structure of the TMJ

A

Temporal bone and mandible articulate with an articular disc between them

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Q

Describe how the TMJ is opened

A

Pulled forward by the lateral pterygoids then down by the diagastrics

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Q

Describe how the TMJ is closed

A

Raised by the masseters, temporalis, and medial pterygoids. Retracted by the temporalis

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Q

List the ligaments of the TMJ

A

Temporomandibular, Sphenomandibular, Stylomandibular

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Q

Function of the temporomandibular ligament

A

Prevent excessive retrusion

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Q

Function of the sphenomandibular ligament

A

Prevent inferior dislocation

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Q

Function of stylomandibular ligament

A

Prevent inferior dislocation

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