tmj Flashcards by PHILYP EPHRAIM PARANGALAN | Brainscape

Q

cardinal features of TMJ dysfunction

A

restricted jaw function

crepitus or joint noises

orofacial pain

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Q

expound orofacial pain

A

pain or stiffness in face, jaw, temple, ear or in front of ear

also consider cervical dysfunction

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Q

what are the kinds of bite

A

underbite
overbite
cross-bite

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Q

orthognathic

A

normal jaw; perpendicular lips and chin

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Q

retrognathic

A

receding chin

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Q

prognathic

A

protruded chin

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Q

relate mandible to cervical flexion

A

mandible moves sup and ant

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Q

relate mandible to cervical extension

A

mandible moves inf and post

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Q

relate mandible to cervical side flexion

A

max occlusion on ipsi side

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Q

what to consider in ROM

A

tmj, cervical and shoulders

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Q

muscles that elevate mandible

A

masseter, temporalis and MP

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Q

end feel of mouth closing

A

bone to bone

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Q

muscles that depress mandible

A

LP, geniohyoid, mylohyoid, digastric, gravity

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Q

muscles that protrudes mandible

A

lateral and medial pterygoid

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Q

muscles that retracts mandible

A

post fibers of temporalis

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Q

muscles that lat deviates mandible

A

ipsi LP and contra MP

to if deviated to R = R LP and L MP

Q

what to do if pt has CN 7 pathology

A

chvostek test = (+) if muscles of face twitch

tapo parotid gland on masseter

Q

ROM of mouth opening

A

25-35 mm or 2-3 knuckle test

Q

ROM of mouth protusion

A

less than 7 mm

Q

ROM of mouth retrusion

A

3-4 mm

Q

ROM of mouth lat dev

A

10 mm on each side if mouth is opened at 40 mm