tmj Flashcards
cardinal features of TMJ dysfunction
restricted jaw function
crepitus or joint noises
orofacial pain
expound orofacial pain
pain or stiffness in face, jaw, temple, ear or in front of ear
also consider cervical dysfunction
what are the kinds of bite
underbite
overbite
cross-bite
orthognathic
normal jaw; perpendicular lips and chin
retrognathic
receding chin
prognathic
protruded chin
relate mandible to cervical flexion
mandible moves sup and ant
relate mandible to cervical extension
mandible moves inf and post
relate mandible to cervical side flexion
max occlusion on ipsi side
what to consider in ROM
tmj, cervical and shoulders
muscles that elevate mandible
masseter, temporalis and MP
end feel of mouth closing
bone to bone
muscles that depress mandible
LP, geniohyoid, mylohyoid, digastric, gravity
muscles that protrudes mandible
lateral and medial pterygoid
muscles that retracts mandible
post fibers of temporalis
muscles that lat deviates mandible
ipsi LP and contra MP
to if deviated to R = R LP and L MP
what to do if pt has CN 7 pathology
chvostek test = (+) if muscles of face twitch
tapo parotid gland on masseter
ROM of mouth opening
25-35 mm or 2-3 knuckle test
ROM of mouth protusion
less than 7 mm
ROM of mouth retrusion
3-4 mm
ROM of mouth lat dev
10 mm on each side if mouth is opened at 40 mm
