8 - Orofacial Pain Flashcards
the most common cause of pain in the orofacial region is what in origin
inflammatory disease of pulpal origin
before treating a patient in pain, what is imperative
correct diagnosis is imperative
what is this:
gating mechanism in the substantia gelatinosa of the spinal cord and brainstem on which both peripheral nerve fibers and descending central influences exert their effect in pain experience
gate control theory
principles of gate control theory
- descending control mechanisms from higher central nervous centers
- cognitive, motivational and affective processes
- degree of activity in large-diameter and small diameter nerve fibers
- large diameter fibers are activated by non-noxious stimuli and close the gate
- small diameter fibers are activated by noxious stimuli and “open the gate”
Large diameter fibers are activated by
___ and ___.
non-noxious stimuli and “close the gate”
Small diameter fibers are activated by
___ and ___.
noxious stimuli and “open the gate”
what is pain perceived to originate from a site with no damage
referred pain
what theory occurs when afferent nerves converge on same second order neuron
referred pain convergence theory
what are possible sources of referred pain
muscles, ear, sinuses, heart, and other teeth
can muscles of mastication refer pain to teeth
yes
where do you palpate muscles of mastication
muscle insertions
what provides myofascial pain dysfunction syndrome?
TMD/muscles of mastication -> patients with these condition describe toothache as one of their symptoms
what is referred pain from respiratory mucosa to teeth
sinus pain
where does sinus pain deliver pain
posterior maxillary teeth