Etiology of TMJ Disorders Flashcards
T or F:
The clinician who only looks at occlusion is missing as much as the clinician who never looks at occlusion
true
what are 7 examples of structural breakdown due to masticatory system overload?
tooth wear, pulpitis, tooth mobility, muscle pain, TMJ pain, ear pain, and headache pain
if occlusion plays a significant role in the etiology of TMD, should healthcare providers other than the dentist provide treatment?
no, only the dentist should be providing treatment and management of these disorders
if occlusion does NOT play a role in TMD, should the dentist attempt to alter the occlusal condition?
no
T or F:
there is no simple cause-and-effect relationship explaining the association between occlusion and TMD
true
do occlusal conditions always lead to TMD symptoms?
no
successful management of TMD is dependent upon identifying and controlling which 3 categories of contributing factors?
predisposing factors, initiating factors, and perpetuating factors
what are 7 etiologic factors that contribute to TMD?
occlusal factors, trauma, emotional stress, deep pain input, parafunction, systemic disease, and sleep disorders
what are some examples of acute trauma that could contribute to TMD?
direct impact to mandible, biting into hard foods, yawning, kissing, hyperextension of joints
what are the two types of emotional stress?
unpleasant stressors and pleasant stressors
what are the two types of stress releasing mechanisms?
- external (shouting, cursing, hitting, etc.)
- internal (psychophysiologic disorders, IBS, HTN, cardiac arrhythmias, asthma, increased muscle tonicity)
prolonged exposure to emotional stressors upregulates the autonomic nervous system on a chronic basis, which can compromise the individuals ability to adapt and even to ___
fight disease
deep pain input includes tooth pain, sinus pain, and ear pain, and result in altered function in the form of ___
protective co-contraction (muscle guarding, avoidance, protective response)
what are 4 examples of diurnal parafunctional activities?
lip and cheek biting, nail biting, chewing gum, and clenching
what are 2 examples of nocturnal parafunctional activities?
bruxing and clenching