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28 Cards in this Set
- Front
- Back
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In a normal TMJ, the articular disc is (behind/in front of/between) the condyle and eminence
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between
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In disc dislocation WITH reduction, the condyle is more (anterior/posterior)
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posterior
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In disc dislocation WITH reduction, the disc is more (anterior/posterior)
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anterior
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Which is also known as "closed lock"?
A. Normal TMJ B. Disc Dislocation W/reduction C. Disc Dislocation W/o reduction |
C. dislocation w/o reduction
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In disc dislocation without reduction, how does the disc behave?
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It get "scrunched" by the condyle so the condyle cannot slide underneath
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In disc dislocation without reduction, you get (less/more) than normal opening
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less
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If your right TMJ is in disc dislocation without reduction, then your jaw will move to the (right/left)
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right
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If disc dislocation without reduction progresses further, it becomes what?
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advanced closed lock
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There is (excessive/no/normal) opening with advanced closed lock
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normal
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True or False, all clicking joints eventually become advanced closed lock
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false
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What is the term for a clinical description of the condyle as it moves anterior to the crest of the articular eminence?
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subluxation
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The following pattern describes what condition?
click-open-close-click |
dislocated disc
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The following pattern describes what condition?
open-click-click-close |
subluxation
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True or False, subluxation typically does not get much worse
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True
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A dentist looks in and sees that a patient's 2nd molar has a broken cusp. This is a (sign/symptom)
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sign
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A patient comes in complaining of TMJ pain on the left side. This is a (sign/symptom)
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symptom
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By definition, a patient is ALWAYS aware of a (sign/symptom)
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symptom (by definition, a symptom is patient-reported)
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An average of __% of the pop. have at least one sign of joint dysfunction
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75
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An average of __% of the pop. have at least one symptom of joint dysfunction
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33
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Only __ to __% of the pop. requie TMJ treatment
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5-7%
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__ to __% of the pop. have asymptomatic TMJ sounds
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25-35%
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True or False, all joint sounds should be treated
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False, only those associated with PAIN
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__% of silent, asymptomatic joints were found to have disc displacement on arthrograms
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15%
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(men/women) have TMJ issues more often
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women
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Why do older patients not typically have TMJ issues?
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They have resolved themselves by the time they are older
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Only __% of females indicated abuse on health history while __% indicate abuse on anonymous surveys
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8.5%, 68.9%
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Only __% of the general female pop. report some type of abuse
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20%
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*What are the 7 requirements of optimum occlusion?
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1. Both the right and left condyles are in a supero-anterior position in fossae.
2. The articular disc is properly interposed. 3. There is even and simultaneous contact of all teeth. 4. Lighter contacts occur on the anterior teeth than on the posterior. 5. Occlusal forces are directed down long axis of teeth. 6. During laterotrusive movement, the mediotrusive side is discluded immediately. 7. During protrusive movement, all the posterior teeth are discluded immediately. |
