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20 Cards in this Set
- Front
- Back
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What is the line that designates where our wax pattern should stop cervically?
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finish line
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Cutting down the plaster tooth so it fits properly into the typodont socket is called ___.
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trimming
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True or False, only the facial margins should be visible when the plaster tooth is inserted
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False, ALL margins
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What happens if the tooth you are waxing is too tall?
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There will be no room for fossa!
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Why is it necessary to see how the teeth occlude around the plaster model tooth before beginning waxing?
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To make sure there is room to build the proper anatomy
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The first layer of wax applied to the tooth is called what?
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coping
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When we add coping wax, what features of the tooth should be created?
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facial and lingual contours (aka heights of contour)
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Lingual molars and premolars tilt to the (lingual/facial)
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lingual
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On the tooth we are working on in class, it should appear to be:
1. Tilted facially 2. Tilted lingually 3. Straight up and down 4. Irrelevant |
2. Tilted lingually
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True or False, the cusps are placed on the layer of coping wax
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True
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The shape of the mandibular molars are "generally":
1. Irregular 2. Spherical 3. Circular 4. Rectangular 5. Yugo-saped |
4. Rectangular
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True or False, the cusps of the created tooth should appear to line up with the adjacent teeth
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True
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Is it the facial or lingual cusps that are FUNCTIONING on the mandibular molars?
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facial
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True or False, it is not necessary to worry about polishing the wax or making it neat, as long as the occlusion is correct
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False, flaws will be translated to the gold pattern eventually
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It is better to make interproximal contacts too (high/low) if they aren't perfect
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high
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How many triangular ridges should you place at once?
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1 at a time... check occlusion at each step
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True or False, contacts usually happen on a small area rather than a very definite point
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True
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If the pin on our articulator does not touch down all the way, what is the error?
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Your contacts are too high
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Match the wax colors with their respective anatomical features (match a letter with a number... colors can be used more than once)
1. coping 2. cones 3. facial and lingual cusps 4. mesial and distal cusps 5. proximal surfaces, marginal ridges 6. triangular ridges A. Red B. Yellow C. Green D. Blue |
1D, 2B, 3A, 4C, 5D, 6A
[1. coping 2. cones 3. facial and lingual cusps 4. mesial and distal cusps 5. proximal surfaces, marginal ridges 6. triangular ridges A. Red B. Yellow C. Green D. Blue] |
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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. |
