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25 Cards in this Set
- Front
- Back
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purpose of the finish line |
Provides a butt joint between acrylic and medal |
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difference between roach clasp and Aker clasp |
The location and shape of retentive areas |
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how do you determine the Clasp which makes use of the greatest amount of undercut |
The longer the clasp and how properly tapered it is |
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Bracing portion of a clasp location |
Above the survey line |
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To prevent a clasp from slipping off of a tooth laterally, how much do you have to circle |
180 |
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what would be classified as a bilateral case? |
Both sides of the arch |
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In a completely indentious individual, The labial portion of the primary anterior teeth, what primarily influences where you put teeth |
Muscles and facial expression |
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where should the terminal tip end be located? |
Below the survey line aka Gingavae |
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All clasps have three functions.. |
Support, bracing, and Retention |
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Support |
Occlusal Rest |
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Bracing (above survey line and..) |
Provided by rigid portion of clasp |
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Retention |
In varying degrees depending on the case |
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When designing a clasp, functions and estetics, what/who must be considered? |
Dentist must be consulted |
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Chrome aloids are stiffer than Gold aloids, how far is the undercut |
1/2 |
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certain clasp is undercut from where? |
Occlusal portion |
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A bar clasp approaches the gingivae portion |
below |
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A rot wire (support) clasp approaches the undercut |
at occlusal portion of tooth |
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A clasp design |
must compensate for movement/rotation |
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when should Mouth preparation be done by the dentist? |
BEFORE he takes impressions |
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What cast is more accurate a preliminary or a master cast? |
Master cast |
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Advantage of using a warm round instrument rather than a knife? |
less danger of scarring the tooth/cast |
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Relief wax of lingual bar is placed under the inferior by.. |
2/3 |
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Superior edge of lingual bar should be? |
feathered into the cast |
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An investment cast is formed by pouring what into the mold? |
Liquid |
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How is internal finish line set into mold? |
proper placement of relief wax |
