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23 Cards in this Set
- Front
- Back
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what step of the indirect technique is the key to the entire procedure?
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the impression
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T or F
you must capture the area beyond the margins in a good impression |
T
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The anatomic cast is made of _____and the base cast is made of_____.
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type 4 stone
type 3 stone |
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the ____help to facilitate the wax up, and are individual replicas of prepared teeth
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removable dies
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why must the removable dies be trimmed?
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to allow for isolation, get good anatomic contours
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what step is...
the lost wax technique, in which you first develop the contour in wax, then form cast molding |
investing/cast coping
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Investing is the ____material
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mold
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The functions of investing are compensating for____and to form the ____countour of the mold
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shrinkage
outer contour |
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what is the wax/plastic rod attaching to the waxup, and eventually to the metal?
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sprue
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the ____encloses the investment and keeps it from breaking
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casting ring
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the ____allows expansion of investment during setting
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liner
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the _____allows for opening for alloy to fill, and is large rounded triangular formation @ base
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crucible former
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when burning out the wax from mold, you should bake it (fast/slow) because .....
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slow to eliminate pores
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A benefit of burnout is_____
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expansion
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what is the added step of the indirect technique at the school?
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we try in the coping before going on
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what are the 3 layers of porcelain?
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opaque
body incisal |
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what layer of the porcelain is....
layer to block visibility of metal |
opaque
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what layer of porcelain is...
contributor of shade |
body
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the body layer of porcelain is a brushed on mix of....
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powder and water or glycerine
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why must you bulk up the body layer of porcelain?
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shrinkage in oven
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why must you bulk up the body layer of porcelain?
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shrinkage in oven
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what is the critical step for the metal preparation of applying porcelain?
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cleaning 1st
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what is the critical step for the metal preparation of applying porcelain?
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cleaning 1st
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