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16 Cards in this Set
- Front
- Back
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Hg percent of PhD and Snap set
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PhD 47 to 43; snap 42.5-38
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burs used for class 1 posterior compostie
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FG 245 HS for the prep
initial contouring FG 7404 hs (football) can use Sof Lex disks SS brownie and greenie for finish and polish |
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what elements make up the 2 valiant alloys?
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Ag, Sn, Cu, Pd. "Amalgam" is the alloy plus Hg.
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summarize allbond- 2 system
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uni-etch 32% phosphoric acid 15 sec
5 coats primer A plus Primer B mix DE bonding resin light cure 20 sec |
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bur used for ultraconservative prep
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1/4 or 1/2 round bur HS FG
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P:L ratio for relyX RMGI luting and Fleck's ZnPo4 cement
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1.6 : 1.0
1.0 : 4.5 Relyx is ibio flecks io45 |
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how can you increase working time of Fleck's ZnPO4 cement
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Add a few grains of powder to liquid and let stand. This neutralizes the acidity and lowers the rate of the reaction.
Also chill your glass slab and mix over large surface area to eliminate heat |
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how can you increase working time of RelyX RMGI luting
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mix over small surface area to minimize evaporation
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what is GC cavity conditioner and when is it used
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cleans dentin and removes smear layer.
dilute PAA, blue color used under Fuji II LC RMGI when used as a base or as a class 5 restoration and under Ketac-fil plus chemically cured GI temporary restorative material |
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burn-out furnace temps and times
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600F for 30 min
1300F for 90 min |
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composition of firmilay type III
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Au, Ag, Cu, Pd, (Zn, Ir)
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sequence of burs used on cast crown
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remove sprue with carborundum Joe Dandy
remove internal nodules with 1/2 round bur sandblast blue pre-polishing disk for contacts brownie greenie drey wheel tripoli on brush rouge on felt |
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MP of firmilay
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1760F
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attach sprue to which cusp of 19 waxup
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ML cusp
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water:powder ration of Cera Fine phosphate bonded investment
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0.24 (60g powder plus 14.5 ml liquid)
I have a strong investment in jack bauer and the show 24 |
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optimum thermal expansion of cera fina phosphate bonded investment is at
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1100 degrees F
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