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Dental Materials 4 Test

Enter the letter for the matching Answer
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1.
what will you see extra orally if a patient has a pulpal problem?
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2.
what is in the liquid of cold or chemically cure resins?
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3.
anterior teeth angulation of prophy jet
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4.
how are chemically cured impression trays done?
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5.
what is different in the heat cured acrylic resins that is not present in the cold cure?
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6.
what is the rule of thumb when looking at radiographs to determine pulpal health?
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7.
what is the mohs hardness of amino acid glycine salt
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8.
where do you place electric pulp tester on multi rooted tooth?
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9.
what does glycol dimethacrylate do to MMA in cold cure acrylic resins?
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10.
what is heavy body polyvinyl siloxanes?
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11.
what type of cement is on the bands of ortho?
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12.
what is in the powder of cold or chemically cured resins?
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13.
when the adjacent polymers are joined by highly charged side chains...
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14.
what happens if monomers evaporate during handling process?
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15.
what is the one instrument you can use for debonding?
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16.
what is the um of novamin calcium sodium phosphosilicate?
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17.
what is hue?
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18.
what is mouth formed mouth guard?
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19.
what is a co-polymer?
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20.
where do you place the stops on the custom tray?
A.
cost effective but difficult to achieve a good fit, difficult to speak and breathe and adapt orthodontic appliances
B.
provides less detail but exhibits excellent dimensional stability
C.
bond is stronger and the cross linked polymers are stronger and stiffer
D.
the actual color like red, yellow, green or blue
E.
tungsten carbide burr with a slow speed hand piece
F.
methyl methacrylate, hydroquinone, ethylene glycol, teritary amine
G.
60 degree angle
H.
the acrylic becomes porus
I.
no chemical activator present in the liquid less inhibitor (hydroquinone) in the liquid
J.
swelling or tenderness, look at the patient's lymph nodes
K.
radiographs alone will not determine pulpal health expose at least 2 films at two different angles
L.
middle 1/3 of the crown over each root
M.
increases toughness and decreases birttleness
N.
2.0
O.
5 mm square on the buccal cusp of first premolar and mesiobuccal cusp of second molar on unprepared teeth
P.
25-120 um
Q.
two or more different types of monomers join together
R.
involved with mixing powder of pre polymerized beads with liquid monomer releases heat during curing process
S.
acrylic resin powder benzoyl peroxide fibers and colorants
T.
zinc polycarboxylate cement on bands can use cavitron tip on the cement that is placed on the metal band that is placed on the molars
Type the Answer that corresponds to the displayed Question.
incorrect
21.
what is the um of sodium bicarbonate?
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22.
what tooth usually is cracked during cracked tooth syndrome?
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23.
are acrylic resins thermoplastic or thermoset in dentistry?
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24.
what is the proper distance to select a shade from?
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25.
what is the chemical reaction which occurs to form a polymer from any monomer?
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26.
what does MMA stand for?
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27.
what is used to minimize porosity in acrylic resins?
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28.
what does PMMA stand for?
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29.
how do we pour acrylic resins?
Type the Question that corresponds to the displayed Answer.
incorrect
30.
represents the brightness of a color independent of its hue

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