dental materials Flashcards

1
Q

reversible hydrocolloid

A

agar agar

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2
Q

irreversible hydrocolloid

A

alginate

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3
Q

add alginate poweder to water

A
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4
Q

the higher the temperature, the faster the power will set

A
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5
Q

syneresis

A

loss of water mostly by evaporate

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6
Q

imbibition

A

the ability to absorb water

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7
Q

gypsum

A

calcium sulfate hemihydrate

most commonly used in replica

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8
Q

potassium nitrate

A

acts as a accelerator

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9
Q

borax

A

retarder

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10
Q

inlay

A

within the cusp of the tooth

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11
Q

onlay

A

covers one or more cusp

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12
Q

gold

A

resist tanish
resist corrosion
use tin oxide

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13
Q

composite

A

major component is dimethylacrylates

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14
Q

amalgam

A

high thermal conductivity
corrosion

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15
Q

ZOE

A

base liner

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16
Q

zinc phosphate

A

oldest and widely used

17
Q

glass ionomer

A

release fluoride
commonly used for class V restoration

18
Q

active ingredients of desentizing toothpaste

A

potassium nitrate
sodium citrate
strontium chloride

19
Q
A