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Fixed II > Ceramics/Zirconia > Flashcards

Ceramics/Zirconia Flashcards

1
Q

___ reduces the porosities and causes the ceramics to become more rubbery

A

sintering

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2
Q

glass transition temperature is ___ the melting point

A

below

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3
Q

heat pressing uses the ___ ___ technique

A

lost wax

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4
Q

soft milling process

A

milled, then sintered

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5
Q

feldspathic porcelain

A

glass (veneers)
most esthetic
can etch

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6
Q

lithium disilicate

A

eMax
intermediate
can etch

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7
Q

polycrystalline ceramic (zirconia)

A

best strength
NO etching

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8
Q

resin bonding decreases ceramic ___

A

flexion

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9
Q

hybrid layer

A

resin microtags within intertubular dentin

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10
Q

___ can use resin bonding or RMGI

A

eMax

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11
Q

___ is the first one stronger than enamel

A

eMax

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12
Q

zirconia has a ___ structure

A

polycrystalline

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13
Q

resin bonding does NOT increase strength but increases retention for ___

A

zirconia

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14
Q

the internal surface must be roughened for ___ because it cannot be etched

A

zirconia

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15
Q

a bonding primer is needed for ___

A

zirconia

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16
Q

transformational toughening unique to ___

A

zirconia

17
Q

transformational toughening causes a ___ to ___ change

A

tetragonal to monoclonal
(3-5% volume increase)

18
Q

adding more Y increases zirconia ___

A

translucency

19
Q

___ cores can mask dark dentin

A

zirconia

20
Q

most esthetic veneer

A

feldspathic porcelain

21
Q

most esthetic anterior crown

A

eMax or empress

22
Q

most esthetic posterior crown

A

eMax
5Y zirconia

23
Q

posterior crown for bruxer

A

gold
3Y zirconia

24
Q

___ ___ can only be adjusted after cemented

A

glass ceramics

25
Q

primer contains ___

A

MDP

26
Q

RMGI can be used with ___ and ___

A

zirconia
gold

27
Q

RMGI contraindicated for what?

A

low strength ceramics

Fixed II (9 decks)

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