Ceramics/Zirconia Flashcards
___ reduces the porosities and causes the ceramics to become more rubbery
sintering
glass transition temperature is ___ the melting point
below
heat pressing uses the ___ ___ technique
lost wax
soft milling process
milled, then sintered
feldspathic porcelain
glass (veneers)
most esthetic
can etch
lithium disilicate
eMax
intermediate
can etch
polycrystalline ceramic (zirconia)
best strength
NO etching
resin bonding decreases ceramic ___
flexion
hybrid layer
resin microtags within intertubular dentin
___ can use resin bonding or RMGI
eMax
___ is the first one stronger than enamel
eMax
zirconia has a ___ structure
polycrystalline
resin bonding does NOT increase strength but increases retention for ___
zirconia
the internal surface must be roughened for ___ because it cannot be etched
zirconia
a bonding primer is needed for ___
zirconia
transformational toughening unique to ___
zirconia
transformational toughening causes a ___ to ___ change
tetragonal to monoclonal
(3-5% volume increase)
adding more Y increases zirconia ___
translucency
___ cores can mask dark dentin
zirconia
most esthetic veneer
feldspathic porcelain
most esthetic anterior crown
eMax or empress
most esthetic posterior crown
eMax
5Y zirconia
posterior crown for bruxer
gold
3Y zirconia
___ ___ can only be adjusted after cemented
glass ceramics
primer contains ___
MDP
RMGI can be used with ___ and ___
zirconia
gold
RMGI contraindicated for what?
low strength ceramics