Unit 308- protheses Flashcards
what type of material is alginate
irreversible hydrocolloid
what type of material is addition silicone and polyether
elastomer
what type of material is agar
reversible hydrocolloid
what happens to alginate when you leave in water or leave to dry
expands
shrinks
examples of additional silicone
putty
light heavy body in gun
advantages of alginate
cheap, easy to mix
ad and dis of additional silicones (also the same for polyether)
ad-
elasticity, accuracy, stable in moisture (polyether less dimensionally stable when moist)
dis-
expensive, long setting time, sticky
what do you immerse impressions in
10% sodium hypochlorite
example of polyether
impregun
material for temp crown
cold cure acrylic
material for crown
porcelain (or to metal)
metal non and precious
temp bridge material
acrylic
resin
bridge material
ceramic
porcelain to metal
metal non and precious
veneer material
porcelain
what can you soak gingival retraction cord in
adrenaline alum
what bur for crown prep
tapered diamond
what is temp bond
zinc oxide and eugenol temp cement
what can you use to trim temp crown
beebee
plastic clear temp crown name
odus pella
tooth coloured temp preformed crown name
directa
name and explain each type of bridge
fixed- attached to both teeth
fixed movable- joint in-between
cantilever- attached to one tooth
spring- attached two different teeth
adhesive- maryland wings only
what is the fake tooth called
pontic
what to use to bond veneer
resin bond and cement
what can you change surgically to improve retention with edentulous
alveoplasty- changing shape of ridge
addition of bone substitutes
alveolectomy- removal of sharp edges
what can you use to measure occlusal face height
willis bite gauge
what can you use to make adjustments in try in
le cron carver
what impression do you use on metal dentures
elastomer
immediate denture instructions
-leave in denture overnight
-return for adjustments
-return 3-6 months for permanment
what happens with relines
when bone has resorption loose denture fit
wash impression alginate of the mouth without denture
space is filled with acrylic
tissue conditioners 2
soft lining- base is cushion
functional impression- long impression
what is an obturator
removable protheses for after surgery of tumour
what is over denture and advantage
over retained roots reduces shrinkage and bone is still present
what happens with implant procedure
-flap is raised
-prepare hole for implant
-implant placed and sutured
-after time implant is embedded in the bone by osseointegration
-abutment is screwed on
which impression is not suitable for inlay
alginate
crown bur is for what
paraelle prep
abrutment to tooth is used with what cement
self cure resin
roughen surface for veneer chemical is called
hydrofluoric acid
what bur in a denture fit
stainless steel bur
