misc
do protective bases sooth the pulp?
no
what is a contraindication of amalgam
color. when esthetics are a concern
what is autocured
a chemical reaction. (sets on it's own)
viscosity in liquid means what?
what are indirect restorations?
restorations made in a lab
polycarboxylate cement appears ______,______ after mixing
shiny and glossy
what is the tool that the dentist carves the amalgam material to the tooths anatomy
carver (hollenback/interproximal or discoid cleoid/occlusal
ZOE can not be used under?
Glass inonomers and composite resins
what is a direct restoration
restorative materials that are applied to a tooth, carved and finished in the office.
what is the most cost effective way to restore the appearance of teeth?
bleaching
what is another name for the curing or hardening of composite restorations?
polymerization
waht 2 types of cement are least irritation to the pulp?
glass ionomer, ZOE
what are advantages of glass ionomer list 2
fluoride release, the ability to bind chemically to teeth
list 3 reasons calcium hydroxide is the most used cavity liner
protect the pulp from chemical irritation, stimulates reparative dentin, is compatible with all types of restorative materials.
luting agent classified as what type dental cement?
type 1. adhesive to hold together indirect restoration and tooth structure.
composites that contain the largest filler particles for the greatest strengths are known as
macrofilled composites
what cement has a ph level close to 7.0 and is available in type 1 and II
Zinc oxide-eugenol
list 2 reasons to use a dental varnish in a cavity prep.
seal dentin tubules, stimulate growth of reparative dentin.
what are 3 uses for intermediate restorative material (IRM)
restoration of primary teeth, restorative emergencies, caries management
what are noble metals used in indirect restorations? list 3
gold, palladium, platinum
the main component of polycarboxylate liquid is?
polyacrylic acid
what cement gives of an exothermic reaction and must be spatulated over a wide area on a dry glass slab?
zinc phosphate
why are supplemental materials used in dentistry? (bases and liners)
to hold the restorative material in the tooth, medicate and protect the pulp, to reduce sensitivity and discomfort.
what are 3 reasons porcelain is chosen most often for indirect restorations?
porcelain is a good insulator, has the strength of metal and it is it improves the appearance of anterior teeth.
waht are some characteristics that affect adhesion? list 4
wetting, viscosity, surface characteristics, film thickness