the four types of properties that must be considered in the applicationh of dental material are:
retention, curing , flow and adhesion
autocured
hardens as the result of a chemical reaction of the material that are being mixed together
metals that make up the alloy powder:
silver tin copper and zinc
provides strength and corroison ressistant
copper
gives it its strength
silver
for workability and strength
tin
to suppres oxidations
zinc
amalgam is triturated in?
the amalgamator
a resin matrix componet of composite is a fluid like material called
dimethacrylate
longer curing time for material
thickness and size shade of the restorative material
to determine the color of the composite procedure
shade guide
an alloy with one constuint being murcury
amalgam
hardend or set by a chemichal of two materials
auto cured
hard brittle heat corrosive resistant material such as clay
ceramic
achieved by injecting the anesthetic soulution directly into the tissue at the site of the dental procedure & generally used on max teeth
infiltration anesthesia
_________ handpiece supplies a water coolant because it generates frictional heat.
high speed
the use of an anethetic solution w/out a vasconstrictor is recomended wit a p.t with recent
myocardial infarction
mouth mirror is used for?
indirect vision & light reflection, retraction & and tissue protection
when performing single handed instument with right hand dentist, you pass with
left hand
most frequently used devise in restorative dentistry is the?
hanpiece
the gauge of the needle refers to the thickness of the needle, the larger the gauge
the thinner the needle
a dental handpiece is identified as ____________ that must be sterilized before reuse.
critical instrument
viewing an object through the use of a mirror is called
indirect
_________is the aea where intruments and dental material are exchanged
transfer zone
the goal of ergonomics is to help ppl to stay
healthy while performing work more efficiently
efficient way to organize instruments is
color coding
during 4 handed dentistry the operator must have:
easy accses to oral cavity during the loading.
during the loading of anethetic syringe the _______________ is loaded first
anethetic cartridge
____________ a condition in which numbness remains after the effects of the local anesthesia should have worn off
parasthesia
the term_____ is applied to all rotary instruments that have a sharp cutting end
bur
basic instrument grasp includes:
pen palm and palm thumb
a _________ is added to a local anethetic to slow down the intake and increase duration.
vasconstictor
time and effect of local anethetic until complete reversal of anethesia is
induction time of anethetic agent.
propholaxis angle attaches to the ________ __________ and is used to polish teeth
low speed handpiece
_____________used to place condence and carve dental materialback normal anotomy of tooth
restorative instruments
Class II restorations are found on_________________ is frequently used on mand teeth and injected near major nerve that numbs the entire area serverd by the nerve branch.