Card Set Information
600 to 300 BC
Extraction and Artificial Replacement.
Middle Ages to mid-1800s
Improve denture teeth by firing them into porcelain.
Vulcanite (primary denture base)
Not to use amalgam.
Acceptable amalgam formula
first dental cements were introduced.
Synthetic Resins were introduced
Intro of the acid-etch sketch
ADA came about...
pulls and stretches a material.
pushes it together.
tries to slice it apart.
ADA Seal of Acceptance-
awarded for 5 years, provide data to support product safety, reevaluated if change is made, conduct clinical trials, show facilities are adequate, advertising standards, submit info and ingrediants.
plimable enough to be placed.
Coefficient of thermal expansion-
the measurement of change in volume or length in relationship to change in temp.
dominant color (yellow or brown)
strength of color
light or dark it is.
ability of a material to recover its shape completely after deformation from an applied force.
ability of a liquid material to flow.
limit before deformation
leakage of fluid and bacteria cause by gaps that occure at the interface.
rate which heat flows thru a material.
a fracture resulting from repeated stresses that produce microscopic flaws that grow.
ability of a liquid to flow over the surface.
refers to the degree of the pathogenicity, or the strength of that organism in its ability to produce disease.
explains exactly what steps the employee must follow ater the exposure.
fast acting but must be prepared daily. It is corrosive.
mostly used for a liquid sterilate, very toxic, smells terrible, 10 to 90 minute contact time.
can stain, very little odor, 30 min contact time.
penetrates soft tissure or bone. Greater risk of transmitting, forceps, scalpels, chisels, scalers, burs.
heat-tolerant. may be damaged by heat.
Chemical Liquid steriliants-
used for plastic instruments. contact time is 10 hours.