ch 10 dental materials

a mixture of two or more metals

alloy containing at least 60% noble metals, 40% of which must be gold

alloy composed of non-noble metals. corrodes more readily

alloy composed of metals that do not corrode readily

classification of metal based on its high cost

special casting alloys manufactured for their compatibility with porcelain that has been bonded to them at high temp

thin covering like a thimble that serves as a substructure for a porcelain-bonded-to-metal crown

a process of heating porcelain at high temp until it fuses

a process whereby particles are heated to the point that they fuse together at their borders but do not clump in one solid mass

amount of stress at which a substance deforms

firing porcelain at high temp to achieve a smooth, shiny surface

an alloy used to join two metals together or to repair cast metal restorations

an alloy that has been mechanically changed into another form to improve its properties

to modify physical properties of metal by heating it

an alloy of nickel and titanium often used for ortho wires

a measure of thickness of a wire; the lower the gauge, the thicker the wire (e.g. 8 gauge is thicker than 16 gauge)

a metal or nonmetal dowel placed within the root canal to retain a core buildup

post that sits in the prepared canal space but does not actively engage the root surface

a post cast to fit precisely in the root canal space; usually has the core attached

factory-made post supplied in several sizes