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 and corrodes more readily

alloy composed of metals that do not corrode readily

classifcation of metal based on its high cost

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

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

a process of heating procelain at high temperature until it fuses

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

amount of stress at which a substance deforms

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

an alloy used to join tow metalls together or to repair cast mmetal restorations

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

to modify physical properties of a metal by heating it

an alloy of nickel and titanium often used for orthodontic wires

a measure of the thickness of a wire; the lower the ___ the thicker the wire (8 ___ is thicker than 16 ___)

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

post that engages the root canal surface like a screw

post that sits in the prepared canal space but does not actively engange 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