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The chemical attraction between unlike molecules
adhesion
The chemical attraction between like molecules
cohesion
An index which indicates how one material reacts to temperature extremes in relation to one another
coefficient of thermal expansion
the higher the coefficient of thermal expansion, the ______ a material expands with heat and contracts with cold
more
The force at which a material breaks under pressure
compressive strength
slow dimensional change caused by compression (like biting an amalgam)
creep
The ability to undergo change of form without breaking
ductility
a material's ability to recover its initial shape after undergoing a force
elasticity
an electrical current generated by dissimilar metals in an acidic environment
galvanism
the process of gelling (solidification by cold)
gelation
the volumetric weight of one cubic centimeter or milliliter of water
gram
Absorption of a solvent by a gel
imbibition
a material's capacity to be shaped by force or pressure
malleability
passage of oral fluids/bacteria into and out of tooth structure due to marginal gap or failure of marginal (restorative) seal
Microleakage (percolation)
The linking, branching, or cross-linking of smaller molecules
polymerization
The force at which a material cannot return to its original shape
proportional limit
contraction of a gel due to the loss of a solvent
syneresis
The force needed to stretch a material to the point of fracture
tensile strength
Resistance to flow
voscosity
If you change a material's components, you change its properties
truism
Author
sthomp88
ID
144694
Card Set
Dental Materials
Description
Book from last year
Updated
2012-03-30T01:58:07Z
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