Dental Materials

The chemical attraction between unlike molecules

The chemical attraction between like molecules

An index which indicates how one material reacts to temperature extremes in relation to one another

the higher the coefficient of thermal expansion, the ______ a material expands with heat and contracts with cold

The force at which a material breaks under pressure

slow dimensional change caused by compression (like biting an amalgam)

The ability to undergo change of form without breaking

a material's ability to recover its initial shape after undergoing a force

an electrical current generated by dissimilar metals in an acidic environment

the process of gelling (solidification by cold)

the volumetric weight of one cubic centimeter or milliliter of water

Absorption of a solvent by a gel

a material's capacity to be shaped by force or pressure

passage of oral fluids/bacteria into and out of tooth structure due to marginal gap or failure of marginal (restorative) seal

The linking, branching, or cross-linking of smaller molecules

The force at which a material cannot return to its original shape

contraction of a gel due to the loss of a solvent

The force needed to stretch a material to the point of fracture

Resistance to flow

If you change a material's components, you change its properties