Dental Material Final

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Author:
cassiedh
ID:
82718
Filename:
Dental Material Final
Updated:
2011-04-29 21:52:59
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dental materials final review definitions
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  1. gradual change in the shape of a restoration caused by compression from occclusion or adjacent teeth
    creep
  2. stiffness, inability to bend
    modulus of elasticity
  3. the rate at which heat flows through a material
    thermal conductivity
  4. the ability of a material to resist fracture
    toughness
  5. the ability of an object to be pulled or stretched under tension without rupture
    ductility
  6. the maximum amount of stress a material can withstand without breaking
    ultimate strength
  7. the ability of a material to flow
    viscosity
  8. the act of forming polymers
    polymerization
  9. long chain, high molecular weight molecule produced by the linking of many low molecular weight monomer molecules
    polymer
  10. the property of absorbing light of short wavelength and emitting light of longer wavelength
    fluorescence
  11. optical property in which light is completely absorbed by an object
    opacity
  12. vary degrees of light passing through and being absorbed by an object
    translucency
  13. deterioration of a metal caused by a chemical attack or electrochemical reaction with dissimilar metals in the presence of a solution containing electrolytes (such as saliva)
    corrorion
  14. phenomenon of transmission of electrical current between two dissimilar metals
    galvanism
  15. the current may result in stimulation to the pulp
    galvanic shock
  16. solidification by cold (type of change)
    gelation
  17. a characteristic of gels to contact and squeeze out some liquid, which then accumulates on the surface
    syneresis
  18. the act of absorbing moisture
    imbibition
  19. the movement of the wax as it approaches the melting range
    flow
  20. the ability to be compressed and formed into a thin sheet without rupture
    malleability
  21. the ability of a liquid to wet or intimately contact a solid surface. Water beading on a waxed car is an example poor ____
    wetting
  22. a mixture of two or more metals
    alloy
  23. force applied in opposite directions to stretch an object
    tensile force
  24. the property of a material that allows it not to impede or adversely affect living tissue
    biocompatibility

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