week 1 study guide DM

24 terms by krysmuir

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dental restorative materials are used by dental team to to..

prevent or repair damage to teeth caused by trauma or oral disease

untreated dental caries can lead to

death, but extraction is more common

restorative materail are used to..

prevent disease and alleviate pain, inflammation and infection

two basic types of restorations?

intracoronal and extracoronal

Intracoronal restorations are.

used to repair damage that is restricted to the internal part of the tooth

extracoronal restorations are

used to restore teeth with more extensive damage that cannot be managed with intracoronal restorations, covers a cusps

example of indirect restorations

crowns and veneers

examples of direct restorations

amalgam or composites

Inlay definition

restoration prepared outside the mouth and cemented into cavity prepration

Onlay definition

substance fitted to a cavity in a tooth and cemented into place, extends to replace a cusp

3 compositions of crowns:

casting alloys, polymers ,ceramics

3 ways to replace one or more missing teeth

fixed partial denture (bridge), dental implant, removable partial denture

3 preventive dental treatments

flouride gels, rinses, varnishes

ductility

ability of material to be stretched into wire without rupturing

malleability

ability of material to be rolled into a sheet without fracture

sorption

both absorption and adsorption

corrosion

internal destruction of material

tarnish

surface phenomon, discoloration of surface, can be removed by polishing

thermal conductivity

quantity of heat transferred across a unit area

wettability

measure of a liquid for a solid by spreading a drop of water

percolation

penetration and forcing out of oral fluids between a dental restoration

compressive forces

stress required to rupture a material when its pressed together

tensile forces

force per unit area that tends to stretch or elongate

galvanism

effect in mouth as a results of the use of dissimilar metals

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