Chapter 43 restorative materials and esthetic dental materials
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| To stick to or glue two items together | adhere
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| a mixture of two or more metals that are dissolved with each other when in the liquid state | alloy
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| an alloy, with one of the constituents being mercury | amalgam
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| hardened or set by a chemical reaction of two materials | auto-cured
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| hard, brittle, heat and corrosive resistant material such as clay | ceramic
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| agent that strengthens resin by bonding filler to the resin matrix | coupling agent
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| preserved or finished by a chemical or physical process | cured
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| prepared, preserved, or finished by a chemical or physical process | dual - cured
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| artistically pleasing and beautiful appearance | esthetic
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| inorganic material that adds strength and other characteristics to composite resins | filler
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| causes a physical change through energy and strength | force
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| an electrical current that takes place when two different or dissimilar metals come together | galvanic
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| a soft, hellow, corrosive-resistant metal that is used in the making of indirect restorations | gold
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| not straight, uniform, or symmetric | irregular
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| the ability of a material to withstand permanent deformation under compressive stress without sustaining permanent damage | malleability
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| foundation that binds a substance together; continuous phases ( organic polymer ) in which particles of filler are dispersed in composite resin | matrix
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| microscopic space located at the interface of the tooth structure and the sealant or restoration | microleakage
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| soft, steel - white, tarnish resistant metal that occurs naturally with platinum | palladium
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| an object that is moved vertically to pound or pulverize a material | pestle
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| silver-white noble metal that does not corrode in air | platinum
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| Hard, white, translucent ceramic material fabriated by firing and then glazing it to match the tooth color. | porcelain
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| to restore or bring back to its natural appearance | restorative
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| the act of holding something by means of an adhesive, or mechanical locking, or both | retention
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| round | spherical
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| distortion or change produced as a result of stress | strain
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| internal reaction or resistance to an externally applied force | stress
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| to mix together, as in the process of mixing an alloy with mercury to form an amalgam | trituration
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| physical property of fluids responsible for resistance to flow | viscosity
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| covering or soaking something with a liquid | wetting
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| The average biting and chewing force in the posterior area of the mouth of people with natural teeth is approximately how many psi on a single cusp of a molar tooth | 28,000 psi
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| When a person drinks hot coffee and then eats ice cream, the temperature in the mouth can change from ____ degrees F to _____ degrees F with in seconds | 150-100
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| Thermal changes in the mough are of major concern for what 2 reasons | contraction and expansion & the need to protect the pulp from thermal shock
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| Amalgam is the technical name for what | silver fillings
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| what is the predominant metal in amalgam | silver
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| what metals is the amalgam alloy powder composed of | silver, tin, copper, zinc
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| what is the tin in amalgam alloy powder used for | its workability and strength
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| what is the zinc in amalgam alloy powder used for | to supress oxidation
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| what is the copper in amalgam alloy powder used for | for its strength and corrosion resistance
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| what does Eames technique mean | 1:1 ration of mercury to alloy
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| who is most at risk for health issues realted to mercury | dentist and dental assistant
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| what are the four steps to the application of dental amalgam | preparation, trituration, condensation,carving and finishing
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| what is the range for amalgamation time | 4 - 20 seconds
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| what does IRM stand for | intermediate restorative material
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| what is an indirect restoration | one that is fabricated outside of the mouth
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| what does PFM stand for | porcelain fused to metal
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| what does PBM stand for | porcelain bonded to metal
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| what does C/M stand for | ceramco-metal
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| what does P/M stand for | porcelain -metal
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