Term
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Definition
| the chemical attraction between two unlikely materials |
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Term
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Definition
| chemical attraction between 2 likely materials |
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Term
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Definition
| slow dimensional change caused by compression |
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Term
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Definition
ability to undergo change of form without breaking
ex twist tie |
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Term
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Definition
| materials ability to recover initial shape after undergoing a force |
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Term
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Definition
| absorption of solvent by a gel |
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Term
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Definition
materials capacity to be shaped by force or pressure
ex playdoh |
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Term
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Definition
| force at which a material cannot return to its original shape |
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Term
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Definition
| contraction of a gel due to loss of a solvent |
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Term
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Definition
| force needed to stretch a material to the point of fracture |
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Term
| What is amalgam an alloy of? |
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Definition
| mercury with silver, copper, tin, and zinc |
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Term
| Why is copper added to amalgams? |
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Definition
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Term
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Definition
| causes roughness which makes a bigger surface area for a better bond |
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Term
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Definition
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Term
| What are bonding failures commonly caused by? |
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Definition
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Term
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Definition
| esthetic restoration material composed of a bonding agent and tooth colored filler particles |
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Term
| What are the filler particles in composites? |
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Definition
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Term
| What is added to composites to make it radiopaque? |
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Definition
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Term
| If the pulp is exposed do you use a liner or base? |
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Definition
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Term
| Is light cured unmixed or mixed? Is self cured mixed or unmixed? |
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Definition
| light cured= unmixed, self cured=mixed |
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Term
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Definition
| seal dentin, medicate the pulp What |
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Term
| What are three types of liners? |
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Definition
1.calcium hydroxide
2.zinc-oxide
3.resin-modified glass ionomer |
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Term
| Which type of liner stimulates repairitive dentin formation? |
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Definition
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Term
| Which type of liner should not be used for composites? |
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Definition
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Term
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Definition
| used to provide thermal insulation or mechanical protection for the pulp |
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Term
| What are dental bases made of? |
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Definition
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Term
| What are dental cements used for? |
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Definition
| to affix a restoration or tooth structure, or as a base |
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Term
| What is zinc phosphate cement? |
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Definition
| exothermic reaction, mix on cool glass slab |
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Term
| What is resin cement used on? |
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Definition
| esthetic restorations like porcelin |
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Term
| Which type of cement is used for temporary crowns? |
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Definition
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Term
| What are the 2 types of impression materials? |
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Definition
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Term
| Which type of rigid impression material is used for final dentures? |
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Definition
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Term
| Which type of impression material is reversible? |
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Definition
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Term
| What is a type of irreversible flexible impression material? |
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Definition
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Term
| What are some gypsum products? |
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Definition
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Term
| Which is superior: stone or plaster? |
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Definition
| stone is alpha, plaster is beta |
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Term
| Which type of gypsum is used for orthodontic models? |
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Definition
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Term
| Which type of gypsum is used for study models? |
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Definition
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Term
| Which type of gypsum product is used for crown and bridge or die? |
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Definition
| improved stone or die stone |
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Term
| What are casting alloys used for? |
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Definition
| to fabricate inlays, onlays, crowns, and bridges |
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Term
| What kind of metals do precious alloys contain? Nonprecious? |
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Definition
precious-noble metals
nonprecious-base metals |
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Term
| What may casing alloys be polished with intraorally? Extraorally? |
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Definition
intra- tin oxide
extra- rouge |
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Term
| What are implants made of? |
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Definition
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Term
| What is the leading cause of implant failure? |
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Definition
| mobility, unability of the bone to regrow/fuse around it |
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Term
| What are some contra-indications to implants? |
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Definition
-inadequate bone
-uncontrolled perio
-smoking
-infection |
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Term
| May a electric toothbrush be used on an implant? |
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Definition
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Term
| Can the air polisher be used on implants? |
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Definition
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Term
| Can regular instruments be used on implants? |
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Definition
| no metal ones except titanium, titanium alloy, or graphite |
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Term
| What is the active ingredient in tartar control tooth paste? |
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Definition
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Term
| What is an active ingredient in gum care toothpaste? |
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Definition
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Term
| What are the top 3 active ingredients in sensitivity toothpaste? |
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Definition
-potassium nitrate
-strontium chloride
-sodium citrate |
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Term
| What are some active home whitening ingredients? |
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Definition
| hydrogen peroxide, carbamide peroxide |
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