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32 Cards in this Set
- Front
- Back
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What are cavity sealers used for?
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They seal dentinal tubules. Provides protective coating for prepared dentin.
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What are dental adhesives and what do they do?
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They are a subgroup of sealers and provied pulpal protection by sealing out bacteria from the tooth-restoration interface.
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What is a cavity liner?
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A cement or resin coating placed over dentin as a barrier between the tooth and the restorative material.
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What are the increments used for cavity liners?
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Used in increment thicknesses of 0.5mm or less.
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What are cavity bases used for and how are they used?
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They are used in bulk thickness to replace missing dentin and support of the final resorations.
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What do cavity liners protect?
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pulp
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What helps protect against sensitivity in cavity sealers?
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Fluoride
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GLUMA is compatible with which bonding agents?
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ALL of them
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What is the main adhesive sealer?
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GLUMA
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What product type is effective in dentin desensitization?
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Adhesive sealers.
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Cavity Liners provide a seal (with or without?) etching.
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without
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What must you do if you use Calcium Hydroxide?
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Cover it with a glass ionomer and seal it.
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What is an example of Calcium Hydroxide? and when do you use it?
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Dycal, used when you are really close to the pulp.
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What makes calcium hydroxide antibacterial?
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Its high pH of 12
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What is the approximate setting time of Calcium Hydroxide Liner? (Dycal)
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2minutes
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Glass ionomer is antibacterial due to _______.
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Fluoride
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Glass ionomer has a very good bond to _____ but poor bond to ______.
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Good bond to DENTIN
Pooer bond to ENAMEL |
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What is an example of Glass Ionomer? How long do you light cure for?
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Fuji, 20 sec light cure.
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What is the main type of cavity base?
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Glass Ionomer
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What must Zinc Phosphate be mixed on and why?
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Mixed on a cold glass slab because it is exothermic
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Polycarboxylate is used mostly as what?
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An interim cement for long-term temporaries
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What has the best overall properties for compressive strength, thermal conductivity, solubility, and bond strength?
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Resin Modified Glass Ionomer.
example = Fuji |
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Glass Ionomer consists of _____ _______ surrounded and supported by a ______ arising from the dissolution of the surface of the glass particles in the acid.
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glass particles
matrix |
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Glass ionomer restorations act as a _______ ________ as free fluoride is released from the glass into the matrix.
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fluoride reservoir
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Which has smaller particle size.... Liners or Cements? and why?
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Cements, in order to achieve thinner film thicknesses
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T/F
GI cement should be pre-conditioned when cementing full crowns to vital teeth |
False.
Should NOT be preconditioned |
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What can be used to block out undercuts, or form internal build-ups for indirect resorations?
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Bases
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What is used as therapeutic agents when the Remaining Dentin Thickness (RDT) is 0.5mm or less?
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CaOH liners (Calcium hydroxide)
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What range of RDT are GI liners used?
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when 0.5mm < RDT < 1.5mm
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At what RDT is a liner NOT necessary?
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1.5mm
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Bases and liners should only be applied where?
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deepest portion of the prep
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What should be used routinely under amalgam and composites?
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Dental adhesives
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