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10 Cards in this Set
- Front
- Back
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Design of cavity preparation is determined by?
a) Location of Caries b) Dental material used c) Location of tooth d) A & B e) All of the above |
A&B
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What is the function of bevels in Class IV cavity prep?
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1. Increase surface area for bonding, increase retention
2. Removes unsupported enamel 3. Improves esthetics |
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The retention of composite to dentin comes from?
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Micromechanical properties
(Glass ionomer is the only material that uses chemical bonding) |
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T/F
Inorganic filler particles in resin decreases fluidity |
True
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T/F
Inorganic filler particles in resin Increase shrinkage |
False
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What property resists forces that tend to displace the restoration by torquing or tipping?
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Resistance form
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What property resists forces that tend to dislodge or draw the restoration along the long axis of the tooth?
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Retention Form
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What are the 3 main components of Resin?
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Resin Matrix
Particles Organosilane |
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What is the dimensions of Microfill?
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0.04 Micron colloidal silica microfill
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What are the steps in cavity preparation?
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1. Establish
2. Obtain retension and resistance form 3. Obtain convenience form 4. Remove remaining caries 5. Finish enamel walls and margins 6. Clean preparation |
