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25 Cards in this Set
- Front
- Back
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What are demands for a luting agent (4) |
Biocompatible Insoluble to oral fluids Accurate fit of restorations Patient diet- in regards to acidic enviroments |
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What do cements have to endure (4) |
Fermenting bacteria Poor plaque control Solubility of a cement increases with decreasing pH Recurrent decay |
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What are the uses of dental cements (5) |
Pulp Protection Temporary restorations Temporary material as a base Temporary materal for Caries control Dentinal Bonding agent |
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When are cements used for pulp protection |
Dentin that is LESS than 2mm in thickness |
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Describe a Liner (3) |
Protection from chemical irritation Stimulate secondary dentin formation Can release FL2 |
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Describe a Base (3) |
Provides thermal insulation can support restorative material Releases Fl2 |
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When are temporary restorations used |
Emergency restoration Intermediate restoration |
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What is a Temporary material as a base |
Temporary filling is reduced but while leaving some behind as a base |
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What are two types of caries control cements |
ZOE Glass Ionomer |
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What is an example of a varnish that protects the pulp |
Copalite |
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What is an example of a primer for pulpal protection and is dentinal bonding agent |
GLUMA |
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The size of the particles of cements determines what |
Thickness of the material |
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Explain Zinck oxide (4) TYPE OF POWDER |
Insoluable reactive oxide that can react with acid 2 additives Magnesium oxide: Controls setting reaction Aluminum oxide: Controls strength of cement Possesses antibacterial chacteristics |
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Describe Powdered Glass (3) TYPE OF POWDER |
Silicone Oxide Additives Sodium, Calcium, Potoasium reactive with strong acids Fluoride additive Reduces melting temp of glass and fl2 releasing ability |
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Coated paper pads are usually used for what cements |
Glass Ionomer
Polycarboxylate |
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Glass Slabs are usually used for what cement
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Zinc Phosphate |
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ZOE CEMENT (2) |
Reinforced temporary restorations Provides pulpal Protection Releases Fl2 Mixed on a glass slab |
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ZINC PHOSPHATE CEMENT (4) |
Luting inlays, crowns, bridges, and ortho bands Glass Slab for mixing Exothermic reaction Irritating due to low pH |
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GLASS IONOMER (5) |
Base, luting agent, or restorative material Popular as a light activated base material Strongest and least soluable Can bond to stainless steel and other alloys Release Fluoride |
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POLYCARBOXYLATE CEMENT (3) |
First adhesive material in denistry Bonds directly to tooth surface creates less leakage Replaced by glass ionomers |
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COMPOSITE CEMENTS (3) |
Used for poor fitting crowns Direct bonding to tooth structures Favored when luting ceramic restroations |
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What are the 3 liquids used in dental cements |
Eugenol
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Describe Eugenol (2) |
From oil cloves Reduces irritation to the pulp Obudent |
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Describe Phosphoric Acid |
Very sensitive to water and humidity |
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What is Calcium Hydroxide (DYCAL) used for |
Pulp capping, base or liner for restorations |
