Podcast
Questions and Answers
What happens when the Powder/Liquid ratio of a cement decreases?
What happens when the Powder/Liquid ratio of a cement decreases?
- Decrease in strength, increase in flow and solubility (correct)
- No change in properties
- Increase in strength, decrease in flow and solubility
- Increased fluoride release
What advantage does Resin-Modified Glass Ionomer (RMGI) have over Glass Ionomer Cement (GIC)?
What advantage does Resin-Modified Glass Ionomer (RMGI) have over Glass Ionomer Cement (GIC)?
- Higher fluoride release
- Flexible working time (correct)
- Rapid light curing
- Increased solubility
Why should cement liners and bases be placed only on dentin?
Why should cement liners and bases be placed only on dentin?
- To speed up the setting reaction
- To avoid fluoride release
- To ensure complete removal from cavity walls and margins (correct)
- To enhance esthetics
What consideration is important when deciding on the need for a liner or base material?
What consideration is important when deciding on the need for a liner or base material?
What happens when the Powder/Liquid ratio of a cement increases?
What happens when the Powder/Liquid ratio of a cement increases?
Which cement is more suitable as a liner or luting cement rather than as a base or temporary filling material?
Which cement is more suitable as a liner or luting cement rather than as a base or temporary filling material?
Which dental material is the most rigid, tough, and durable intermediary base material?
Which dental material is the most rigid, tough, and durable intermediary base material?
Which dental material has the property of being an excellent thermal insulator when used in a thickness of 1mm or more?
Which dental material has the property of being an excellent thermal insulator when used in a thickness of 1mm or more?
Which dental material is the most irritating base material due to its acidic pH?
Which dental material is the most irritating base material due to its acidic pH?
Under what condition is it not recommended to place Zinc phosphate cement (ZPC)?
Under what condition is it not recommended to place Zinc phosphate cement (ZPC)?
What is the main component of Zinc polycarboxylate cement (PCC) powder?
What is the main component of Zinc polycarboxylate cement (PCC) powder?
Which dental material is supplied in the form of a powder and a liquid?
Which dental material is supplied in the form of a powder and a liquid?
Which type of cement is composed of an acid-soluble fluoro-alumino-silicate glass powder and a liquid of polyacrylic acid (PAA)?
Which type of cement is composed of an acid-soluble fluoro-alumino-silicate glass powder and a liquid of polyacrylic acid (PAA)?
What is the pH of the mixed setting cement after two minutes from the start of mixing?
What is the pH of the mixed setting cement after two minutes from the start of mixing?
Which cement is weaker than phosphoric acid?
Which cement is weaker than phosphoric acid?
Which cement has somewhat lower compressive strength than Zinc Polycarboxylate Cement (PCC)?
Which cement has somewhat lower compressive strength than Zinc Polycarboxylate Cement (PCC)?
What is the setting mechanism of Resin-Modified Glass Ionomer (RMGI) cement primarily based on?
What is the setting mechanism of Resin-Modified Glass Ionomer (RMGI) cement primarily based on?
What provides good thermal and electrical insulation in thickness not less than 1.5 mm?
What provides good thermal and electrical insulation in thickness not less than 1.5 mm?
