Dental Cements Quiz

What are the requirements for an ideal dental cement?

• Bonding properties only

• Mechanical properties only

• Biological, rheological, solubility, mechanical, bonding, and optical properties

• Biological properties only

What is the purpose of luting agents in dentistry?

• To attach restorations to natural teeth

• To extract teeth

• To clean teeth

• To whiten teeth

Which type of dental cement is used as a temporary filling material?

• Zinc oxide/eugenol

• Zinc phosphate

• Zinc polycarboxylate

• Glass ionomer

What is the setting reaction for Zinc oxide/eugenol cement?

• Acid-base reaction

• Oxidation-reduction reaction

• Chelation reaction

• Polymerization reaction

What is the film thickness of Zinc phosphate cement?

• 35 microns

• 50 microns

• 25 microns

• 40 microns

Which cement is known for its high compressive strength and is used as a base under dental amalgam?

• Zinc oxide/eugenol

• Zinc phosphate

• Glass ionomer

• Zinc polycarboxylate

What is the main disadvantage of Zinc oxide/eugenol cement?

• High mechanical properties

• Strong bonding

• High solubility

• Brittle material

How does Zinc polycarboxylate cement bond to tooth structure?

• Mechanical interlocking

• Chemical bonding with calcium of enamel and dentin

• Electrostatic attraction

• Hydrogen bonding

What is the main advantage of Polymer reinforced Zinc oxide/eugenol cement?

• Low compressive strength

• High solubility

• Inhibits the polymerization reaction

• Can be used as a final cement

Which cement is contraindicated under amalgam restoration due to its setting reaction?

• Glass ionomer

• Zinc phosphate

• Zinc oxide/eugenol

• Zinc polycarboxylate