Recent Lessons

Show all results for ""

12 Questions

1 Views

Dental Cements2

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the purpose of breaking the seal separating powder and liquid when manipulating Glass Ionomer Cement in capsule form?

To ensure proper proportions for mixing (correct)
To mix the powder and liquid manually
To activate the chemical bonding to enamel and dentin
To start the setting reaction

Which feature of Resin Cements makes them suitable for cementation of inlays, crowns, and other dental appliances?

High fracture resistance
Water sensitivity during setting phase
Chemical bonding to enamel and dentin (correct)
Low wear resistance

What is a disadvantage of Unfilled resin cements, which are not commonly used today?

High fracture resistance
Improved moisture control during manipulation (correct)
Low wear resistance
Excellent color matching with teeth

Why are Capsules used for the manipulation of Glass Ionomer Cement?

To facilitate pre-proportioned P:L ratio (C) Signup and view all the answers

What is the purpose of a Cavity Varnish in restorative dentistry?

To form a protective barrier against chemical irritants (C) Signup and view all the answers

Why is Calcium Hydroxide used under amalgam restorations?

To neutralize acidity of silicate and zinc phosphate cements (A) Signup and view all the answers

What happens when Calcium Hydroxide is exposed to the oral environment?

It dissolves due to its high strength (C) Signup and view all the answers

What is the primary role of a Cavity Liner in restorative dentistry?

To be used under composite restorations (A) Signup and view all the answers

What is the traditional classification of Glass Ionomer Cements based on?

Use in dentistry (C) Signup and view all the answers

How should Glass Ionomer Cement be manipulated for optimal performance?

Mixing should be completed within 40-60 sec (D) Signup and view all the answers

Which type of Glass Ionomer Cement is used for fissure sealants?

Type IV (B) Signup and view all the answers

What indicates the end of the working time and the start of the setting reaction for Glass Ionomer Cement?

Loss of gloss on the cement surface (C) Signup and view all the answers