Dental Base Materials Quiz

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What is a common cause of failure of indirect restorations?

Solubility in oral fluids

Excessive thickness

Inadequate flow

Lack of adhesion (correct)

What does the term 'adhesion' depend on in the context of dental cements?

Manufacturer of the cement

Color of cement

Strength of cement (correct)

Flavor of the cement

Which mechanical property is important for cavity lining to resist packing of restorative materials?

High thermal conductivity

High modulus of elasticity (correct)

Low ductility

Low tensile strength

How does the use of adhesive materials impact the risk of restoration displacement?

Reduces the risk Signup and view all the answers

Why is it advantageous for luting materials to have a thinner film thickness?

Enhanced adhesion to tooth structure Signup and view all the answers

What is one benefit of bonding in certain instances like with porcelain crowns?

Reduces restoration fracture risk Signup and view all the answers

What is an ideal requirement of dental cements for endodontic purposes?

High radiopacity Signup and view all the answers

What is a requirement for cement base materials to ensure a high bond strength between tooth and restorative surface?

Insolubility in saliva Signup and view all the answers

Which characteristic should base materials for cavity bases have in relation to the filling material and tooth structure?

Should not affect setting characteristics Signup and view all the answers

Why should cement base materials be insoluble in saliva and oral liquids?

To prevent recurrent caries Signup and view all the answers

Why is it important for dental cements to be non-toxic and non-irritant to pulp or tissues?

To prevent harm or irritation to biological tissues Signup and view all the answers

What is a key requirement for materials used in orthodontics?

Excellent bonding to tooth structure and appliances Signup and view all the answers

What is the main purpose of using base materials under metallic restorations?

To offer a thermal barrier Signup and view all the answers

Why should base materials be electrically insulating?

To shield the tooth from electrical shock due to metallic restorations Signup and view all the answers

Why is it important for cement base materials to be radiopaque?

To evaluate location and thickness of the material Signup and view all the answers

What is the primary function of dental cements?

To glue 2 solid objects together Signup and view all the answers

Which of the following is a use of dental cements mentioned in the text?

Serving as a root canal sealer in endodontics Signup and view all the answers

What characteristic is crucial for cement base materials to withstand packing force of permanent restorations?

Retention Signup and view all the answers

What is an ideal biological property required for dental cements?

Non-irritant to the pulp or tissues Signup and view all the answers

Why is a low film thickness important in cement base materials?

To allow for correct seating of the restoration Signup and view all the answers

Why should dental cements be insoluble in saliva and other mouth liquids?

To avoid causing pulp irritation Signup and view all the answers

What is the purpose of a chemical barrier in base materials?

To protect from chemical irritants in filling materials Signup and view all the answers

In what type of areas are dental cements commonly used as restorative materials?

Non-stress bearing areas Signup and view all the answers

What is the purpose of applying cavity liners in a thin layer during dental procedures?

To seal the dentin from bacteria and irritants Signup and view all the answers

Which type of dental cement is based on Zinc Oxide Powder and Phosphoric Acid?

Zn Phosphate Cement Signup and view all the answers

Resin cements are primarily used for which dental purpose?

Luting Signup and view all the answers

What classification of dental cements is based on Alumino Silicate Glass and Polycarboxylic Acid?

Glass Ionomer Cement Signup and view all the answers

Which type of dental cement is classified as Water-Based Cement?

Zinc-Phosphate Cement Signup and view all the answers

According to ADA specifications, which type of dental cement is recommended for Filling purposes?

Large-Grain for Filling Signup and view all the answers

Which classification of dental cements includes Varnishes & Liners?

Oil-Based Cement Signup and view all the answers