Flashcards on Restorative Dentistry in Small Animals

Restorative Dentistry in Small Animals: A Student Guide

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What is a dental liner and where is it placed?

A dental liner is a material placed in a thin layer over exposed dentine within a cavity preparation.

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Restorative Dentistry Basics

129 cards

Card 1

Question: What is a dental liner and where is it placed?

Answer: A dental liner is a material placed in a thin layer over exposed dentine within a cavity preparation.

Card 2

Question: List four functions of a dental liner.

Answer: Dentinal sealing, pulpal protection, thermal insulation, and stimulation of irregular secondary (tertiary) dentine formation.

Card 3

Question: Name two materials that dental liners may contain.

Answer: Calcium hydroxide (Ca(OH)2) or mineral trioxide aggregate (MTA).

Card 4

Question: What is a dental base and how does its placement differ from a liner?

Answer: A dental base is placed on the floor of the cavity preparation in a relatively thick layer, unlike a thin liner over exposed dentine.

Card 5

Question: What are the main purposes of a dental base?

Answer: Protect the pulp by providing thermal insulation, absorb occlusal forces, and help fill or line out undercut areas for indirect restorations.

Card 6

Question: When are flowable glass-ionomers considered a good base?

Answer: When the cavity is not too close to the pulp.

Card 7

Question: List the main steps in restorative techniques mentioned.

Answer: Dentinal bonding (local and full mouth), cavity preparation, restorative material application, sandwich technique, standard composite restoration, sub

Card 8

Question: Describe the ideal cavity preparation shape and margins.

Answer: Regular shape with no rectangular sharp lines, even and smooth cavity bottom, no enamel overhangs, cavosurface at 90° to enamel, and beveled margins t

Card 9

Question: What is the recommended bur shape for most cavity preparations?

Answer: Pear-shaped and round burs are most common; cavity wall straight with inverted cone where needed.

Card 10

Question: How is retention achieved when using an inverted cone bur?

Answer: Use an inverted cone bur to obtain a bottom diameter larger than the cavity margin diameter for retention.