Flashcards on Restorative Dentistry in Small Animals
Restorative Dentistry in Small Animals: A Student Guide
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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.