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Chapter 44 Bases etc
Bases, Liners, and Bonding Systems
Question | Answer |
---|---|
What is an example of biological pulpal stimuli? | bacteria from saliva coming into contact with pulpal tissues |
What is the function of a dental liner? | protects the pulp from irritation |
What stimulates the production of reparative dentin? | Calcium hydroxide |
What is the main ingredient in varnish? | resin |
Why is dental varnish is used in the cavity preparation | seal the dentinal tubules and reduce leakage around a restoration |
Protective bases are placed when it is necessary to protect the pulp before the restoration is placed, because without this protection there may be ___________. | postoperative sensitivity and damage to the pulp |
What is the other name used for dentin sealer? | desensitizer |
What does the dentin sealer seal? | dentin tubules |
What effect does eugenol have on the pulp? | soothing |
Acid etching utilizes etchant containing what kind of acid. | phosphoric |
What is an example of enamel bonding? | veneers |
Etchant removes the _____ layer in preparation for bonding. | smear |
Which material is applied first: the bonding or etchant material? | etchant |
Can varnish be placed under all restorative materials? | No |
The smear layer is composed of _____. | a very thin layer of debris |