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DEA 213

Quiz 5

_____ is the deterioration of a metal by a chemical or electrochemical reaction Corrosion
Which of the following materials is MOST OFTEN used for a temporary restoration? ZOE
Because ZOE has a neutral pH of 7 and contains eugenol, it is ____ to the pulp Obtunding
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.
Amalgam has been popular for the restoration of carious teeth because It is more economical than composites It has excellent physical properties It is easy to manipulate
Which of the following would be the material of choice as an insulating base as well as a sedative base? Zinc Oxide Eugenol
An _____ is defined as a mixture of two or more metals. Alloy
Intermediate restorative material (IRM) is a Zinc Oxide Eugenol Cement
The dental assistant may have the responsibility of placing the mixed cement in a crown. The cement should be loaded so that a thin layer lines all the walls of the crown
An undermixed dental amalgam will appear: grainy
Which of the following is the most important rule to follow when preparing dental cements? Follow the manufacturer's directions
Dental amalgam primarily consists of _____. mercury, silver, copper, and tin
_____ is added to dental amalgam alloy powder to suppress oxidation. Zinc
A properly mixed amalgam should appear As a homogenous mass with slight shine
If excess cement is not removed from in and around the gingival margin and sulcus of the tooth, the cement can irritate the area and cause inflammation and discomfort.
Created by: ashblake4
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