Question 1

Which of the following statements is correct regarding today's dental amalgam?

Accepted Answer

A)  It is high in zinc. 
B)  It is low in copper. 
C)  It has high longevity. 
D)  It has placement issues. 
A)  It is high in zinc. 
B)  It is low in copper. 
C)  It has high longevity. 
D)  It has placement issues.

Question 2

Which component added to silver alloy causes amalgam to expand if contaminated by saliva?

Accepted Answer

A)  Mercury 
B)  Copper 
C)  Zinc 
D)  Tin 
A)  Mercury 
B)  Copper 
C)  Zinc 
D)  Tin

Question 3

Which of the following elements is a liquid at room temperature?

Accepted Answer

A)  Beryllium 
B)  Mercury 
C)  Gallium 
D)  Sodium 
E)  Lead 
A)  Beryllium 
B)  Mercury 
C)  Gallium 
D)  Sodium 
E)  Lead

Question 4

Which of the following is a correct assessment regarding mercury vapor in amalgam?

Accepted Answer

A)  Higher release may occur during the setting reaction. 
B)  Higher release may occur during removal of old amalgams. 
C)  Higher release may occur if the amalgam is heated above 80° C. 
D)  All of the above are correct statements. 
A)  Higher release may occur during the setting reaction. 
B)  Higher release may occur during removal of old amalgams. 
C)  Higher release may occur if the amalgam is heated above 80° C. 
D)  All of the above are correct statements.

Which of the following statements is correct regarding today's dental amalgam?

Which component added to silver alloy causes amalgam to expand if contaminated by saliva?

Which of the following elements is a liquid at room temperature?

Which of the following is a correct assessment regarding mercury vapor in amalgam?

Introduction to Restorative Dental Materials

Properties of Materials

Preventive Dental Materials

Direct Esthetic Restorative Materials

Finishing, Polishing, and Cleansing Materials

Cements

Impression Materials

Model and Die Materials

Waxes

Casting Alloys, Wrought Alloys, and Solders

Casting, Soldering, and Welding

Polymers in Prosthodontics

Dental Ceramics

Dental Implants

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Exam 5: Dental Amalgam

Which of the following statements is correct regarding today's dental amalgam?

Which component added to silver alloy causes amalgam to expand if contaminated by saliva?

Which of the following elements is a liquid at room temperature?

Which of the following is a correct assessment regarding mercury vapor in amalgam?

Introduction to Restorative Dental Materials

Properties of Materials

Preventive Dental Materials

Direct Esthetic Restorative Materials

Finishing, Polishing, and Cleansing Materials

Cements

Impression Materials

Model and Die Materials

Waxes

Casting Alloys, Wrought Alloys, and Solders

Casting, Soldering, and Welding

Polymers in Prosthodontics

Dental Ceramics

Dental Implants

Filters