Question 1

Why are composite materials for anterior restorations used over other restorative materials?

Accepted Answer

A)  Minimal surface erosion 
B)  Resistance to biting forces 
C)  Low rate of recurrent caries 
D)  Minimal degradation in the oral environment 
A)  Minimal surface erosion 
B)  Resistance to biting forces 
C)  Low rate of recurrent caries 
D)  Minimal degradation in the oral environment

Question 2

What component initiates the polymerization reaction of a self-cure composite resin?

Accepted Answer

A)  Diketone in the presence of an organic amine 
B)  Visible curing light system 
C)  Organic peroxide initiator 
D)  Dimethacrylate 
A)  Diketone in the presence of an organic amine 
B)  Visible curing light system 
C)  Organic peroxide initiator 
D)  Dimethacrylate

Question 3

Which of the following statements is true of flowable composites when contrasted with microhybrid composites?

Accepted Answer

A)  They have lower viscosity than microhybrid composites. 
B)  They have a higher filler content than microhybrid composites. 
C)  They have higher wear resistance than microhybrid composites. 
D)  They exhibit lower polymerization shrinkage than microhybrid composites. 
A)  They have lower viscosity than microhybrid composites. 
B)  They have a higher filler content than microhybrid composites. 
C)  They have higher wear resistance than microhybrid composites. 
D)  They exhibit lower polymerization shrinkage than microhybrid composites.

Question 4

Which of the following statements is true regarding composite curing times?

Accepted Answer

A)  Darker shades require shorter curing times than lighter shades. 
B)  Curing times with PAC lights are longer than for QTH or LED lights. 
C)  Microhybrid composites require longer curing times than microfilled composites. 
D)  More opaque composites require longer curing times than more translucent composites. 
A)  Darker shades require shorter curing times than lighter shades. 
B)  Curing times with PAC lights are longer than for QTH or LED lights. 
C)  Microhybrid composites require longer curing times than microfilled composites. 
D)  More opaque composites require longer curing times than more translucent composites.

Question 5

Why would a dentin bonding agent not be used when placing a resin-modified glass ionomer?

Accepted Answer

A)  It decreases the release of fluoride 
B)  Using a curing light is not necessary. 
C)  The material does not bond to tooth structure. 
D)  The material is used for temporary restorations. 
A)  It decreases the release of fluoride 
B)  Using a curing light is not necessary. 
C)  The material does not bond to tooth structure. 
D)  The material is used for temporary restorations.

Why are composite materials for anterior restorations used over other restorative materials?

What component initiates the polymerization reaction of a self-cure composite resin?

Which of the following statements is true of flowable composites when contrasted with microhybrid composites?

Which of the following statements is true regarding composite curing times?

Why would a dentin bonding agent not be used when placing a resin-modified glass ionomer?

Introduction to Restorative Dental Materials

Properties of Materials

Preventive Dental Materials

Dental Amalgam

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

Exam 4: Direct Esthetic Restorative Materials

Why are composite materials for anterior restorations used over other restorative materials?

What component initiates the polymerization reaction of a self-cure composite resin?

Which of the following statements is true of flowable composites when contrasted with microhybrid composites?

Which of the following statements is true regarding composite curing times?

Why would a dentin bonding agent not be used when placing a resin-modified glass ionomer?

Introduction to Restorative Dental Materials

Properties of Materials

Preventive Dental Materials

Dental Amalgam

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