Name: Score:
90 Multiple choice questions
Term 1 of 90
How do self-etching bonding systems work?
Acidic monomers replace need for phosphoric acid etching.
New monomers chemically adhere to hydroxyapatite.
Phosphoric acid is mixed with other components of the bonding system.
Chemical bonding to collagen replaces need for micromechanical bonding.
Wetting agent helps adaptation and replaces need for micromechanical bonding.
Term 2 of 90
Mouth protectors should be cleaned with
ultrasonic agitation in baking soda solutions.
dilute chlorine bleach in water.
denture-cleaning solutions.
cool soap-and-water solutions.
dilute chlorhexidine solutions.
Term 3 of 90
Which of the following constituents may have a palliative action on the dental pulp?
Calcium hydroxide
Bis-GMA
4-META
Eugenol
HEMA
,Term 4 of 90
What is the shorthand representation for a self-etching primer adhesive?
E+PB
EP+B
EPB
E
E+P+B
Term 5 of 90
What is the karatage of an alloy that is 80% Au by weight?
10 karat
13 karat
16 karat
19 karat
22 karat
Term 6 of 90
Which restorative material is most often substituted for dental amalgam in posterior restoration
applications?
Dental composite
Hybrid glass ionomer
Direct gold
ART restorations
All-ceramic
,Term 7 of 90
Which of the following biomaterials utilizes tissue from a cadaver?
Allograft
Xenograft
Synthetic tissue
Engineered tissue
Autograft
Term 8 of 90
What is the main goal in the design of dental inlay waxes?
Low cost
Low melting temperature
Complete pyrolysis on heating to CO2 and H2O
Low coefficient of thermal expansion
High hardness
Term 9 of 90
Which of the following is a rapid thermal conductor?
Dentin
Dental amalgam
Dental composite
Zirconia all-ceramic inlays
Dental enamel
, Term 10 of 90
Which of the following is not a scaffold material for tissue engineering?
Gold mesh
Polylactic acid (PLA)
Bioglass
Collagen
Bone chips
Term 11 of 90
Why is the linear coefficient of thermal expansion important for restorative materials?
It predicts the loss in strength of a restorative material as the temperature increases.
It indicates the insulating characteristics of a restorative material.
It indicates the resistance to thermal degradation of a material.
It indicates the amount of expansion/contraction on polymerization.
It predicts the mismatch in expansion/contraction at the interface of restorative
materials.
Term 12 of 90
Which of the following choices MOST resembles a compomer?
Glass ionomer
Zinc phosphate cement
Polycarboxylate
Giomer
Composite
90 Multiple choice questions
Term 1 of 90
How do self-etching bonding systems work?
Acidic monomers replace need for phosphoric acid etching.
New monomers chemically adhere to hydroxyapatite.
Phosphoric acid is mixed with other components of the bonding system.
Chemical bonding to collagen replaces need for micromechanical bonding.
Wetting agent helps adaptation and replaces need for micromechanical bonding.
Term 2 of 90
Mouth protectors should be cleaned with
ultrasonic agitation in baking soda solutions.
dilute chlorine bleach in water.
denture-cleaning solutions.
cool soap-and-water solutions.
dilute chlorhexidine solutions.
Term 3 of 90
Which of the following constituents may have a palliative action on the dental pulp?
Calcium hydroxide
Bis-GMA
4-META
Eugenol
HEMA
,Term 4 of 90
What is the shorthand representation for a self-etching primer adhesive?
E+PB
EP+B
EPB
E
E+P+B
Term 5 of 90
What is the karatage of an alloy that is 80% Au by weight?
10 karat
13 karat
16 karat
19 karat
22 karat
Term 6 of 90
Which restorative material is most often substituted for dental amalgam in posterior restoration
applications?
Dental composite
Hybrid glass ionomer
Direct gold
ART restorations
All-ceramic
,Term 7 of 90
Which of the following biomaterials utilizes tissue from a cadaver?
Allograft
Xenograft
Synthetic tissue
Engineered tissue
Autograft
Term 8 of 90
What is the main goal in the design of dental inlay waxes?
Low cost
Low melting temperature
Complete pyrolysis on heating to CO2 and H2O
Low coefficient of thermal expansion
High hardness
Term 9 of 90
Which of the following is a rapid thermal conductor?
Dentin
Dental amalgam
Dental composite
Zirconia all-ceramic inlays
Dental enamel
, Term 10 of 90
Which of the following is not a scaffold material for tissue engineering?
Gold mesh
Polylactic acid (PLA)
Bioglass
Collagen
Bone chips
Term 11 of 90
Why is the linear coefficient of thermal expansion important for restorative materials?
It predicts the loss in strength of a restorative material as the temperature increases.
It indicates the insulating characteristics of a restorative material.
It indicates the resistance to thermal degradation of a material.
It indicates the amount of expansion/contraction on polymerization.
It predicts the mismatch in expansion/contraction at the interface of restorative
materials.
Term 12 of 90
Which of the following choices MOST resembles a compomer?
Glass ionomer
Zinc phosphate cement
Polycarboxylate
Giomer
Composite
