Test Bank for Dental Materials: Foundations and
Applications 11th Edition All Chapters 1-15|LATEST
A liquid with high viscosity _____ flow easily and _____ effective in wetting a surface. -
ANSWERSdoes not; is not
Dental restorative materials that are applied, while pliable, to a tooth or teeth and can be
adapted, carved, and finished are classified as: - ANSWERSdirect restorations.
The silver filling material used for more than150 years to restore primary and permanent teeth
is called: - ANSWERSamalgam.
_____ is added to dental amalgam alloy powder to suppress oxidation. - ANSWERSZinc
The resin matrix component of composite is dimethacrylate, a fluid-like material also referred to
as: - ANSWERSBIS-GMA.
The conventional or traditional composites, which contain the largest filler particles and provide
the greatest strength, are known as _____ composites. - ANSWERSmacrofilled
_____ is the process by which the resin material is changed from a pliable state into a hardened
restoration. - ANSWERSPolymerization
Glass ionomer can be used for class _____ restorations. - ANSWERSV
Which of the following is an advantage to using glass ionomer as a restorative material? -
ANSWERSGlass ionomer releases fluoride after their final setting.
,An intermediate restorative material should be selected to restore a that tooth has: -
ANSWERSlost a restoration.
Intermediate restorative material (IRM) is a: - ANSWERSzinc oxide—eugenol cement.
Which of the following statements is true of the composition of tooth-whitening materials? -
ANSWERSWhen the product contacts the teeth, it allows oxygen to enter the enamel and
dentin, which whitens the colored substances.
The dental restorations created in the laboratory by the dental laboratory technician are
classified as _____ restorations. - ANSWERSindirect
The type of ceramic most often used in dentistry for castings is: - ANSWERSporcelain.
Which restorative materials are not artistically pleasing? - ANSWERSAmalgam
Before they can be marketed, new dental materials must undergo strict evaluation by the: -
ANSWERSADA.
Criteria for new restorative materials states that the material must be: - ANSWERS-able to
protect the tooth and tissues of the oral cavity.
-easily formed and placed restoring comfort, function, and contour.
-not capable of irritating tissues or being poisonous.
Materials used to restore posterior teeth must be capable of withstanding _____ psi. -
ANSWERS28,000
Chewing is an example of _______ stress. - ANSWERScompressive
,Biting off a piece of taffy is an example of _______ stress. - ANSWERStensile
________ occurs when a metal restoration is touched by a fork. - ANSWERSGalvanic action
Corrosion of metal restorative materials: - ANSWERS-is a reaction that occurs when metal is
exposed to products such as temperature, humidity, and saline.
-is easily removed with polishing agents.
For adhesion to take place, _____ film thickness is desired. - ANSWERSa thin
The process of setting of a material is correctly referred to as: - ANSWERScuring.
The curing process in which it is the most critical that the materials are mixed and placed within
the working and setting times is with: - ANSWERSauto-cured materials.
All of the following are advantages of amalgam over composite as a restorative material except:
- ANSWERSesthetics.
All the following statements about nonmercury alloys are true except they: - ANSWERSare not
sensitive to moisture.
The ADA and the National Institute of Health-Nations Administration _____ the use of amalgam
as a posterior restorative material. - ANSWERSsupports
To ensure an accurate ratio of alloy and mercury, the best protocol to follow is to: -
ANSWERSuse premeasured capsules.
, A properly triturated amalgam mix should: - ANSWERSbe a soft, pliable mass.
The purpose of packing the amalgam in the cavity preparation is to _____ it. -
ANSWERScondense
Mixing alloy and mercury together to form a mass is called: - ANSWERS-amalgamation.
-trituration.
The instrument used to smooth the amalgam surface is: - ANSWERSa burnisher.
Ideally, composite resin shades should be chosen in: - ANSWERSdaylight.
All of the following are steps in finishing a composite restoration except: - ANSWERSburnishing.
Calcium hydroxide: - ANSWERSstimulates the production of reparative dentin.
Dental varnish is used in the cavity preparation to: - ANSWERS-seal dentinal tubules.
- reduce leakage around a restoration.
Failure to place a protective base under a restoration can result in: - ANSWERSpostoperative
sensitivity and damage to the pulp.
Materials that are versatile in their uses, such as for specialized dental bases, include: -
ANSWERSdental cements.
Acid etching uses etchant containing _____ acid. - ANSWERSphosphoric
Applications 11th Edition All Chapters 1-15|LATEST
A liquid with high viscosity _____ flow easily and _____ effective in wetting a surface. -
ANSWERSdoes not; is not
Dental restorative materials that are applied, while pliable, to a tooth or teeth and can be
adapted, carved, and finished are classified as: - ANSWERSdirect restorations.
The silver filling material used for more than150 years to restore primary and permanent teeth
is called: - ANSWERSamalgam.
_____ is added to dental amalgam alloy powder to suppress oxidation. - ANSWERSZinc
The resin matrix component of composite is dimethacrylate, a fluid-like material also referred to
as: - ANSWERSBIS-GMA.
The conventional or traditional composites, which contain the largest filler particles and provide
the greatest strength, are known as _____ composites. - ANSWERSmacrofilled
_____ is the process by which the resin material is changed from a pliable state into a hardened
restoration. - ANSWERSPolymerization
Glass ionomer can be used for class _____ restorations. - ANSWERSV
Which of the following is an advantage to using glass ionomer as a restorative material? -
ANSWERSGlass ionomer releases fluoride after their final setting.
,An intermediate restorative material should be selected to restore a that tooth has: -
ANSWERSlost a restoration.
Intermediate restorative material (IRM) is a: - ANSWERSzinc oxide—eugenol cement.
Which of the following statements is true of the composition of tooth-whitening materials? -
ANSWERSWhen the product contacts the teeth, it allows oxygen to enter the enamel and
dentin, which whitens the colored substances.
The dental restorations created in the laboratory by the dental laboratory technician are
classified as _____ restorations. - ANSWERSindirect
The type of ceramic most often used in dentistry for castings is: - ANSWERSporcelain.
Which restorative materials are not artistically pleasing? - ANSWERSAmalgam
Before they can be marketed, new dental materials must undergo strict evaluation by the: -
ANSWERSADA.
Criteria for new restorative materials states that the material must be: - ANSWERS-able to
protect the tooth and tissues of the oral cavity.
-easily formed and placed restoring comfort, function, and contour.
-not capable of irritating tissues or being poisonous.
Materials used to restore posterior teeth must be capable of withstanding _____ psi. -
ANSWERS28,000
Chewing is an example of _______ stress. - ANSWERScompressive
,Biting off a piece of taffy is an example of _______ stress. - ANSWERStensile
________ occurs when a metal restoration is touched by a fork. - ANSWERSGalvanic action
Corrosion of metal restorative materials: - ANSWERS-is a reaction that occurs when metal is
exposed to products such as temperature, humidity, and saline.
-is easily removed with polishing agents.
For adhesion to take place, _____ film thickness is desired. - ANSWERSa thin
The process of setting of a material is correctly referred to as: - ANSWERScuring.
The curing process in which it is the most critical that the materials are mixed and placed within
the working and setting times is with: - ANSWERSauto-cured materials.
All of the following are advantages of amalgam over composite as a restorative material except:
- ANSWERSesthetics.
All the following statements about nonmercury alloys are true except they: - ANSWERSare not
sensitive to moisture.
The ADA and the National Institute of Health-Nations Administration _____ the use of amalgam
as a posterior restorative material. - ANSWERSsupports
To ensure an accurate ratio of alloy and mercury, the best protocol to follow is to: -
ANSWERSuse premeasured capsules.
, A properly triturated amalgam mix should: - ANSWERSbe a soft, pliable mass.
The purpose of packing the amalgam in the cavity preparation is to _____ it. -
ANSWERScondense
Mixing alloy and mercury together to form a mass is called: - ANSWERS-amalgamation.
-trituration.
The instrument used to smooth the amalgam surface is: - ANSWERSa burnisher.
Ideally, composite resin shades should be chosen in: - ANSWERSdaylight.
All of the following are steps in finishing a composite restoration except: - ANSWERSburnishing.
Calcium hydroxide: - ANSWERSstimulates the production of reparative dentin.
Dental varnish is used in the cavity preparation to: - ANSWERS-seal dentinal tubules.
- reduce leakage around a restoration.
Failure to place a protective base under a restoration can result in: - ANSWERSpostoperative
sensitivity and damage to the pulp.
Materials that are versatile in their uses, such as for specialized dental bases, include: -
ANSWERSdental cements.
Acid etching uses etchant containing _____ acid. - ANSWERSphosphoric
