,Chapter 01: Introduction to Restorative Dental Materials
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Powers: Dental Materials, 11th Edition
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MULTIPLE CHOICE q
1. What causes caries?
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a. Food debris q
b. Materia alba q
c. Acidic foodstuff q
d. Bacterial plaque q
e. Salivary glycoproteins q
ANS: D q
Feedback
A Food debris does not have the structural organization of bacterial plaque
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biofilm.
q
B Materia alba does not have the structural organization of bacterial plaque
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biofilm.
q
C Acidic foodstuff lowers pH and may demineralize teeth but does not directly
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cause decay.
q q
D Caries is caused by biofilm; also known as bacterial plaque.
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E Salivary glycoproteins form the acquired enamel pellicle to which bacteria
q q q q q q q q q
adhere.
q
DIF: Knowledge REF: p. 1 OBJ: 2 q q q q q q
TOP: CDA, GC, V, A,1b. Patient Education and Oral Health Management
q q q q q q q q q q
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.1 Properties and Manipulation of
q q q q q q q q q q q
Materials
q
2. Caries is most likely to occur on which of the following tooth surfaces?
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a. Buccal
b. Lingual
c. Occlusal
d. Interproximal
e. C and D are both correct.
q q q q q
ANS: E q
Feedback
A Buccal surfaces are also susceptible to caries; however, there is less surface area
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left unchecked.
q q
B Lingual surfaces are also susceptible to caries; however, there is less surface
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area left unchecked.
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C Caries is most likely to occur in pits and fissures on the occlusal surface and on
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interproximal tooth surfaces where plaque accumulates unchecked.
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D Caries is most likely to occur in pits and fissures on the occlusal surface and on
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interproximal tooth surfaces where plaque accumulates unchecked.
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, E Caries is most likely to occur in pits and fissures on the occlusal surface and on
q q q q q q q q q q q q q q q
interproximal tooth surfaces where plaque accumulates unchecked.
q q q q q q q
DIF: Knowledge REF: p. 1 OBJ: 2 q q q q q q
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials,
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including but not limited to a. amalgam, c. composites
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MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
q q q q q q q q
3. Which of the following is an intracoronal restoration?
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a. Ceramic–alloy crown on tooth number 21 q q q q q
b. Ceramic veneer on tooth number 8 q q q q q
c. Ceramic onlay on tooth number 30 q q q q q
d. Ceramic inlay on tooth number 14 q q q q q
ANS: D q
Feedback
A The alternate choices are all extracoronal restorations used to repair the external.
q q q q q q q q q q q
B The alternate choices are all extracoronal restorations used to repair the external.
q q q q q q q q q q q
C The alternate choices are all extracoronal restorations used to repair the external.
q q q q q q q q q q q
D A ceramic inlay on tooth number 14 is an example of an intracoronal restoration,
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meaning that the restoration is being used to repair damage restricted to the
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internal parts of a tooth. Materials such as amalgam and composite resin are
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used in addition to ceramic or cast metal.
q q q q q q q q
DIF: Knowledge REF: p. 4 OBJ: 3 q q q q q q
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials,
q q q q q q q q q q q q q q q
including but not limited to a. amalgam, c. composites
q q q q q q q q q
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
q q q q q q q q
4. What is the process called where decay is removed from the tooth in order for a restoration to
q q q q q q q q q q q q q q q q q
q be placed?
q
a. Cavity preparation q
b. Convenience form q
c. Margination
d. Extension
ANS: A q
Feedback
A The process is referred to as cavity preparation. Cavity preparation is used to
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remove diseased or damaged tissue and provide a space accessible for
q q q q q q q q q q q
restoration and one that can stably retain the restoration.
q q q q q q q q q
B Convenience form is a term describing the nature of the cavity preparation.
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C Extension is a term describing the nature of the cavity preparation.
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D Margination is the procedure for finishing the margins of a restoration.
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DIF: Knowledge REF: q q p. q q 4 OBJ: q q 2
, TOP: CDA, GC, III.B.1. Describe how to prepare, mix, deliver, and store restorative materials
q q q q q q q q q q q q q
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
q q q q q q q q q
5. Which of the following is an example of an intracoronal (direct) restoration?
q q q q q q q q q q q
a. Laboratory-cured composite q
b. Dental amalgam q
c. Ceramic veneer q
d. Cast crown q
ANS: B q
Feedback
A Laboratory-cured composite is a restoration that is constructed away from the q q q q q q q q q q
patient in the dental laboratory.
q q q q q
B Dental amalgam is an example of a direct restoration. All of the other
q q q q q q q q q q q q
restorations are prepared away from the tooth and then cemented or bonded to
q q q q q q q q q q q q q
the tooth using a procedure that is independent of the manufacturer of the
q q q q q q q q q q q q q
restoration.
q
C Ceramic veneer is a restoration that is constructed away from the patient in the
q q q q q q q q q q q q q
dental laboratory.
q q
D Cast crown is a restoration that is constructed away from the patient in the
q q q q q q q q q q q q q
dental laboratory.
q q
DIF: Knowledge REF: p. 4 OBJ: 3 q q q q q q
TOP: CDA, GC, III.B.1. Describe how to prepare, mix, deliver, and store restorative materials
q q q q q q q q q q q q q
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
q q q q q q q q q
6. Which of the following is an example of an extracoronal restoration? Choose all that apply.
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a. Ceramic inlay q
b. Ceramic–alloy crown q
c. Porcelain jacket crown q q
d. A, B, and C
q q q
e. A and C
q q
ANS: D q
Feedback
A All three restorations involve lab procedures and are examples of indirect
q q q q q q q q q q
restorations.
q
B All three restorations involve lab procedures and are examples of indirect
q q q q q q q q q q
restorations.
q
C All three restorations involve lab procedures and are examples of indirect
q q q q q q q q q q
restorations.
q
D All three restorations involve lab procedures and are examples of indirect
q q q q q q q q q q
restorations.
q
E All three restorations involve lab procedures and are examples of indirect
q q q q q q q q q q
restorations.
q
DIF: Knowledge REF: q q p. q q 5 OBJ: q q 3
q q q q q q
Powers: Dental Materials, 11th Edition
q q q q q
MULTIPLE CHOICE q
1. What causes caries?
q q
a. Food debris q
b. Materia alba q
c. Acidic foodstuff q
d. Bacterial plaque q
e. Salivary glycoproteins q
ANS: D q
Feedback
A Food debris does not have the structural organization of bacterial plaque
q q q q q q q q q q
biofilm.
q
B Materia alba does not have the structural organization of bacterial plaque
q q q q q q q q q q
biofilm.
q
C Acidic foodstuff lowers pH and may demineralize teeth but does not directly
q q q q q q q q q q q
cause decay.
q q
D Caries is caused by biofilm; also known as bacterial plaque.
q q q q q q q q q
E Salivary glycoproteins form the acquired enamel pellicle to which bacteria
q q q q q q q q q
adhere.
q
DIF: Knowledge REF: p. 1 OBJ: 2 q q q q q q
TOP: CDA, GC, V, A,1b. Patient Education and Oral Health Management
q q q q q q q q q q
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.1 Properties and Manipulation of
q q q q q q q q q q q
Materials
q
2. Caries is most likely to occur on which of the following tooth surfaces?
q q q q q q q q q q q q
a. Buccal
b. Lingual
c. Occlusal
d. Interproximal
e. C and D are both correct.
q q q q q
ANS: E q
Feedback
A Buccal surfaces are also susceptible to caries; however, there is less surface area
q q q q q q q q q q q q
left unchecked.
q q
B Lingual surfaces are also susceptible to caries; however, there is less surface
q q q q q q q q q q q
area left unchecked.
q q q
C Caries is most likely to occur in pits and fissures on the occlusal surface and on
q q q q q q q q q q q q q q q
interproximal tooth surfaces where plaque accumulates unchecked.
q q q q q q q
D Caries is most likely to occur in pits and fissures on the occlusal surface and on
q q q q q q q q q q q q q q q
interproximal tooth surfaces where plaque accumulates unchecked.
q q q q q q q
, E Caries is most likely to occur in pits and fissures on the occlusal surface and on
q q q q q q q q q q q q q q q
interproximal tooth surfaces where plaque accumulates unchecked.
q q q q q q q
DIF: Knowledge REF: p. 1 OBJ: 2 q q q q q q
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials,
q q q q q q q q q q q q q q q
including but not limited to a. amalgam, c. composites
q q q q q q q q q
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
q q q q q q q q
3. Which of the following is an intracoronal restoration?
q q q q q q q
a. Ceramic–alloy crown on tooth number 21 q q q q q
b. Ceramic veneer on tooth number 8 q q q q q
c. Ceramic onlay on tooth number 30 q q q q q
d. Ceramic inlay on tooth number 14 q q q q q
ANS: D q
Feedback
A The alternate choices are all extracoronal restorations used to repair the external.
q q q q q q q q q q q
B The alternate choices are all extracoronal restorations used to repair the external.
q q q q q q q q q q q
C The alternate choices are all extracoronal restorations used to repair the external.
q q q q q q q q q q q
D A ceramic inlay on tooth number 14 is an example of an intracoronal restoration,
q q q q q q q q q q q q q
meaning that the restoration is being used to repair damage restricted to the
q q q q q q q q q q q q q
internal parts of a tooth. Materials such as amalgam and composite resin are
q q q q q q q q q q q q q
used in addition to ceramic or cast metal.
q q q q q q q q
DIF: Knowledge REF: p. 4 OBJ: 3 q q q q q q
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials,
q q q q q q q q q q q q q q q
including but not limited to a. amalgam, c. composites
q q q q q q q q q
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
q q q q q q q q
4. What is the process called where decay is removed from the tooth in order for a restoration to
q q q q q q q q q q q q q q q q q
q be placed?
q
a. Cavity preparation q
b. Convenience form q
c. Margination
d. Extension
ANS: A q
Feedback
A The process is referred to as cavity preparation. Cavity preparation is used to
q q q q q q q q q q q q
remove diseased or damaged tissue and provide a space accessible for
q q q q q q q q q q q
restoration and one that can stably retain the restoration.
q q q q q q q q q
B Convenience form is a term describing the nature of the cavity preparation.
q q q q q q q q q q q
C Extension is a term describing the nature of the cavity preparation.
q q q q q q q q q q
D Margination is the procedure for finishing the margins of a restoration.
q q q q q q q q q q
DIF: Knowledge REF: q q p. q q 4 OBJ: q q 2
, TOP: CDA, GC, III.B.1. Describe how to prepare, mix, deliver, and store restorative materials
q q q q q q q q q q q q q
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
q q q q q q q q q
5. Which of the following is an example of an intracoronal (direct) restoration?
q q q q q q q q q q q
a. Laboratory-cured composite q
b. Dental amalgam q
c. Ceramic veneer q
d. Cast crown q
ANS: B q
Feedback
A Laboratory-cured composite is a restoration that is constructed away from the q q q q q q q q q q
patient in the dental laboratory.
q q q q q
B Dental amalgam is an example of a direct restoration. All of the other
q q q q q q q q q q q q
restorations are prepared away from the tooth and then cemented or bonded to
q q q q q q q q q q q q q
the tooth using a procedure that is independent of the manufacturer of the
q q q q q q q q q q q q q
restoration.
q
C Ceramic veneer is a restoration that is constructed away from the patient in the
q q q q q q q q q q q q q
dental laboratory.
q q
D Cast crown is a restoration that is constructed away from the patient in the
q q q q q q q q q q q q q
dental laboratory.
q q
DIF: Knowledge REF: p. 4 OBJ: 3 q q q q q q
TOP: CDA, GC, III.B.1. Describe how to prepare, mix, deliver, and store restorative materials
q q q q q q q q q q q q q
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
q q q q q q q q q
6. Which of the following is an example of an extracoronal restoration? Choose all that apply.
q q q q q q q q q q q q q q
a. Ceramic inlay q
b. Ceramic–alloy crown q
c. Porcelain jacket crown q q
d. A, B, and C
q q q
e. A and C
q q
ANS: D q
Feedback
A All three restorations involve lab procedures and are examples of indirect
q q q q q q q q q q
restorations.
q
B All three restorations involve lab procedures and are examples of indirect
q q q q q q q q q q
restorations.
q
C All three restorations involve lab procedures and are examples of indirect
q q q q q q q q q q
restorations.
q
D All three restorations involve lab procedures and are examples of indirect
q q q q q q q q q q
restorations.
q
E All three restorations involve lab procedures and are examples of indirect
q q q q q q q q q q
restorations.
q
DIF: Knowledge REF: q q p. q q 5 OBJ: q q 3
