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