,Chapter 01: Introduction to Restorative Dental Materials Powe
x1 x1 x1 x1 x1 x1 x1
rs: Dental Materials, 11th Edition
x1 x1 x1 x1
MULTIPLE CHOICE x1
1. What causes caries?
x1 x1
a. Food debris x1
b. Materia alba x1
c. Acidic foodstuff x1
d. Bacterial plaque x1
e. Salivary glycoproteins x1
ANS: x 1 D
Feedback
A Food debris does not have the structural organization of bacterial plaque biofi
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
lm.
B Materia alba does not have the structural organization of bacterial plaque biof
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
ilm.
C Acidic foodstuff lowers pH and may demineralize teeth but does not directly
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
cause decay. x1
D Caries is caused by biofilm; also known as bacterial plaque.
x1 x1 x1 x1 x1 x1 x1 x1 x1
E Salivary glycoproteins form the acquired enamel pellicle to which bacteria ad
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
here.
DIF: Knowledge REF: p. 1 OBJ: 2 x1x1 x 1 x 1 x 1 x 1
TOP: CDA, GC, V, A,1b. Patient Education and Oral Health Management
x 1 x1 x1 x1 x1 x1 x1 x1 x1 x1
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.1 Properties and Manipulation of M
x 1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
aterials
2. Caries is most likely to occur on which of the following tooth surfaces?
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
a. Buccal
b. Lingual
c. Occlusal
d. Interproximal
e. C and D are both correct.
x1 x1 x1 x1 x1
ANS: x 1 E
Feedback
A Buccal surfaces are also susceptible to caries; however, there is less surface area
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
x1left unchecked. x1
B Lingual surfaces are also susceptible to caries; however, there is less surface a
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
rea left unchecked.
x1 x1
C Caries is most likely to occur in pits and fissures on the occlusal surface and on
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x
1interproximal tooth surfaces where plaque accumulates unchecked.
x1 x1 x1 x1 x1 x1
D Caries is most likely to occur in pits and fissures on the occlusal surface and on
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x
1interproximal tooth surfaces where plaque accumulates unchecked.
x1 x1 x1 x1 x1 x1
, E Caries is most likely to occur in pits and fissures on the occlusal surface and on
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x
interproximal tooth surfaces where plaque accumulates unchecked.
1 x1 x1 x1 x1 x1 x1
DIF: Knowledge REF: p. 1 OBJ: 2 x1x1 x 1 x 1 x 1 x 1
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials, in
x 1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
cluding but not limited to a. amalgam, c. composites
x1 x1 x1 x1 x1 x1 x1 x1
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
x 1 x1 x1 x1 x1 x1 x1 x1
3. Which of the following is an intracoronal restoration?
x1 x1 x1 x1 x1 x1 x1
a. Ceramic–alloy crown on tooth number 21 x1 x1 x1 x1 x1
b. Ceramic veneer on tooth number 8 x1 x1 x1 x1 x1
c. Ceramic onlay on tooth number 30 x1 x1 x1 x1 x1
d. Ceramic inlay on tooth number 14 x1 x1 x1 x1 x1
ANS: x 1 D
Feedback
A The alternate choices are all extracoronal restorations used to repair the external
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
.
B The alternate choices are all extracoronal restorations used to repair the external
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
.
C The alternate choices are all extracoronal restorations used to repair the external
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
.
D A ceramic inlay on tooth number 14 is an example of an intracoronal restoratio
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
n, meaning that the restoration is being used to repair damage restricted to the
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
x1internal parts of a tooth. Materials such as amalgam and composite resin are
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
used in addition to ceramic or cast metal.
x1 x1 x1 x1 x1 x1 x1
DIF: Knowledge REF: p. 4 OBJ: 3 x1x1 x 1 x 1 x 1 x 1
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials, in
x 1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
cluding but not limited to a. amalgam, c. composites
x1 x1 x1 x1 x1 x1 x1 x1
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
x 1 x1 x1 x1 x1 x1 x1 x1
4. What is the process called where decay is removed from the tooth in order for a restoration
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
to be placed?
x1 x1 x1
a. Cavity preparation x1
b. Convenience form x1
c. Margination
d. Extension
ANS: x 1 A
Feedback
A The process is referred to as cavity preparation. Cavity preparation is used to
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
remove diseased or damaged tissue and provide a space accessible for restor
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
ation and one that can stably retain the restoration.
x1 x1 x1 x1 x1 x1 x1 x1
B Convenience form is a term describing the nature of the cavity preparation.
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
C Extension is a term describing the nature of the cavity preparation.
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
D Margination is the procedure for finishing the margins of a restoration.
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
DIF: Knowledge REF: x1x1 p. x 1 x 1 4 OBJ: x 1 x 1 2
, TOP: CDA, GC, III.B.1. Describe how to prepare, mix, deliver, and store restorative materials
x 1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
x 1 x1 x1 x1 x1 x1 x1 x1
5. Which of the following is an example of an intracoronal (direct) restoration?
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
a. Laboratory-cured composite x1
b. Dental amalgam x1
c. Ceramic veneer x1
d. Cast crown x1
ANS: x 1 B
Feedback
A Laboratory-
cured composite is a restoration that is constructed away from the patient in the
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x
1dental laboratory. x1
B Dental amalgam is an example of a direct restoration. All of the other restor
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
ations are prepared away from the tooth and then cemented or bonded to the t
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
ooth using a procedure that is independent of the manufacturer of the restora
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
tion.
C Ceramic veneer is a restoration that is constructed away from the patient in the
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
dental laboratory. x1
D Cast crown is a restoration that is constructed away from the patient in the de
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
ntal laboratory. x1
DIF: Knowledge REF: p. 4 OBJ: 3 x1x1 x 1 x 1 x 1 x 1
TOP: CDA, GC, III.B.1. Describe how to prepare, mix, deliver, and store restorative materials
x 1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
x 1 x1 x1 x1 x1 x1 x1 x1
6. Which of the following is an example of an extracoronal restoration? Choose all that apply.
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
a. Ceramic inlay x1
b. Ceramic–alloy crown x1
c. Porcelain jacket crown x1 x1
d. A, B, and C
x1 x1 x1
e. A and C
x1 x1
ANS: x 1 D
Feedback
A All three restorations
x1 x1 involve lab procedures and are examples of indirect restor
x1 x1 x1 x1 x1 x1 x1 x1 x1
ations.
B All three restorations
x1 x1 involve lab procedures and are examples of indirect restor
x1 x1 x1 x1 x1 x1 x1 x1 x1
ations.
C All three restorations
x1 x1 involve lab procedures and are examples of indirect restor
x1 x1 x1 x1 x1 x1 x1 x1 x1
ations.
D All three restorations
x1 x1 involve lab procedures and are examples of indirect restor
x1 x1 x1 x1 x1 x1 x1 x1 x1
ations.
E All three restorations
x1 x1 involve lab procedures and are examples of indirect restor
x1 x1 x1 x1 x1 x1 x1 x1 x1
ations.
DIF: Knowledge REF: x1x1 p. x 1 x 1 5 OBJ: x 1 x 1 3
x1 x1 x1 x1 x1 x1 x1
rs: Dental Materials, 11th Edition
x1 x1 x1 x1
MULTIPLE CHOICE x1
1. What causes caries?
x1 x1
a. Food debris x1
b. Materia alba x1
c. Acidic foodstuff x1
d. Bacterial plaque x1
e. Salivary glycoproteins x1
ANS: x 1 D
Feedback
A Food debris does not have the structural organization of bacterial plaque biofi
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
lm.
B Materia alba does not have the structural organization of bacterial plaque biof
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
ilm.
C Acidic foodstuff lowers pH and may demineralize teeth but does not directly
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
cause decay. x1
D Caries is caused by biofilm; also known as bacterial plaque.
x1 x1 x1 x1 x1 x1 x1 x1 x1
E Salivary glycoproteins form the acquired enamel pellicle to which bacteria ad
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
here.
DIF: Knowledge REF: p. 1 OBJ: 2 x1x1 x 1 x 1 x 1 x 1
TOP: CDA, GC, V, A,1b. Patient Education and Oral Health Management
x 1 x1 x1 x1 x1 x1 x1 x1 x1 x1
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.1 Properties and Manipulation of M
x 1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
aterials
2. Caries is most likely to occur on which of the following tooth surfaces?
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
a. Buccal
b. Lingual
c. Occlusal
d. Interproximal
e. C and D are both correct.
x1 x1 x1 x1 x1
ANS: x 1 E
Feedback
A Buccal surfaces are also susceptible to caries; however, there is less surface area
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
x1left unchecked. x1
B Lingual surfaces are also susceptible to caries; however, there is less surface a
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
rea left unchecked.
x1 x1
C Caries is most likely to occur in pits and fissures on the occlusal surface and on
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x
1interproximal tooth surfaces where plaque accumulates unchecked.
x1 x1 x1 x1 x1 x1
D Caries is most likely to occur in pits and fissures on the occlusal surface and on
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x
1interproximal tooth surfaces where plaque accumulates unchecked.
x1 x1 x1 x1 x1 x1
, E Caries is most likely to occur in pits and fissures on the occlusal surface and on
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x
interproximal tooth surfaces where plaque accumulates unchecked.
1 x1 x1 x1 x1 x1 x1
DIF: Knowledge REF: p. 1 OBJ: 2 x1x1 x 1 x 1 x 1 x 1
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials, in
x 1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
cluding but not limited to a. amalgam, c. composites
x1 x1 x1 x1 x1 x1 x1 x1
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
x 1 x1 x1 x1 x1 x1 x1 x1
3. Which of the following is an intracoronal restoration?
x1 x1 x1 x1 x1 x1 x1
a. Ceramic–alloy crown on tooth number 21 x1 x1 x1 x1 x1
b. Ceramic veneer on tooth number 8 x1 x1 x1 x1 x1
c. Ceramic onlay on tooth number 30 x1 x1 x1 x1 x1
d. Ceramic inlay on tooth number 14 x1 x1 x1 x1 x1
ANS: x 1 D
Feedback
A The alternate choices are all extracoronal restorations used to repair the external
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
.
B The alternate choices are all extracoronal restorations used to repair the external
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
.
C The alternate choices are all extracoronal restorations used to repair the external
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
.
D A ceramic inlay on tooth number 14 is an example of an intracoronal restoratio
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
n, meaning that the restoration is being used to repair damage restricted to the
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
x1internal parts of a tooth. Materials such as amalgam and composite resin are
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
used in addition to ceramic or cast metal.
x1 x1 x1 x1 x1 x1 x1
DIF: Knowledge REF: p. 4 OBJ: 3 x1x1 x 1 x 1 x 1 x 1
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative materials, in
x 1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
cluding but not limited to a. amalgam, c. composites
x1 x1 x1 x1 x1 x1 x1 x1
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
x 1 x1 x1 x1 x1 x1 x1 x1
4. What is the process called where decay is removed from the tooth in order for a restoration
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
to be placed?
x1 x1 x1
a. Cavity preparation x1
b. Convenience form x1
c. Margination
d. Extension
ANS: x 1 A
Feedback
A The process is referred to as cavity preparation. Cavity preparation is used to
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
remove diseased or damaged tissue and provide a space accessible for restor
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
ation and one that can stably retain the restoration.
x1 x1 x1 x1 x1 x1 x1 x1
B Convenience form is a term describing the nature of the cavity preparation.
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
C Extension is a term describing the nature of the cavity preparation.
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
D Margination is the procedure for finishing the margins of a restoration.
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
DIF: Knowledge REF: x1x1 p. x 1 x 1 4 OBJ: x 1 x 1 2
, TOP: CDA, GC, III.B.1. Describe how to prepare, mix, deliver, and store restorative materials
x 1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
x 1 x1 x1 x1 x1 x1 x1 x1
5. Which of the following is an example of an intracoronal (direct) restoration?
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
a. Laboratory-cured composite x1
b. Dental amalgam x1
c. Ceramic veneer x1
d. Cast crown x1
ANS: x 1 B
Feedback
A Laboratory-
cured composite is a restoration that is constructed away from the patient in the
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x
1dental laboratory. x1
B Dental amalgam is an example of a direct restoration. All of the other restor
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
ations are prepared away from the tooth and then cemented or bonded to the t
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
ooth using a procedure that is independent of the manufacturer of the restora
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
tion.
C Ceramic veneer is a restoration that is constructed away from the patient in the
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
dental laboratory. x1
D Cast crown is a restoration that is constructed away from the patient in the de
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
ntal laboratory. x1
DIF: Knowledge REF: p. 4 OBJ: 3 x1x1 x 1 x 1 x 1 x 1
TOP: CDA, GC, III.B.1. Describe how to prepare, mix, deliver, and store restorative materials
x 1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
x 1 x1 x1 x1 x1 x1 x1 x1
6. Which of the following is an example of an extracoronal restoration? Choose all that apply.
x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1 x1
a. Ceramic inlay x1
b. Ceramic–alloy crown x1
c. Porcelain jacket crown x1 x1
d. A, B, and C
x1 x1 x1
e. A and C
x1 x1
ANS: x 1 D
Feedback
A All three restorations
x1 x1 involve lab procedures and are examples of indirect restor
x1 x1 x1 x1 x1 x1 x1 x1 x1
ations.
B All three restorations
x1 x1 involve lab procedures and are examples of indirect restor
x1 x1 x1 x1 x1 x1 x1 x1 x1
ations.
C All three restorations
x1 x1 involve lab procedures and are examples of indirect restor
x1 x1 x1 x1 x1 x1 x1 x1 x1
ations.
D All three restorations
x1 x1 involve lab procedures and are examples of indirect restor
x1 x1 x1 x1 x1 x1 x1 x1 x1
ations.
E All three restorations
x1 x1 involve lab procedures and are examples of indirect restor
x1 x1 x1 x1 x1 x1 x1 x1 x1
ations.
DIF: Knowledge REF: x1x1 p. x 1 x 1 5 OBJ: x 1 x 1 3
