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