TEST BANK
FOR
DENTAL MATERIALS: FOUNDATIONS AND APPLICATIONS
11TH EDITION BY POWERS JOHN & WATAHA JOHN
ALL 15 CHAPTERS
LATEST UPDATE 2026
Page v| v1
, Chapter 01: Introduction to Restorative Dental Materials
MULTIPLE CHOICE
1. What causes caries?
a. Food debris
b. Materia alba
c. Acidic foodstuff
d. Bacterial plaque
e. Salivary
glycoproteins
CORRECT ANSWER
:D
Feedback
A. Food debris does not have the structural organization of bacterial plaque biofilm.
B. Materia alba does not have the structural organization of bacterial plaque biofilm.
C. Acidic foodstuff lowers pH and may demineralize teeth but does not directly cause
decay.
D. Caries is caused by biofilm; also known as bacterial plaque.
E. Salivary glycoproteins form the acquired enamel pellicle to which bacteria adhere.
DIF: Knowledge REF: p. 1 OBJ: 2
TOP: CDA, GC, V, A,1b. Patient Education and Oral Health Management
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.1 Properties and
Manipulation of Materials
2. Caries is most likely to occur on which of the following tooth surfaces?
a. Buccal
b. Lingual
Page v| v2
,c. Occlusal
d. Interproximal
e. C and D are both correct.
Page v| v3
, CORRECT ANSWER : E
Feedback
A. Buccal surfaces are also susceptible to caries; however, there is less surface area
left unchecked.
B. Lingual surfaces are also susceptible to caries; however, there is less surface area
left unchecked.
C. Caries is most likely to occur in pits and fissures on the occlusal surface and
on interproximal tooth surfaces where plaque accumulates unchecked.
D. Caries is most likely to occur in pits and fissures on the occlusal surface and
on interproximal tooth surfaces where plaque accumulates unchecked.
E. Caries is most likely to occur in pits and fissures on the occlusal surface and
on interproximal tooth surfaces where plaque accumulates unchecked.
DIF: Knowledge REF: p. 1 OBJ: 2
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative
materials, including but not limited to a. amalgam, c. composites
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
3. Which of the following is an intracoronal restoration?
a. Ceramic–alloy crown on tooth number 21
b. Ceramic veneer on tooth number 8
c. Ceramic onlay on tooth number 30
d. Ceramic inlay on tooth
number 14 CORRECT
ANSWER : D
Feedback
A. The alternate choices are all extracoronal restorations used to repair the external.
B. The alternate choices are all extracoronal restorations used to repair the external.
C. The alternate choices are all extracoronal restorations used to repair the external.
Page v| v4
FOR
DENTAL MATERIALS: FOUNDATIONS AND APPLICATIONS
11TH EDITION BY POWERS JOHN & WATAHA JOHN
ALL 15 CHAPTERS
LATEST UPDATE 2026
Page v| v1
, Chapter 01: Introduction to Restorative Dental Materials
MULTIPLE CHOICE
1. What causes caries?
a. Food debris
b. Materia alba
c. Acidic foodstuff
d. Bacterial plaque
e. Salivary
glycoproteins
CORRECT ANSWER
:D
Feedback
A. Food debris does not have the structural organization of bacterial plaque biofilm.
B. Materia alba does not have the structural organization of bacterial plaque biofilm.
C. Acidic foodstuff lowers pH and may demineralize teeth but does not directly cause
decay.
D. Caries is caused by biofilm; also known as bacterial plaque.
E. Salivary glycoproteins form the acquired enamel pellicle to which bacteria adhere.
DIF: Knowledge REF: p. 1 OBJ: 2
TOP: CDA, GC, V, A,1b. Patient Education and Oral Health Management
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.1 Properties and
Manipulation of Materials
2. Caries is most likely to occur on which of the following tooth surfaces?
a. Buccal
b. Lingual
Page v| v2
,c. Occlusal
d. Interproximal
e. C and D are both correct.
Page v| v3
, CORRECT ANSWER : E
Feedback
A. Buccal surfaces are also susceptible to caries; however, there is less surface area
left unchecked.
B. Lingual surfaces are also susceptible to caries; however, there is less surface area
left unchecked.
C. Caries is most likely to occur in pits and fissures on the occlusal surface and
on interproximal tooth surfaces where plaque accumulates unchecked.
D. Caries is most likely to occur in pits and fissures on the occlusal surface and
on interproximal tooth surfaces where plaque accumulates unchecked.
E. Caries is most likely to occur in pits and fissures on the occlusal surface and
on interproximal tooth surfaces where plaque accumulates unchecked.
DIF: Knowledge REF: p. 1 OBJ: 2
TOP: CDA, GC, III, B, 1, Describe how to prepare, mix, deliver, and store restorative
materials, including but not limited to a. amalgam, c. composites
MSC: NBDHE, 6.0 Providing Supportive Treatment Services, 6.5 General
3. Which of the following is an intracoronal restoration?
a. Ceramic–alloy crown on tooth number 21
b. Ceramic veneer on tooth number 8
c. Ceramic onlay on tooth number 30
d. Ceramic inlay on tooth
number 14 CORRECT
ANSWER : D
Feedback
A. The alternate choices are all extracoronal restorations used to repair the external.
B. The alternate choices are all extracoronal restorations used to repair the external.
C. The alternate choices are all extracoronal restorations used to repair the external.
Page v| v4
