Final NBDE Part 2 Endo Review 300+
Questions from study guide and Answers
Dr. Morettons lecture included the following characteristics
regarding condensing osteitis except. What is the EXCEPTION?
A: Condensing osteitis may be due to chronic inflammation.
B: Approximately 50% of cases with condensing osteitis heal after
endodontic therapy
C: Condensing osteitis never responds to electric pulp tests (EPT).
- correct answers✅✅C
Although almost an ideal irrigate, sodium hypochlorite has some
disadvantages including:
A: Has a role in sodium hypochlorite accidents.
B: Can be tissue toxic.
C: Has a bad taste for patient if improper isolation is present.
D: Does not remove the smear layer.
E: a, b, and c
F: b, c, and d
G: a, c, and d
H: All of the above - correct answers✅✅H
For the proper and optimal irrigation, the canal(s) should be filed
up to at least a _____ K-file allowing irrigating solution to reach the
apical 3rd of the canal(s).
A: 40-45 K-file
B: 15-20 K-file
C: 35-40 K-file
,Final NBDE Part 2 Endo Review 300+
Questions from study guide and Answers
D: 10-15 K-file - correct answers✅✅C
All of the following may be responsible for inter-appointment pain
except. What is the EXCEPTION?
A: High occlusion (temporary).
B: Over-instrumentation.
C: Poor quality pre-operative X-rays.
D: Wrong tooth treated.
E: No exceptions, all may cause inter-appointment pain. - correct
answers✅✅C
In lecture, Dr. Moretton mentioned that the primary objective in
the treatment of pulpitis is:
A: Extirpate the pulp and then place CaOH paste as an inter-
appointment medicament.
B: Complete instrumentation at least two files sizes beyond the
first file that binds.
C: Remove tissue in the pulp chamber and leave the radicular
tissue intact.
D: Once accessed, instrument with a 10 K-file to obtain patency. -
correct answers✅✅B
Standardization with stainless steel K-file is well-established.
Please match the K-file size to the appropriate color
code. Green K-file
,Final NBDE Part 2 Endo Review 300+
Questions from study guide and Answers
A: 35
B: 10
C: 25
D: 40
E: 20 - correct answers✅✅A
Standardization with stainless steel K-file is well-established.
Please match the K-file size to the appropriate color
code. Yellow K-file.
A: 35
B: 10
C: 25
D: 40
E: 20 - correct answers✅✅E
Standardization with stainless steel K-file is well-established.
Please match the K-file size to the appropriate color
code. Black K-file.
A: 35
B: 10
C: 25
D: 40
E: 20 - correct answers✅✅D
, Final NBDE Part 2 Endo Review 300+
Questions from study guide and Answers
Standardization with stainless steel K-file is well-established.
Please match the K-file size to the appropriate color
code. Purple K-file.
A: 35
B: 10
C: 25
D: 40
E: 20 - correct answers✅✅B
Standardization with stainless steel K-file is well-established.
Please match the K-file size to the appropriate color
code. Red K-file.
A: 35
B: 10
C: 25
D: 40
E: 20 - correct answers✅✅C
During endodontic instrumentation, an optimal lubricant would
be:
A: a. Smear Clear (17% EDTA solution)
B: b. Glycerin
C: c. Sodium Hypochlorite
Questions from study guide and Answers
Dr. Morettons lecture included the following characteristics
regarding condensing osteitis except. What is the EXCEPTION?
A: Condensing osteitis may be due to chronic inflammation.
B: Approximately 50% of cases with condensing osteitis heal after
endodontic therapy
C: Condensing osteitis never responds to electric pulp tests (EPT).
- correct answers✅✅C
Although almost an ideal irrigate, sodium hypochlorite has some
disadvantages including:
A: Has a role in sodium hypochlorite accidents.
B: Can be tissue toxic.
C: Has a bad taste for patient if improper isolation is present.
D: Does not remove the smear layer.
E: a, b, and c
F: b, c, and d
G: a, c, and d
H: All of the above - correct answers✅✅H
For the proper and optimal irrigation, the canal(s) should be filed
up to at least a _____ K-file allowing irrigating solution to reach the
apical 3rd of the canal(s).
A: 40-45 K-file
B: 15-20 K-file
C: 35-40 K-file
,Final NBDE Part 2 Endo Review 300+
Questions from study guide and Answers
D: 10-15 K-file - correct answers✅✅C
All of the following may be responsible for inter-appointment pain
except. What is the EXCEPTION?
A: High occlusion (temporary).
B: Over-instrumentation.
C: Poor quality pre-operative X-rays.
D: Wrong tooth treated.
E: No exceptions, all may cause inter-appointment pain. - correct
answers✅✅C
In lecture, Dr. Moretton mentioned that the primary objective in
the treatment of pulpitis is:
A: Extirpate the pulp and then place CaOH paste as an inter-
appointment medicament.
B: Complete instrumentation at least two files sizes beyond the
first file that binds.
C: Remove tissue in the pulp chamber and leave the radicular
tissue intact.
D: Once accessed, instrument with a 10 K-file to obtain patency. -
correct answers✅✅B
Standardization with stainless steel K-file is well-established.
Please match the K-file size to the appropriate color
code. Green K-file
,Final NBDE Part 2 Endo Review 300+
Questions from study guide and Answers
A: 35
B: 10
C: 25
D: 40
E: 20 - correct answers✅✅A
Standardization with stainless steel K-file is well-established.
Please match the K-file size to the appropriate color
code. Yellow K-file.
A: 35
B: 10
C: 25
D: 40
E: 20 - correct answers✅✅E
Standardization with stainless steel K-file is well-established.
Please match the K-file size to the appropriate color
code. Black K-file.
A: 35
B: 10
C: 25
D: 40
E: 20 - correct answers✅✅D
, Final NBDE Part 2 Endo Review 300+
Questions from study guide and Answers
Standardization with stainless steel K-file is well-established.
Please match the K-file size to the appropriate color
code. Purple K-file.
A: 35
B: 10
C: 25
D: 40
E: 20 - correct answers✅✅B
Standardization with stainless steel K-file is well-established.
Please match the K-file size to the appropriate color
code. Red K-file.
A: 35
B: 10
C: 25
D: 40
E: 20 - correct answers✅✅C
During endodontic instrumentation, an optimal lubricant would
be:
A: a. Smear Clear (17% EDTA solution)
B: b. Glycerin
C: c. Sodium Hypochlorite
