Released quizzes & Final + NBDE Part 2 Endo UPDATED ACTUAL Exam Questions and CORRECT Answers

Released quizzes & Final + NBDE Part 2
Endo UPDATED ACTUAL Exam Questions
and CORRECT 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
ANSWER -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 ANSWER -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

D: 10-15 K-file - CORRECT ANSWER -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 ANSWER -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 ANSWER -
B


Standardization with stainless steel K-file is well-established. Please match the K-file size to the
appropriate color
code. Green K-file
A: 35
B: 10
C: 25
D: 40

E: 20 - CORRECT ANSWER -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 ANSWER -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 ANSWER -D


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 ANSWER -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 ANSWER -C


During endodontic instrumentation, an optimal lubricant would be:
A: a. Smear Clear (17% EDTA solution)
B: b. Glycerin
C: c. Sodium Hypochlorite

D: d. Chlorohexadine (CHX) - CORRECT ANSWER -B


During endodontic therapy you should endeavor to establish a working length:
A: a. 3.0 mm from the radiographic apex.
B: b. 2.0 mm from the radiographic apex.
C: c. 1.0 mm from the radiographic apex.

D: d. At the radiographic apex. - CORRECT ANSWER -C


The pulpal classification that corresponds to a patient history of spontaneous symptoms with
lingering pain upon stimulation of Endo-ice (cold) is:
A: Symptomatic apical periodontitis
B: Reversible pulpitis
C: Condensing osteitis

D: Irreversible pulpitis - CORRECT ANSWER -D


The purpose of the Gates Glidden is to:
A: a. Place the Gates Glidden to within 1.0 to 0.5 mm of the apex and establish a glide path.
B: b. Allows you to extirpate the pulp tissue facilitating easier instrumentation.
C: c. You can use to enlarge the coronal portion of the canals.
D: d. Used in final shaping of the access, primarily the axial walls. - CORRECT
ANSWER -C