Released quizzes & Final + NBDE Part 2
Endo Questions + Review Questions
from study guide
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). 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 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
D: 10-15 K-file 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. 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. 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
A: 35
B: 10
C: 25
D: 40
E: 20 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 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 ANSWERS 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 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 ANSWERS 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) ANSWERS 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. ANSWERS 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 ANSWERS 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. ANSWERS C
33.) All of the following roots can contain more than one canal except:
A. Mesial root, mandibular first molar
B. Distal root, mandibular first molar
C. Distobuccal root, maxillary first molar
D. Mesiobuccal root, maxillary first molar
E. Mandibular first bicuspid ANSWERS C
34.) All of the following statements about gutta percha are TRUE except:
A. Cones come in "standardized" and "conventional"
B. Standardized have same size and taper as files
C. Conventional cones have a tip size and a body size
D. Zinc oxide accounts for about 25% of the gutta percha cone ANSWERS D
42.) Traumatized teeth that are sensitive to percussion and have slight mobility are
called:
A. Concussion
B. Subluxation
, C. Lateral luxation
D. Extrusive luxation ANSWERS B
43.) "Pulp polyp":
A. Is a form of reversible pulpitis
B. Is not covered with epithelium
C. Is called hyperplastic pulpitis
D. Is considered a hard tissue change ANSWERS C
44.) Appropriate treatment for a avulsed #8 in a adult with less than then 1 hour of
extraoral time
A. Replant tooth, splint, remove pulp in 7-10 days, obturate, remove splint,
B. Replant tooth, splint, remove pulp in 7-10 days, place calcium hydroxide, remove
splint, obturate in 1 month
C. Replant tooth, splint, remove pulp in 4 weeks, place calcium hydroxide, remove
splint, obturate in 1 month
D. Replant tooth, splint, remove splint in 7-10 days, appoint to evaluate pulp vitality in 1
month
E. Tooth should not be replanted. ANSWERS B
45.) Appropriate treatment for a avulsed #8 in a child with less then 1 hour of extraoral
time
A. Replant tooth, splint, remove pulp in 7-10 days, obturate, remove splint,
B. Replant tooth, splint, remove pulp in 7-10 days, place calcium hydroxide, remove
splint, obturate in 1 month
C. Replant tooth, splint, remove pulp in 4 weeks, place calcium hydroxide, remove
splint, obturate in 1 month
D. Replant tooth, splint, remove splint in 7-10 days, appoint to evaluate pulp vitality in 1
month
E. Tooth should not be replanted. ANSWERS D
46.) Appropriate treatment for a avulsed #8 in a child with more than then 1 hour of
extraoral time
A. Replant tooth, splint, remove pulp in 7-10 days, obturate, remove splint,
B. Replant tooth, splint, remove pulp in 7-10 days, place calcium hydroxide, remove
splint, obturate in 1 month
C. Replant tooth, splint, remove pulp in 4 weeks, place calcium hydroxide, remove
splint, obturate in 1 month
D. Replant tooth, splint, remove splint in 7-10 days, appoint to evaluate pulp vitality in 1
month
E. Tooth should not be replanted(AAE). ANSWERS E
Chlorohexidine (Peridex) may be considered as an irrigating solution for canals when:
A: Your staff didnt stock up on bleach at Walmart.
B: The tooth being treated has a rather large or open apex and there is concern about a
sodium hypochlorite accident.
Endo Questions + Review Questions
from study guide
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). 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 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
D: 10-15 K-file 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. 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. 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
A: 35
B: 10
C: 25
D: 40
E: 20 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 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 ANSWERS 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 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 ANSWERS 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) ANSWERS 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. ANSWERS 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 ANSWERS 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. ANSWERS C
33.) All of the following roots can contain more than one canal except:
A. Mesial root, mandibular first molar
B. Distal root, mandibular first molar
C. Distobuccal root, maxillary first molar
D. Mesiobuccal root, maxillary first molar
E. Mandibular first bicuspid ANSWERS C
34.) All of the following statements about gutta percha are TRUE except:
A. Cones come in "standardized" and "conventional"
B. Standardized have same size and taper as files
C. Conventional cones have a tip size and a body size
D. Zinc oxide accounts for about 25% of the gutta percha cone ANSWERS D
42.) Traumatized teeth that are sensitive to percussion and have slight mobility are
called:
A. Concussion
B. Subluxation
, C. Lateral luxation
D. Extrusive luxation ANSWERS B
43.) "Pulp polyp":
A. Is a form of reversible pulpitis
B. Is not covered with epithelium
C. Is called hyperplastic pulpitis
D. Is considered a hard tissue change ANSWERS C
44.) Appropriate treatment for a avulsed #8 in a adult with less than then 1 hour of
extraoral time
A. Replant tooth, splint, remove pulp in 7-10 days, obturate, remove splint,
B. Replant tooth, splint, remove pulp in 7-10 days, place calcium hydroxide, remove
splint, obturate in 1 month
C. Replant tooth, splint, remove pulp in 4 weeks, place calcium hydroxide, remove
splint, obturate in 1 month
D. Replant tooth, splint, remove splint in 7-10 days, appoint to evaluate pulp vitality in 1
month
E. Tooth should not be replanted. ANSWERS B
45.) Appropriate treatment for a avulsed #8 in a child with less then 1 hour of extraoral
time
A. Replant tooth, splint, remove pulp in 7-10 days, obturate, remove splint,
B. Replant tooth, splint, remove pulp in 7-10 days, place calcium hydroxide, remove
splint, obturate in 1 month
C. Replant tooth, splint, remove pulp in 4 weeks, place calcium hydroxide, remove
splint, obturate in 1 month
D. Replant tooth, splint, remove splint in 7-10 days, appoint to evaluate pulp vitality in 1
month
E. Tooth should not be replanted. ANSWERS D
46.) Appropriate treatment for a avulsed #8 in a child with more than then 1 hour of
extraoral time
A. Replant tooth, splint, remove pulp in 7-10 days, obturate, remove splint,
B. Replant tooth, splint, remove pulp in 7-10 days, place calcium hydroxide, remove
splint, obturate in 1 month
C. Replant tooth, splint, remove pulp in 4 weeks, place calcium hydroxide, remove
splint, obturate in 1 month
D. Replant tooth, splint, remove splint in 7-10 days, appoint to evaluate pulp vitality in 1
month
E. Tooth should not be replanted(AAE). ANSWERS E
Chlorohexidine (Peridex) may be considered as an irrigating solution for canals when:
A: Your staff didnt stock up on bleach at Walmart.
B: The tooth being treated has a rather large or open apex and there is concern about a
sodium hypochlorite accident.
