Released quizzes & Final + NBDE Part 2 Endo
Questions + Review Questions from study guide -
latest updated
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
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.
C: The patient is allergic to NaOCl.
D: The patient doesnt like the pungent aroma of sodium hypochlorite. - Answers-B
In addition to CaOH as an inter-appointment medicament, this anti-inflammatory,
corticosteroid paste may also be placed into the canals for multi-visit endodontic
treatment.
A: Pulp Dent
B: Ultra-Cal
C: Ledermix
D: Bio dentine - Answers-C
In current protocols for regenerative endodontic procedures, a triple antibiotic paste
(TAP) mixture is utilized. The most common combination currently used in the
endodontic literature is:
A: Amoxicillin-doxycycline-metronidazole
B: Minocycline-cephalexin-ciprofloxacin
C: Clindamycin-metronidazole-amoxicillin
, D: Minocycline-metronidazole-ciprofloxacin - Answers-D
Bacterial invasion occurs more rapidly in non-vital teeth than vital teeth.
A. True
B. False - Answers-A
Characteristics of internal resorption may have all the characteristics except. What is
the EXCEPTION?
A: Usually only discovered during a routine dental examination
B: Most cases are symptomatic with excessive thermal sensitivity
C: Histologic examination reveals dentinoclastic activity
D: May be associated with dental trauma - Answers-B
Endodontic therapy that has failed is most likely to have this bacterial species isolated if
a culture is obtained.
A: Porphymonas endodontalis
B: Enterococcus faecalis
C: Fusobacterium nucleatum
D: Candida albicans - Answers-B
Dr. Fischer indicated during lecture that planktonic bacteria are best describes as:
A: Referred to as, Biofilms.
B: Effective at penetrating the dentinal tubules
C: Form dense accumulations on the dentinal wall
D: Are suspended in a "fluid-like"phase - Answers-D
CaOH is often used as an interim medicament during multi-step endodontic procedures.
Its benefits may include:
A: Acidic Ph is bactericidal
B: Low toxicity
C: Inactivates bacterial lipopolysaccharides (LPS)
D: Substantively
E: a. b. and c
F: b, c, and d
G: a, c, and d
H: All of the above - Answers-F
The tooth with the highest incidence of endodontic failure is:
A: Maxillary 2nd pre-molar
B: Mandibular central incisor
C: Maxillary 1st molar
D: Mandibular 1st molar - Answers-C
One of the most common reasons for endodontic failure is:
A: Uncooperative patient
Questions + Review Questions from study guide -
latest updated
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
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.
C: The patient is allergic to NaOCl.
D: The patient doesnt like the pungent aroma of sodium hypochlorite. - Answers-B
In addition to CaOH as an inter-appointment medicament, this anti-inflammatory,
corticosteroid paste may also be placed into the canals for multi-visit endodontic
treatment.
A: Pulp Dent
B: Ultra-Cal
C: Ledermix
D: Bio dentine - Answers-C
In current protocols for regenerative endodontic procedures, a triple antibiotic paste
(TAP) mixture is utilized. The most common combination currently used in the
endodontic literature is:
A: Amoxicillin-doxycycline-metronidazole
B: Minocycline-cephalexin-ciprofloxacin
C: Clindamycin-metronidazole-amoxicillin
, D: Minocycline-metronidazole-ciprofloxacin - Answers-D
Bacterial invasion occurs more rapidly in non-vital teeth than vital teeth.
A. True
B. False - Answers-A
Characteristics of internal resorption may have all the characteristics except. What is
the EXCEPTION?
A: Usually only discovered during a routine dental examination
B: Most cases are symptomatic with excessive thermal sensitivity
C: Histologic examination reveals dentinoclastic activity
D: May be associated with dental trauma - Answers-B
Endodontic therapy that has failed is most likely to have this bacterial species isolated if
a culture is obtained.
A: Porphymonas endodontalis
B: Enterococcus faecalis
C: Fusobacterium nucleatum
D: Candida albicans - Answers-B
Dr. Fischer indicated during lecture that planktonic bacteria are best describes as:
A: Referred to as, Biofilms.
B: Effective at penetrating the dentinal tubules
C: Form dense accumulations on the dentinal wall
D: Are suspended in a "fluid-like"phase - Answers-D
CaOH is often used as an interim medicament during multi-step endodontic procedures.
Its benefits may include:
A: Acidic Ph is bactericidal
B: Low toxicity
C: Inactivates bacterial lipopolysaccharides (LPS)
D: Substantively
E: a. b. and c
F: b, c, and d
G: a, c, and d
H: All of the above - Answers-F
The tooth with the highest incidence of endodontic failure is:
A: Maxillary 2nd pre-molar
B: Mandibular central incisor
C: Maxillary 1st molar
D: Mandibular 1st molar - Answers-C
One of the most common reasons for endodontic failure is:
A: Uncooperative patient
