NBDE II 2025/2026 EXAM F | COMPLETE QUESTIONS
WITH CORRECT ANSWERS | RATED A+
A 6-year-old patient has a dark brown discoloration of his maxillary central
incisor. The discoloration started following trauma accompanied with a facial
sinus tract. What is the treatment-of- choice?
Extraction
Pulpectomy
Pulpotomy
Direct pulp treatment - CORRECT ANSWER -Extraction
Squamous cell carcinoma appears in a variety of locations. In which of the
following locations is its prognosis the LEAST favorable?
Lower lip
Floor of the mouth
Hard palate
Buccal mucosa - CORRECT ANSWER -Floor of the mouth
Although a dentist wishes to use the long-cone paralleling technique (40 cm
source-object distance), the x-ray machine is equipped with only a short
cone (20 cm PID). As a result, the dentist moves the machine away from the
patient's face so the source-object distance is 40 cm and adjusts the
exposure time appropriately. Compared to the degree of tissue covered by an
actual long cone, this "extended" short cone exposes what amount of tissue?
More
The same
Less - CORRECT ANSWER -More
NBDE II 2025/2026 EXAM F COMPLETE QUESTIONS WITH CORRECT ANSWERS RATED A+
,Fluoride therapy and occlusal sealants modify which of the following four
factors the most?
Host
Time
Substrate
Microflora - CORRECT ANSWER -Host
Which of the following drugs produces sufficient central nervous system
depression to cause a state of sleep from which one may be aroused?
A sedative
A hypnotic
An opiate
An anesthetic - CORRECT ANSWER -A hypnotic
Which of the following usually causes the slow progress in molar uprighting in
an adult patient?
Appliance friction
Excessive deep bite
Occlusal interferences
Poor patient cooperation
Lack of anchorage control - CORRECT ANSWER -Occlusal interferences
Porcelain failure in all-ceramic restorations can best be avoided if the
NBDE II 2025/2026 EXAM F COMPLETE QUESTIONS WITH CORRECT ANSWERS RATED A+
, occlusal forces are minimal. ceramic
material is not over 1/2 mm in
thickness. ceramic material is 1 1/2
mm in thickness.
angles of the preparation are rounded. - CORRECT ANSWER -angles of the
preparation are rounded.
Squamous cell carcinoma of the tongue MOST commonly metastasizes to
which of the following?
Lungs
Liver
Bones
Cervical nodes - CORRECT ANSWER -Cervical nodes
To reduce a patient's salivary flow, a dentist has prescribed atropine. As a
result of this medication, the patient might experience which of the following
side effects?
Sedation
Diarrhea
Bradycardia
Blurred vision
Stomach cramping - CORRECT ANSWER -Blurred vision
Which of the following is the OPTIMAL reduction for the lingual cusp on Tooth
#3 to receive an MODL onlay?
NBDE II 2025/2026 EXAM F COMPLETE QUESTIONS WITH CORRECT ANSWERS RATED A+
WITH CORRECT ANSWERS | RATED A+
A 6-year-old patient has a dark brown discoloration of his maxillary central
incisor. The discoloration started following trauma accompanied with a facial
sinus tract. What is the treatment-of- choice?
Extraction
Pulpectomy
Pulpotomy
Direct pulp treatment - CORRECT ANSWER -Extraction
Squamous cell carcinoma appears in a variety of locations. In which of the
following locations is its prognosis the LEAST favorable?
Lower lip
Floor of the mouth
Hard palate
Buccal mucosa - CORRECT ANSWER -Floor of the mouth
Although a dentist wishes to use the long-cone paralleling technique (40 cm
source-object distance), the x-ray machine is equipped with only a short
cone (20 cm PID). As a result, the dentist moves the machine away from the
patient's face so the source-object distance is 40 cm and adjusts the
exposure time appropriately. Compared to the degree of tissue covered by an
actual long cone, this "extended" short cone exposes what amount of tissue?
More
The same
Less - CORRECT ANSWER -More
NBDE II 2025/2026 EXAM F COMPLETE QUESTIONS WITH CORRECT ANSWERS RATED A+
,Fluoride therapy and occlusal sealants modify which of the following four
factors the most?
Host
Time
Substrate
Microflora - CORRECT ANSWER -Host
Which of the following drugs produces sufficient central nervous system
depression to cause a state of sleep from which one may be aroused?
A sedative
A hypnotic
An opiate
An anesthetic - CORRECT ANSWER -A hypnotic
Which of the following usually causes the slow progress in molar uprighting in
an adult patient?
Appliance friction
Excessive deep bite
Occlusal interferences
Poor patient cooperation
Lack of anchorage control - CORRECT ANSWER -Occlusal interferences
Porcelain failure in all-ceramic restorations can best be avoided if the
NBDE II 2025/2026 EXAM F COMPLETE QUESTIONS WITH CORRECT ANSWERS RATED A+
, occlusal forces are minimal. ceramic
material is not over 1/2 mm in
thickness. ceramic material is 1 1/2
mm in thickness.
angles of the preparation are rounded. - CORRECT ANSWER -angles of the
preparation are rounded.
Squamous cell carcinoma of the tongue MOST commonly metastasizes to
which of the following?
Lungs
Liver
Bones
Cervical nodes - CORRECT ANSWER -Cervical nodes
To reduce a patient's salivary flow, a dentist has prescribed atropine. As a
result of this medication, the patient might experience which of the following
side effects?
Sedation
Diarrhea
Bradycardia
Blurred vision
Stomach cramping - CORRECT ANSWER -Blurred vision
Which of the following is the OPTIMAL reduction for the lingual cusp on Tooth
#3 to receive an MODL onlay?
NBDE II 2025/2026 EXAM F COMPLETE QUESTIONS WITH CORRECT ANSWERS RATED A+
