NBDE Part II - 1993 Exam A 2025/2026
Exam Questions and Verified Answers |
Already Graded A+
A patient has the asymptomatic condition seen in the radiograph. The
MOST probable diagnosis is
A. Hypercementosis.
B. Complex odontomas.
C. Sickle cell anemia.
D. Sclerosing osteitis.
E. Periapical cemental dysplasia. - 🧠ANSWER ✔✔E. Periapical cemental
dysplasia.
,During which trimester of pregnancy does calcification of teeth begin?
A. First
B. Second
C. Third - 🧠ANSWER ✔✔B. Second
Which of the following principles requires health professionals to inform
their patients about treatment and to protect their confidentiality?
A. Justice
B. Autonomy
C. Beneficence
D. Nonmaleficence - 🧠ANSWER ✔✔B. Autonomy
Each of the following can occur as a result of a successful root canal
treatment EXCEPT one. Which one is this EXCEPTION?
A. Apical seal of cementum
,B. Regeneration of alveolar bone
C. Regeneration of the periodontal ligament
D. Formation of reparative dentin - 🧠ANSWER ✔✔D. Formation of
reparative dentin
A dentist is preparing Tooth #30 for an occlusal amalgam restoration. Once
the ideal outline form and depth have been established, the dentist notes
that caries remains on the facial, pulpal, and lingual walls of the
preparation. The next step in treatment is to
A. Extend the outline form.
B. Remove the caries with a spoon excavator.
C. Remove the caries with a larger round bur. - 🧠ANSWER ✔✔A. Extend
the outline form.
A mandibular radiolucency can be seen in the radiograph. This
radiolucency could be diagnosed as each of the following EXCEPT one.
Which one is this EXCEPTION?
3
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, A. Odontogenic myxoma
B. Ameloblastoma
C. Traumatic bone cyst
D. Central cell granuloma
E. Odontogenic keratocyst - 🧠ANSWER ✔✔C. Traumatic bone cyst
A needle tract infection following an inferior alveolar block injection would
initially involve which space?
A. Pterygomandibular
B. Sublingual
C. Submandibular
D. Lateral pharyngeal - 🧠ANSWER ✔✔A. Pterygomandibular
Which of the following characteristics most readily distinguishes
amelogenesis imperfecta from dentinogenesis imperfecta?
A. Radiographic appearance
Exam Questions and Verified Answers |
Already Graded A+
A patient has the asymptomatic condition seen in the radiograph. The
MOST probable diagnosis is
A. Hypercementosis.
B. Complex odontomas.
C. Sickle cell anemia.
D. Sclerosing osteitis.
E. Periapical cemental dysplasia. - 🧠ANSWER ✔✔E. Periapical cemental
dysplasia.
,During which trimester of pregnancy does calcification of teeth begin?
A. First
B. Second
C. Third - 🧠ANSWER ✔✔B. Second
Which of the following principles requires health professionals to inform
their patients about treatment and to protect their confidentiality?
A. Justice
B. Autonomy
C. Beneficence
D. Nonmaleficence - 🧠ANSWER ✔✔B. Autonomy
Each of the following can occur as a result of a successful root canal
treatment EXCEPT one. Which one is this EXCEPTION?
A. Apical seal of cementum
,B. Regeneration of alveolar bone
C. Regeneration of the periodontal ligament
D. Formation of reparative dentin - 🧠ANSWER ✔✔D. Formation of
reparative dentin
A dentist is preparing Tooth #30 for an occlusal amalgam restoration. Once
the ideal outline form and depth have been established, the dentist notes
that caries remains on the facial, pulpal, and lingual walls of the
preparation. The next step in treatment is to
A. Extend the outline form.
B. Remove the caries with a spoon excavator.
C. Remove the caries with a larger round bur. - 🧠ANSWER ✔✔A. Extend
the outline form.
A mandibular radiolucency can be seen in the radiograph. This
radiolucency could be diagnosed as each of the following EXCEPT one.
Which one is this EXCEPTION?
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, A. Odontogenic myxoma
B. Ameloblastoma
C. Traumatic bone cyst
D. Central cell granuloma
E. Odontogenic keratocyst - 🧠ANSWER ✔✔C. Traumatic bone cyst
A needle tract infection following an inferior alveolar block injection would
initially involve which space?
A. Pterygomandibular
B. Sublingual
C. Submandibular
D. Lateral pharyngeal - 🧠ANSWER ✔✔A. Pterygomandibular
Which of the following characteristics most readily distinguishes
amelogenesis imperfecta from dentinogenesis imperfecta?
A. Radiographic appearance
