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AGD Fellowship Exam Practice
Questions And Correct Answers 2026
An abscess of the permanent mandibular central incisor may result in which space
infection?
A. Submental
B. Masseteric
C. Temporal
D. Pterygomandibular - correct-answer-Correct Answer: (A) Submental
____________ seem to decrease periradicular inflammation caused by extrusion
of root canal filling materials.
A. Antibiotics
B. Cold packs
C. Analgesics
D. Dexamethasone - correct-answer-D. Dexamethasone
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Which biodental material is best for the repair of a furcation perforation?
A. Amalgam
B. Zinc oxide-eugenol cements
C. Mineral trioxide aggregate
D. Glass ionomer cements - correct-answer-C. Mineral trioxide aggregate
A patient presents for emergency treatment of pain associated with the
permanent mandibular first molar. There is a history of pain when drinking cold
liquids. Mesial and distal caries appear radiographically to extend through the
dentino-enamel junction. Heat and cold stimuli both promote prolonged painful
responses for at least a minute following removal of the stimulus. The diagnosis is
consistent with:
A. reversible pulpitis.
B. cracked tooth syndrome.
C. irreversible pulpitis.
D. physiologically normal pulp. - correct-answer-(C) irreversible pulpitis.
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Considering the possible complications of removing a separated instrument with
the ultrasonic technique, it is best to:
A. not attempt a removal; obturate with a heated gutta percha and vertical
condensation.
B. block or obturate the non-involved canals first.
C. fill the other canals with calcium hydroxide.
D. enlarge the orifice of the affected canal to a diameter three times that of the
broken instrument. - correct-answer-(B) block or obturate the non-involved
canals first.
Making an endodontic diagnosis can be difficult because there are several pain
disorders that can refer pain to the teeth. Which of the following groups of non-
odontogenic disorders is most likely to cause tooth pain?
A. Neurovascular or headache pain
B. Neuropathic pain
C. Psychogenic pain
D. Myofascial pain - correct-answer-D. Myofascial pain
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Which of the following aids is most helpful in diagnosing irreversible pulpitis?
A. A good medical history
B. Electric vitality tests
C. Thermal stimulation
D. Examining for mobility - correct-answer-C. Thermal stimulation
The most definitive diagnostic test to differentiate between a periapical abscess
of pulpal origin and an abscess of periodontal origin is:
A. loss of tooth vitality.
B. pain upon percussion.
C. radiographic examination.
D. periodontal probing. - correct-answer-(A) loss of tooth vitality.
What could be used to test the function of an ultrasonic unit?
A. Red dye #6
AGD Fellowship Exam Practice
Questions And Correct Answers 2026
An abscess of the permanent mandibular central incisor may result in which space
infection?
A. Submental
B. Masseteric
C. Temporal
D. Pterygomandibular - correct-answer-Correct Answer: (A) Submental
____________ seem to decrease periradicular inflammation caused by extrusion
of root canal filling materials.
A. Antibiotics
B. Cold packs
C. Analgesics
D. Dexamethasone - correct-answer-D. Dexamethasone
,2|Page
Which biodental material is best for the repair of a furcation perforation?
A. Amalgam
B. Zinc oxide-eugenol cements
C. Mineral trioxide aggregate
D. Glass ionomer cements - correct-answer-C. Mineral trioxide aggregate
A patient presents for emergency treatment of pain associated with the
permanent mandibular first molar. There is a history of pain when drinking cold
liquids. Mesial and distal caries appear radiographically to extend through the
dentino-enamel junction. Heat and cold stimuli both promote prolonged painful
responses for at least a minute following removal of the stimulus. The diagnosis is
consistent with:
A. reversible pulpitis.
B. cracked tooth syndrome.
C. irreversible pulpitis.
D. physiologically normal pulp. - correct-answer-(C) irreversible pulpitis.
,3|Page
Considering the possible complications of removing a separated instrument with
the ultrasonic technique, it is best to:
A. not attempt a removal; obturate with a heated gutta percha and vertical
condensation.
B. block or obturate the non-involved canals first.
C. fill the other canals with calcium hydroxide.
D. enlarge the orifice of the affected canal to a diameter three times that of the
broken instrument. - correct-answer-(B) block or obturate the non-involved
canals first.
Making an endodontic diagnosis can be difficult because there are several pain
disorders that can refer pain to the teeth. Which of the following groups of non-
odontogenic disorders is most likely to cause tooth pain?
A. Neurovascular or headache pain
B. Neuropathic pain
C. Psychogenic pain
D. Myofascial pain - correct-answer-D. Myofascial pain
, 4|Page
Which of the following aids is most helpful in diagnosing irreversible pulpitis?
A. A good medical history
B. Electric vitality tests
C. Thermal stimulation
D. Examining for mobility - correct-answer-C. Thermal stimulation
The most definitive diagnostic test to differentiate between a periapical abscess
of pulpal origin and an abscess of periodontal origin is:
A. loss of tooth vitality.
B. pain upon percussion.
C. radiographic examination.
D. periodontal probing. - correct-answer-(A) loss of tooth vitality.
What could be used to test the function of an ultrasonic unit?
A. Red dye #6
