If you take a periapical radiograph of the upper right molars and you see a ghost image of the
anterior teeth in the X-ray, what happened?
A. Patient's chin was tipped too low
B. Patient's chin was tipped too high
C. Film was double exposed
D. Film was placed backwards in the mouth correct answers C. Film was double exposed
Digital film is:
A. Faster than D speed film
B. Same as D or F speed film
C. Faster than F speed film
D. Slightly slower than F speed film correct answers C. Faster than F speed film
What can a panoramic radiograph best detect? correct answers 3rd molars or cysts/tumors
Which of the following parts of the tooth is the first to form?
A. Enamel
B. Dentin
C. Cementum
D. Pulp correct answers A. Enamel
Mesenchyme gives rise to all of the following except one. Which of the following is the
exception?
A. Enamel
B. Dentin
,C. Pulp
D. Cementum correct answers A. Enamel
(Mesenchyme gives rise to the dentin, pulp, and cementum but NOT the enamel)
What is the reason for ankylosis?
A. Delayed eruption of the permanent teeth
B. Delayed shedding of the primary teeth
C. Delayed eruption of the primary teeth
D. Both A & B are correct answers correct answers D. Both A & B are correct answers
What papillae is most numerous on the tongue?
A. Curcumvallate
B. Fungiform
C. Foliate
D. Filiform correct answers D. Filiform
Hairy tongue is caused by the elongation of what papillae?
A. Circumvallate
B. Fungiform
C. Foliate
D. Filiform correct answers D. Filiform
What factors do not cause flaring of the teeth?
A. Gingivitis
B. Tongue thrush
C. Thumb sucking
,D. Occlusal trauma correct answers A. Gingivitis
If a patient has a tongue piercing which of the following CAN happen due to the piercing?
A. Chipped tooth
B. Trigeminal neuralgia
C. Infective endocarditis
D. All of the above correct answers D. All of the above
When the gingival margin is at the CEJ, no calculations are needed because the probing depth
and the clinical attachment level are the same.
A. True
B. False correct answers A. True
Tooth #24 has a 3 mm probing depth on the direct facial and has 4 mm of recession. What is the
CAL? correct answers 7 mm
What is the purpose of sodium sulfite in local anesthetics?
A. Vasoconstrictor
B. Reducing agent
C. Anesthetic base
D. Preservative correct answers D. Preservative
(A sulfite compound is used to prevent oxidation of the vasoconstrictor)
Which of the following is NOT a side effect of the recreational use of nitrous oxide?
A. unsteady gait
B. Loss of feeling in extremities
C. Hearing loss
, D. Loss of motor function correct answers A. Unsteady gait
Which group of anti hypertensive drugs is known for causing gingival hyperplasia?
A. Beta blockers
B. ACE Inhibitors
C. Calcium channel blockers
D. Diuretics correct answers C. Calcium channel blockers
All of the following drugs may cause an increased risk of bleeding EXCEPT:
A. Aspirin
B. Warfarin
C. Ibuprofen
D. Dilantin correct answers D. Dilantin
What is a common side effect of Prozac?
A. Xerostomia
B. Prolonged bleeding
C. Gingival overgrowth
D. Delayed wound healing correct answers A. Xerostomia
What is the most likely side effect of Prednisone?
A. Prolonged bleeding
B. Gingival overgrowth
C. Impaired wound healing
D. Sloughing if the gingival tissues correct answers C. Impaired wound healing
What is an immunosuppressant drug that causes gingival enlargement?