Test Your Knowledge - Free MCQ PRACTICE
by Saksham Chaudhry : Paschim Vihar, New Delhi 110063 T: 1142316457, 9810570740
A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.
For each of the following multiple choice questions, choose the most appropriate answer :

1. Among the reasons that molar teeth are more difficult to treat It Endo than anterior teeth:
A. Molar have more complex canal configuration.
B. Molar tend to have greater canal curvature.
C. A and B
D. None of these

2. The irrigation solution is good because:
A. Lubricate the canals.
B. Flushes the debris and minimizing the No. of micro organism.
C. None of these.
D. All of these

3. The preferred material used in Apexification is:
A. Zinc Phosphate cement.
B. Zinc Polycarboxylate cement.
C. Calcium hydroxide
D. Dycal

4. A patient present in severe pain. The periapical area over the involved tooth is inflamed and swollen. The tooth is mobile and depressible in its socket with a diffused radiolucency. The diagnosis is:
A. Acute apical periodontitis.
B. Chronic apical periodontitis.
C. Acute exacerbation of chronic apical periodontitis.
D. Abscess

5. Which of the following is the longest in the dental arch:
A. Maxiliary central incisor.
B. Maxiliary second premolar.
C. Mandibular canine.
D. Maxiliary canine

6. Asymptomatic tooth has a necrotic pulp, a broken lamina dura, and circumscribed radiolucency of long duration. The periradicular diagnosis:
A. Acute apical periodontitis.
B. Chronic apical periodontitis
C. Acute exacerbation of chronic apical periodontitis.
D. Abscess

7. The pH of the calcium hydroxide is:
A. 7.2
B. 12
C. 19
D. 5.5

8. Teeth that are discolored as a result of internal resorption of the pulp may turn:
A. Yellow.
B. Dark brown.
C. Pink
D. Green

9. Amount of G.P should after post preparation:
A. 1 mm.
B. 4-5 mm
C. 10 mm.
D. None of these

10. Actual destruction of the micro organism in root canal attributed mainly to:
A. Proper antibiotic therapy.
B. Effective use of medicaments.
C. Natural defenses in healthy person.
D. Mechanical preparation and irrigation of the canal

11. Traumatically fractured crown of central incisor in an 8-years-old child with pulp exposure (more than 1 mm) half hour ago, medical history is non- contributory and the tooth is not displaced. What is your management:
A. Endodontics-pulpectomy and obturation.
B. Direct pulpcap with caoh and composite.
C. Caoh pulpotomy
D. Total extirpation of pulp and CaOH

12. Which of the following failure may be treated non-surgically:
A. Post filling that has removed
B. Severe apical perforation
C. Very narrow canal with a periapical lesion and the apex cannot be reached.
D. None of these

13. RCT contraindicated in:
A. Vertical fracture of root
B. Diabetic patient
C. Unrestored teeth.
D. Periodontally involved teeth

14. Dentin permeability
A. Decreases with the increase of cavity preparation.
B. Increase when sclerotic dentin develops under a carious lesion.
C. Increase with smear layer.
D. Bacterial toxins can pass through before the actual penetration of bacteria

15. The normal response of a vital pulp to the electric pulp testing is:
A. No response.
B. Higher than that of the control teeth.
C. Lower than that of the control teeth.
D. In a range similar to that of the control teeth

16. Lesion similar to Endo Lesion:
A. Hyperparathyroidism
B. Initial stage of cemental dysplasia
C. Ossifying Fibroma
D. Dentigerous cyst

17. Single rooted anterior teeth has endodontic treatment is best treated by:
A. Casted post and core
B. Performed post and composite.
C. Performed post and amalgam.
D. Composite post and core

18. Which one of the following is a disadvantage of autoclaving Endo instruments:
A. It can dull the sharp edges of instruments-cause corrosion- clean should done before
B. All forms of bacteria are not destroyed by it.
C. Compared to other technique it takes too long to sterilize.
D. None of these

19. Apexification is procedure that:
A. Finds the most apical stop of the Gutta-Percha in RCT.
B. Induce the formation of a mineral barrier in the apical region of incompletely root
C. Is new in the endodontic field.
D. Involves the surgical removal of the apical region of the root and placement of a retrograde filling material

20. It is recommended to avoid an intraligamental injection when the planned dental treatment is:
A. Pulp extirpation.
B. Pulpotomy
C. Full crown preparation.
D. A and B

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