Test Your Knowledge - Free MCQ PRACTICE
DENTISTRY
by Dr K Chaudhry
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DRIVINGTEST
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. The most common malignant tumors of the minor salivary glands are:
A. Adenoid cystic carcinoma and Adenocarcinoma.
B. Adenoid cystic carcinoma and acinic cell carcinoma.
C. Mucoepidermoid carcinoma and adenoid cystic carcinoma
D. Mucoepidermoid carcinoma and polymorphous Low grade Adenocarcinoma

2. Chlorhexidine is used as mouth wash in the concentration of:
A. 0.1-0.2 %.
B. 1-2 %.
C. 5-10 %.
D. 20 %

3. For lower premolars, the purpose of inclining the handpiece lingually is to,
A. Avoid buccal pulp horn
B. Avoid lingual pulp horn
C. Remove unsupported enamelConserve lingual dentine
D. None of these

4. Post retention depends on:
A. Post length.
B. Post diameter.
C. Post texture.
D. All of these

5. Pedo Pt use rubber dam for :
A. Improve visibility and access.
B. Lowers risk of swallowing.
C. Sterile field.
D. A and B

6. In case of traumatic intrusion of young permanent incisor, the treatment of choice is:
A. Surgical repositioning of intruded tooth and splinting.
B. To wait for re eruption of the intruded tooth during months
C. Slow orthodontic extrusion using light force.
D. Only antibiotic prescription and wait for eruption

7. To provide maximum strength of amalgam restoration the cavo-surface angles should not:
A. Approach 75 Image with outer surface.
B. Approach 90 Image with outer surface.
C. Be supported by sound dentine.
D. Be located in area free of occlusal stress

8. Proxy brush with which type of furcation:
A. Furcation Grade 1-1.
B. Furcation Grade 2-2.
C. Furcation Grade 3-3.
D. Furcation Grade 4-4

9. What is the benefit of rinsing the mouth with water:
A. Plaque removal.
B. Calculus removal.
C. Washing the food debris
D. All of these

10. Which of the following would be clinically un acceptable as a primary of isolating a tooth for sealant placement:
A. Cotton roll.
B. Rubber dam.
C. VAC-ejector moisture control system.
D. None of the above

11. The best method for brushing :
A. Vertical.
B. Horizontal.
C. Bass sulcular method.
D. All of the above

12. Polishing bur have:
A. Less than 6 blades.
B. 6-7 blades.
C. 10-12 blades.
D. More than 12 blades

13. Which intracanal medicament causes protein coagulation:
A. Formocresol
B. Naocl.
C. Wad
D. Hydrogen peroxide

14. Removal of Undermined Enamel in Class II cavity is done by :
A. Chisel
B. Angle former
C. Excavator
D. All of these

15. Hand instrument which we used to make internal angles retentive grooves and preparation of cavity walls in the cavity is:
A. Angle former
B. Chisel.
C. File.
D. Enamel hatched

16. 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

17. Diagnosis prior to RCT should always be based on:
A. Good medical and dental history.
B. Proper clinical examination.
C. A periapical radiographs.
D. All of these

18. Pulp stone can be the following EXCEPT:
A. Present freely in the pulp.
B. Cause discomfort & pain to the patient
C. In radiographs,Small spheroidal radiopaque.
D. False stone occurs due to dystrophic dentin

19. Main use of dental floss:
A. Remove calculus.
B. Remove over hang.
C. Remove bacterial plaque.
D. Remove food debris

20. Periodontal ligament fibers in the middle third of the root is:
A. Oblique.
B. Horizontal.
C. Transeptal
D. Any of these

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