Test Your Knowledge - Free MCQ PRACTICE
by Saksham Chaudhry : Paschim Vihar, New Delhi 110063 T: 1142316457, 9810570740
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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. Amputation means:
A. Surgical removal of the apical portion of the root. 
B. Removal of one or more roots. 
C. The root and the crown are cut lengthwise. 
D. None 

2. Dental plaque is formed after :
A. 6 hours. 
B. 12 hours. 
C. 24 hours. 
D. 48 hours 

3. Currently the only effective preventive measure for periodontal disease, apart from limited use of antiseptic solutions, is:
A. Regular and rough removal of dental plaque. 
B. Salt fluoridation. 
C. Dental health education 
D. None of these 

4. Attrition may be caused by
A. Friction due to pipe. 
B. Friction during sleep. 
C. Gastric acid. 
D. None 

5. Periodontal pocket differ most significantly from gingival pocket with respect to:
A. The location of the bone of the pocket. 
B. All of the above 
C. Depth. 
D. Tendency to bleed on gentle probing. 

6. Which of the following statements is true regarding dental calculus:
A. It is composed entirely of inorganic material. 
B. It is dens in nature and has a rough surface. 
C. It is mineralized dental plaque. 
D. B and C only 

7. Acute periodontal abscess:
A. Fistula present. 
B. Swelling enlargement in tooth site. 
C. Both A and B 
D. None of these 

8. Unmounted sharpening instruments are better than mounted because:
A. Don't alter the bevel of the instrument. 
B. Less particles of the instruments are removed. 
C. Has finer grains. 
D. Easier to sterilize. 

9. Patient comes to you with edematous gingiva, inflamed, loss of gingival contour and recession, what's the best tooth brushing technique?
A. Modified bass. 
B. Modified stillman. 
C. Charter. 
D. Scrub 

10. Periodontally involved root surface must be root planed to:
A. Remove the attached plaque and calculus. 
B. Remove the necrotic cementum. 
C. Change the root surface to become biocompatible 
D. A and B 

11. All of these are right ways to handle the instrument EXCEPT ?
A. Modified pen handle. 
B. Inverted pen. 
C. Pen handle. 
D. Palm and thumb 

12. Caries consist of:
A. Bacteria. 
B. Fluid. 
C. Epithelial cells 
D. All of these 

13. Overhanging restoration margins should be removed because:
A. It provides ideal location for plaque accumulation. 
B. It tears the gingival fibers leading to attachment loss. 
C. Its removal permits more effective plaque control. 
D. A and C 

14. Hemisection means:
A. Surgical removal of the apical portion of the root. 
B. Removal of one or more roots. 
C. The root and the crown are cut lengthwise. 
D. None 

15. 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 

16. Plaque consists of:
A. Bacteria. 
B. Inorganic material. 
C. Food 
D. All of these 

17. Calculus induce further periodontal lesion due to:
A. Directly stimulates inflammation. 
B. More plaque adhere to it. 
C. Irritate the gingiva. 
D. All of these 

18. Treatment of gingival trauma from faulty oral hygiene is mainly:
A. To advice the patient to give up faulty habits immediately 
B. Reassure the patient that it will disappear by itself. 
C. To buy a new brush 
D. All of these 

19. During examination 34 show gingival recession buccally, the least correct reason is:
A. Frenum attachment. 
B. Patient is right hand brushed. 
C. Occlusal force. 
D. Inadequate gingival 

20. After scaling and root planning healing occur by:
A. New attached periodontal ligament fibers 
B. New bone and connective tissue formation. 
C. Long junctional epithelium. 
D. New attachment. 

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