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. 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
2. 17.Dental plaque composed mainly of:
A. Bacteria.
B. Inorganic materials.
C. Food
D. None of these
3. Dental plaque is formed after :
A. 6 hours.
B. 12 hours.
C. 24 hours.
D. 48 hours
4. The best method for brushing :
A. Vertical.
B. Horizontal.
C. Bass sulcular method.
D. All of the above
5. Unmounted sharpening instruments are better than mounted because:
A. Has finer grains.
B. Don't alter the bevel of the instrument.
C. Easier to sterilize.
D. Less particles of the instruments are removed.
6. An 18 years old Patient present complaining of pain, bad breath and bleeding gingival. This began over the weakened while studying for the final exam. The patient may have which of the following conditions:
A. Acute necrotizing ulcerative gingivitis
B. Rapidly progressive periodontitis
C. Desquamative gingivitis.
D. Acute periodontal cyst
7. 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
8. Biological width:
A. 1 mm.
B. 2 mm.
C. 3 mm.
D. 4 mm
9. Floss used to:
A. Remove Interproximal plaque.
B. Remove overhangs.
C. Stimulate gingival
D. None of these
10. Bass brushing has the advantage of the bristles enters in the cervical area , and it is recommended for all patients:
A. Both statements are true.
B. Both statements are false.
C. First is true ,second is wrong.
D. First is wrong , second is true
11. Difference between Gracey and universal curette:
A. Section of gracey is hemicircular and in universal triangular.
B. Gracey has one cutting edge while universal has two.
C. Gracey Used for cutting in specific area while universal is in any area.
D. All of these
12. 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
13. The water reins devices for periodontal therapy has a main goal which is: Remove plaque.
A. Prevent plaque attachment.
B. Dilute bacterial toxin.
C. Remove dental pocket
D. All of these
14. 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
15. 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
16. The best method for tooth brush is Bass method because:
A. It enter to interproximal area
B. Can be used by patient with gingival recession and it rotainary advice to all types of patients.
C. The both sentences are correct.
D. The first sentence is correct and the second is wrong
17. Periodontal pocket differ most significantly from gingival pocket with respect to:
A. Depth.
B. Tendency to bleed on gentle probing.
C. The location of the bone of the pocket.
D. All of the above
18. Electro surgery rate:
A. 1.5 – 7.5 million cycle per seconds.
B. 7.5 – 10 million cycle per seconds.
C. 10 – 25 million cycle per seconds.
D. 30 million cycle per seconds
19. For treatment of pericoronitis:
A. Extraction of the tooth.
B. Analgesic + Sterility + Antibiotic.
C. Cleaning with concentrated phenol.
D. None
20. 34.Sharpening the curette and sickle, the cutting edge should be at angle:
A. 50-60.
B. 70-80.
C. 80-90.
D. 60-70
Dr K Chaudhry 5 Alpha Inmternational City, Fatehabad 125050 M: 9810570740, 9810571993facebook.com/doctorkc