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. Subgingivally scaling and root planning is done by:
A. Gracey Curette.
B. Hoe.
C. Chisel
D. All these
2. Which of the following statement is true for the reported relationship of periodontal disease and diabetes mellitus:
A. The reported incidence of periodontal disease in the diabetes is less than that for nondiabetic.
B. Pts with history of diabetes of less than 10 years have more periodontal disease destruction than those with history of longer than 10 years.
C. The prevalence of periodontal disease increase with the advancing age of the diabetic.
D. The prevalence of periodontal disease increase with the better metabolic coronal of the diabetic state
3. 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
4. Caries consist of:
A. Bacteria.
B. Fluid.
C. Epithelial cells
D. All of these
5. Biological width:
A. 1 mm.
B. 2 mm.
C. 3 mm.
D. 4 mm
6. 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
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. Gingival condition occur in young adult has good oral hygiene was weakened:
A. ANUG.
B. Desqumative gingivitis.
C. Periodontitis.
D. Gingivitis
9. 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
10. For treatment of pericoronitis:
A. Extraction of the tooth.
B. Analgesic + Sterility + Antibiotic.
C. Cleaning with concentrated phenol.
D. None
11. 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
12. 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
13. 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
14. 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
15. 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
16. 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
17. After scaling and root planning healing occur by:
A. Long junctional epithelium.
B. New attachment.
C. New bone and connective tissue formation.
D. New attached periodontal ligament fibers
18. 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
19. 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
20. 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
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