Prevalence vs incidence

# For a given population, the number of disease cases are divided by the total number of people. Which of the following rates were calculated?
A. Odds ratio
B. Prevalence
C. Incidence
D. Specificity

The prevalence of a condition describes the proportion of a population who have acquired a condition.

Prevalence proportion is computed by comparing the total number of people affected with a condition against the overall number of people being studied. The result is usually written as a percentage, fraction, or by noting the number of known cases per 10,000 people or 100,000 people.

Incidence describes the number of new cases that occurred in a given population within a certain period.

February 2016 Conservative Dentistry and Endodontics past Questions

[LI 672]                                          FEBRUARY 2016                             Sub.
Code: 4164
FOURTH YEAR B.D.S. DEGREE EXAMINATION
PAPER IV – CONSERVATIVE DENTISTRY AND ENDODONTICS
Q.P. Code : 544164
Time : Three Hours                                                                         Maximum
: 70 Marks
Answer All Questions
I. Elaborate on:                                                                                   
             (2 x 10 = 20)
1. Classify dental amalgam. Write in detail about techniques for amalgam restoration fabrication.
2. Ellis classification of traumatic injuries. Write in detail about storage medium and management
of avulsed tooth.

II. Write Notes on:                                                                               
           (10 x 5 = 50)
1. Irrigants in endodontics.
2. Rubber dam.
3. Dental operating microscope.
4. High copper silver amalgam.
5. Glass ionomer cement.
6. Prefabricated post system.
7. Endodontic microbiology.
8. Factors influencing healing after endodontic treatment.
9. Gingival marginal trimmer.
10. Gutta percha.
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August 2015 - Conservative Dentistry and Endodontics past Questions

[LH 672]                                          AUGUST 2015                                 Sub.
Code: 4164
FOURTH YEAR B.D.S. DEGREE EXAMINATION
PAPER IV – CONSERVATIVE DENTISTRY AND ENDODONTICS
Q.P. Code: 544164
Time : Three Hours                                                                         Maximum
: 70 marks
Answer All Questions
I. Elaborate on:                                                                                 
             (2 x 10 = 20)
1. Discuss in detail about classification II mesio occlusal in lay cavity preparation for lower
right first molar. Add a note on cast metal restorations giving their indications advantages and
disadvantages.
2. Write about classification of endodontic instruments. Enumerate methods of working length
determination with a brief note on apex locations.
II. Write notes on :                                                                             
           (10 x 5 = 50)
1. Tarnish and corrosion.

2. Castable ceramics.

3. Mat Gold.

4. Direct Vaniers.

5. Types and uses of Wedges.

6. Chlorhexidine uses.

7. Replacement Resorption.
8. Mishaps in cleaning and shaping.

9. Access cavity for upper central incisor.

10. Thermoplastized Gutta percha.
*******

February 2015 Conservative Dentistry and Endodontics Past Questions

[LG 672]                                  FEBRUARY 2015                     Sub. Code: 4164

FOURTH YEAR B.D.S. DEGREE EXAM
PAPER IV - CONSERVATIVE DENTISTRY AND ENDODONTICS
Q.P Code: 544164
Time: 180 Minutes                                                                Maximum: 70 Marks

I. Elaborate on:                                                                                 
(2 x 10 = 20)

1.  Define dentin hypersensitivity. Discuss the cause, mechanism and management of dentin
hypersensitivity.

2.  Define working length in endodontics. Enumerate the methods to determine working length.
Discuss in detail Apex locators.

II. Write Notes on:                                                                             (10
x 5 = 50)

1.  Design of a dental bur.
2.  Smear layer.
3.  Matricing for direct tooth colored restorations.
4.  Home bleaching techniques.
5.  Trituration.
6.  Pulpitis.
7.  Gutta percha chemistry, composition and uses.
8.  Pulpotomy.
9.  Root canal irrigants.
10. Avulsed tooth and its management.
*******