Indices & Screening M14

Question 1

What is Screening?

Answer 1

The process of examining a large proportion of the population to determine the outcome.

Question 2

What is Incidence?

Answer 2

The occurrence - number of people showing signs of e.g. caries

Question 3

What are Surveys?

Answer 3

To take a general look at something / scanning the condition of something.

Question 4

What is Prevalence?

Answer 4

Where it is, how many people, how often etc.

Question 5

What is Epidemiology?

Answer 5

The Study of the indigence and distribution in a large population.

Question 6

Given an example of an epidemiology study.

Answer 6

Yearly, national study of 5 year old dental examination to determine dfmt / DFMT

Question 7

What percentage of school children are reported to have caries?

Answer 7

60-90%

Question 8

When completing a type of plaque indices, what tooth number system is used?

Answer 8

FDI - World Dental Federation Notation.

Question 9

Name the three types of plaque indices?

Answer 9

BPE, Teeth Cleanliness index & Silness and Loe Plaque Index

Question 10

What is BPE and how is it measured?

Answer 10

Basic Periodontal Exam - 6 quadrants, period probe, extends 3.5mm-5.5mm, placed in gingival crevice.

Question 11

What teeth are used in the teeth cleanliness index?

Answer 11

16. 11. 26. • Buccal surfaces
17. 46 - Lingual surfaces
18. • Labial surface

Question 12

What is 10/10 score for teeth cleanliness index?

Answer 12

Tooth Surface Clean

Question 13

What is 8/10 score for teeth cleanliness index?

Answer 13

Small deposits at gingival margin

Question 14

What is 6/10 score for teeth cleanliness index?

Answer 14

Plaque 1mm wide at margin

Question 15

What is 4/10 score for teeth cleanliness index?

Answer 15

up to 1/3 tooth covered with plaque

Question 16

What is 2/10 score for teeth cleanliness index?

Answer 16

up to 2/3 tooth covered in plaque

Question 17

What is 0/10 score for teeth cleanliness index?

Answer 17

more than 2/3 covered in plaque

Question 18

What is the Silness and Loe Plaque Index?

Answer 18

The measurement of oral hygiene based on the soft debris and mineralised deposits . Each surface on the tooth is given a score 0-3.

Question 19

How is Silness and Loe score worked out?

Answer 19

The scores for each surface of the tooth are added and then divided by 4.

Question 20

In silliness and Loe, what does a score of 0 mean?

Answer 20

No plaque

Question 21

In silliness and Loe, what does a score of 1 mean?

Answer 21

A film of plaque. Maybe seen after disclosing tablets.

Question 22

In silliness and Loe, what does a score of 2 mean?

Answer 22

Moderate accumulation of soft deposits. Seen by the naked eye.

Question 23

In silliness and Loe, what does a score of 3 mean?

Answer 23

Abundance of soft matter, within the pocket and/or tooth margin.

Question 24

How often does the BASCD conduct an epidemiology survey? What do they do?

Answer 24

Annually. Studies 5, 12 & 14 year olds, results are given by decayed, missing and filled teeth.

Question 25

What is the Significant Caries Index?

Answer 25

Individuals sorted into DMFT values. 1/3 with the highest scores are selected. The mean DMFT is calculated from this subgroup. This is the value of SCI.