Periodontal Indices

Question 1

Assessment of inflammation

Answer 1

Color
Texture
Edema
Plaque
Bleeding
Exudate

Question 2

Plaque Index

Answer 2

Amount of plaque at the gingival margin, examing following areas:
distofacial papilla, facial margin, mesiofacial papilla, and lingual gingival margin
Scores from 0-3
Use a probe to distinguish between 0 and 1
Visible plaque is scored a 2 or 3

Assesses thickness of plaque not how much it covers tooth
Subjective for thickness and requires trained person

Loe and stillness

Question 3

O’Leary Plaque Index

Answer 3

Percentage of tooth surfaces positive for plaque

Question 4

NIDR Calculus Index

Answer 4

0- calculus is absent
1- supragingival calculus but no subgingival calculus is present
2- supra and sub or only sub

Question 5

Gingival Index

Answer 5

Severity of Inflammation is assessed in the following areas:
distofacial papilla, facial margin, mesiofacial papilla, and lingual gingival margin.
Scores 0-3
Bleeding makes it at least a 2
Score for tooth subject and population
Useful for the calculation of prevalence and severity in population and individual. Often used in clinical trials.

Loe and stillness

Question 6

Periodontal Screening and Recording (PSR)

Answer 6

Purpose: rapid and effective way to screen for dissease
0-4
0- Colored area visible and no BOP and no Calc or defective margins
1- Colored area visible and BOP but no calculus or defective margins
3- colored area visible with either BOP or not but has calculus or defective margins
4- Colored area partially visible with other two ones optional
5- Colored area not visible with other two ones optional

Sextants

Question 7

Benefits and limitations of

PSR

Answer 7

Benefits
High sensitivity and fast and easy
Cost effective and easy recording
Limitations
Used to detect disease but dont use it to replace screening
If patient has been treated they need comprehensive exams
Use for adults

Question 8

Halo effect

Answer 8

Examiners impression of target distors her or her percepton of the target

Question 9

Central Tendency Error

Answer 9

The examiner rates extremes so end result is near the middle