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Greene–Vermillion index


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A simplified oral hygiene index with a debris (plaque) and calculus component, first described by J. Greene and J. R. Vermillion in 1964. Six tooth surfaces are scored, four posterior and two anterior. Debris (plaque) is scored on a scale of 0 to 3.Calculus deposits are scored for the same surfaces on a scale of 0 to 3.The index values are calculated from the recordings of the calculus and debris scores. The debris scores are added together and divided by the number of surfaces scored for each person. For an individual score to be calculated at least two of the six possible surfaces must have been examined. A score for a group of individuals is obtained by calculating the average of the individual scores. The average group or individual score is defined as the Simplified Debris Index (DI-S). The same process is used to obtain the calculus scores or the Simplified Calculus Index (CI-S). To obtain the Simplified Oral Hygiene Index, the average group or individual calculus and debris scores are added together.

Further Reading:

Greene, J. C., Vermillion, J. R. The simplified oral hygiene index. Journal of American Dental Association 1964;68:25–31.

http://www.whocollab.od.mah.se/expl/ohiintrod.html A description of a number of oral hygiene indices provided by the World Health Organization.

The Greene–Vermillion index – debris component

Scores

Criteria

0

No debris or stain present.

1

Soft debris covering not more than one third of the tooth surface, or presence of extrinsic stains without other debris regardless of surface area covered.

2

Soft debris covering more than one third but not more than two thirds of the exposed tooth surface.

3

Soft debris covering more than two thirds of the exposed tooth surface.

The Greene–Vermillion index – calculus component

Scores

Criteria

0

No calculus present.

1

Supra-gingival calculus covering not more than one third of the exposed tooth surface.

2

Supra-gingival calculus covering more than one third but not more than two thirds of the exposed tooth surface, or the presence of individual flecks of sub-gingival calculus around the cervical portion of the tooth or both.

3

Supra-gingival calculus covering more than two thirds of the exposed tooth surface, or a continuous heavy band of sub-gingival calculus around the cervical portion of the tooth, or both.

Subjects: Dentistry.


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