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Overview :
Quigley and Helm proposed a system for scoring dental plaque.
This was modified by Turesky et al to more explicitly describe mild to moderate
plaque deposits.
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Plaque Scoring
System for Quigley and Hein |
Score |
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no plaque |
0 |
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flecks of stain at the gingival margin |
1 |
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definite line of plaque at the gingival margin |
2 |
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gingival third of surface |
3 |
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two thirds of surface |
4 |
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greater than two thirds of surface |
5 |
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Modified Plaque
Scoring System of Turesky et al |
Score |
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no plaque |
0 |
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separate flecks of plaque at the cervical margin of the
tooth |
1 |
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a thin continuous band of plaque (up to 1 mm) at the
cervical margin of the tooth |
2 |
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a band of plaque wider than 1 mm covering less than one
third of the crown of the tooth |
3 |
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plaque covering at least one-third but less than two
thirds of the crown of the tooth |
4 |
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plaque covering two-thirds or more of the crown of the
tooth |
5 |
Scoring by the Turesky modification:
(1) all
teeth assessed except third molars (maximum number 28)
(2) a
staining solution is used to show plaque deposits (Quigley and Turesky used
basic fuchsin, Gordon used erythrosine)
(3) both
the facial and lingual surfaces examined (maximum number 56)
(4) a score
is assigned to each facial and lingual nonrestored surface
total score =
= SUM(scores for all facial and lingual surfaces)
index =
= (total score) / (number of surfaces examined)
Interpretation:
• A score of 0 or 1 is considered low.
• A score of 2 or more is considered high.
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