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Overview :
The Calculus Surface Index is a measure of dental calculus
formation. It can be used to quantitate the accumulation of dental calculus in
short-term testing programs to evaluate the effectiveness of preventive
care.
Method:
(1) Each of
the 4 mandibular incisors is assessed on 4 surfaces (one labial, one lingual and
two proximal).
(2) Each
surface with calculus is scored 1 point.
calculus surface index =
= SUM(calculus points on the 16 surfaces surveyed)
Interpretation
• minimum score: 0
• maximum score: 16
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