The difference between Calculus and Dental calculus
When used as nouns, calculus means calculation, whereas dental calculus means a hard crust of calcium salts and food particles on the teeth.
check bellow for the other definitions of Calculus and Dental calculus
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Calculus as a noun (dated, countable):
Calculation; computation.
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Calculus as a noun (countable, mathematics):
Any formal system in which symbolic expressions are manipulated according to fixed rules.
Examples:
"lambda calculus'"
"predicate calculus'"
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Calculus as a noun (uncountable, often, definite, '''the calculus'''):
Differential calculus and integral calculus considered as a single subject; analysis.
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Calculus as a noun (countable, medicine):
A stony concretion that forms in a bodily organ.
Examples:
"renal calculus'' ( = kidney stone)"
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Calculus as a noun (uncountable, dentistry):
Deposits of calcium phosphate salts on teeth.
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Calculus as a noun (countable):
A decision-making method, especially one appropriate for a specialised realm.
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Dental calculus as a noun:
A hard crust of calcium salts and food particles on the teeth.