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Dental General 932d71aa

Calculus is detrimental to the gingival tissues because it is

A
A mechanical irritant
B
Covered with bacterial plaque
C
Composed of calcium and phosphorous
D
Locked into surface irregularities
High-Yield Explanation
calculus is calcified dental plaque. It is always covered by a layer of uncalcified plaque, which is detrimental to the gingival tissues.

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