A hard mineralized deposit found on teeth is called what?

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Multiple Choice

A hard mineralized deposit found on teeth is called what?

Explanation:
Hard mineralized deposits on teeth are calculus (tartar). It forms when the soft dental plaque that adheres to teeth becomes mineralized as calcium and phosphate from saliva precipitate into the plaque. This turns the pliable biofilm into a hard, rock-like layer that can occur above the gumline (supra-gingival) or below it (sub-gingival). Calculus provides a rough surface that promotes further plaque accumulation and can contribute to periodontal disease if not removed by professional cleaning. Plaque is the soft biofilm before mineralization; stains are discolorations that may color surfaces but are not mineralized deposits; caries is tooth decay due to acid demineralization, not a mineralized deposit.

Hard mineralized deposits on teeth are calculus (tartar). It forms when the soft dental plaque that adheres to teeth becomes mineralized as calcium and phosphate from saliva precipitate into the plaque. This turns the pliable biofilm into a hard, rock-like layer that can occur above the gumline (supra-gingival) or below it (sub-gingival). Calculus provides a rough surface that promotes further plaque accumulation and can contribute to periodontal disease if not removed by professional cleaning. Plaque is the soft biofilm before mineralization; stains are discolorations that may color surfaces but are not mineralized deposits; caries is tooth decay due to acid demineralization, not a mineralized deposit.

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