Dental Calculus and its Occurrence,Formation and Prevention

  Dental Calculus is a dental plaque composed primarily of calcium phosphate mineral salts deposited between the remnants of formerly viable microorganisms. It is of two types- supra- and subgingival calculus. Levels of calculus and location of formation are population specific. These are affected by oral hygiene habits, access to professional care, diet, age, ethnic origin, time

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