
The activities of acid and alkaline pyrophosphatases were measured in human plaque of thirty subjects and saliva of twenty-two subjects. A study of correlation and analysis of variance were done between the pyrophosphatasic activity and the calculus index. A significant positive relationship has been established.
Adult, Analysis of Variance, Adolescent, Dental Plaque, Humans, Dental Calculus, Pyrophosphatases, Salivary Proteins and Peptides, Saliva
Adult, Analysis of Variance, Adolescent, Dental Plaque, Humans, Dental Calculus, Pyrophosphatases, Salivary Proteins and Peptides, Saliva
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