Preliminary Studies on the Presence of Acid Phosphatase in Certain Oral Microorganisms

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Abstract
Acid phosphatase activity was demonstrated in a number of oral micro-organisms including streptococci, micrococci, lactobacilli, and Aerobacter, using p-nitrophenyl phosphate as the substrate. In a series of 30 saliva samples, acid phosphatase activity of whole saliva generally paralleled the results of lactobacillus counts and Snyder tests for caries activity.