Physiologic Chloride Levels in Human Whole Saliva

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Abstract
Whole saliva samples were collected from 1164 healthy young adults and chloride content determined by iodometric tltration. In one portion of the study salivary flow was elicited with three large (size 32) crepe rubber bands while, in the other portion, no exogenous stimulation was utilized. No significant differences attributable to age were found for volume or chlorides. In each experiment, rate of flow for males was significantly higher than that for females. Rate of flow for both sexes was significantly higher when exogenous stimulants were employed. For females, volume and chloride were negatively correlated while, for males, a positive correlation was noted with exogenous stimulation and a negative correlation when no such stimulation was used. Chloride levels were significantly higher for both sexes when exogenous stimulation was used.