Abstract
Summary
1. The ingestion of DHA in the diet, drinking water, by intubation and by intraperitoneal injection all had a pronounced potentiating effect on the smooth surface caries produced in white rats by a heat processed skim milk powder diet. 2. Considerable concentrations of DHA were found in stimulated rat saliva following its administration by diet, by intubation and by intraperitoneal injection. 3. It appears that the potentiating effect of DHA on smooth surface rat caries cannot be attributed unequivocally at this time to an extra-oral systemic effect.
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