Answers are grounded in this paper and cite their sources.
Formic acid was the most prominent acid in resting plaque. The mean acid concentrations for formic, acetic, lactic and propionic acids were 8.18, 5.75, 1.66 and 0.4 nmol/mg wet weight, respectively. There were no statistically significant differences between the acid content of plaques from molars and anterior teeth nor between buccal and lingual sites.
No takes yet. Share an insight, caveat, or question.
Distler et al. (2009) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: