This is the site for the Health Sciences.
A systematic review did not yield sufficient evidence to establish salivary proteins as a biomarker for dental caries, although three of seven studies showed a relation between salivary proteins and dental caries in terms of protein phenotypes, total protein concentration and protein molecular weight. Martins, C et al, 2012, “Salivary proteins as a biomarker for dental caries-A systematic review”, J Dent. 2012 Nov 9. pii: S0300-5712(12)00299-0. doi: 10.1016/j.jdent.2012.10.015. [Epub ahead of print]http://www.opusej.org/library/salivary-proteins-as-a-biomarker-for-dental-caries-a-systematic-review-cover/