Thorough examination of 114 young men of pre-constriction military training age disclosed that possibility of oral cavity pathology development is mainly determined by the indices DMFT, PMA, OHI-S and the following parameters of mixed saliva -- basic salivary flow, pH and Lactobacillus and Streptococcus mutans amounts. The degree of these factors changes expressed in scores identifies groups of low, medium and high probability of stomatologic pathology development and basing on this to individualize curative and preventive measures.