SUMMARY
The article adduces the dynamics of concentration changes of medium molecular peptides in oral liquid and blood serum in persons with inflammatory diseases of periodontal tissue who work in different conditions of agriculture manufacture at pesticides influence. It was proved that in this contingent the increase of the marker of endogenous intoxication in biological liquids with enlargement of intensification of inflammatory processes in paradontium occurs, moreover, in people who work on closed greenhouse grounds at pesticides influence this tendency has more expressed character than in almost healthy persons of control group in patients with inflammatory diseases of periodontal tissue who don’t suffer from negative influence of harmful factors of agriculture enterprises.