%0 Journal Article %T Сalcium-phosphorus balance and bone metabolism markers estimation in the combination therapy of patients with chronic generalized severe periodontitis %A Gurtovaya, M.N. %A Kazakova, A.V. %K periodontitis, osteogenon, calcium-phosphorus balance, ossein, bone tissue destruction %J Actual problems in dentistry %D 2016 %N 12 %P 4 %I TIRAZH Publishing House