%0 Journal Article %T COMPARISON OF THE SHANNON BIODIVERSITY INDEX OF STUDY GROUPS %A Zinecker, D.T. %A Modina, T.N. %A Khusainov, I.K. %A Cinekker, D.A. %A Mamaeva, E.V. %K periodontitis, COVID-19, stomatitis herpetiformis, candida infection, biodiversity %J Actual problems in dentistry %D 2024 %N 20 %P 4 %I TIRAZH Publishing House