%0 Journal Article %T SEARCH ASSOCIATION OF POLYMORPHISM rs3918242 IN MMP9 GENE WITH GUM RECESSION OF CHILDREN %A Akisheva, A.R. %A Valeeva, I.K. %A Mamaeva, E.V. %A Valeeva, E.V. %A Akhtereeva, A.R. %A Akhmetov, I.I. %K children, buccal epithelium, DNA, rs3918242 polymorphism of the MMP9 gene, gum recession %J Actual problems in dentistry %D 2021 %N 17 %P 4 %I TIRAZH Publishing House