%0 Journal Article %T THE STUDY OF BOUNDARY PERMEABILITY OF MATERIALS USED FOR FISSURE SEALING %A Lunitsyna, Y.V. %A Bondarenko, O.V. %A Voblova, T.V. %A Rikhter, A.A. %A Tokmakova, S.I. %K dental caries, fissure sealing, monomeric sealants, glass ionomer cements, sealants %J Actual problems in dentistry %D 2019 %N 15 %P 6 %I TIRAZH Publishing House