TY JOUR TI SPECIFIC FEATURES OF DENTAL STATUS OF CHILDREN WITH CONGENITAL LIP AND PALATE IN A REGION WITH PETROCHEMICAL ECOTOXICANTS KW congenital cleft lip and palate KW petrochemical ecotoxicants KW petrochemical industry KW dental status KW enamel resistance KW caries KW periodontal disease JO Actual problems in dentistry AU Chuykin, S.V. AU AKATYEVA, G.G. AU Makusheva, N.V. AU Chuykin, O.S. AU Egorova, E.G. AU Kuchuk, K.N. AU Bayburina, E.K. PY 2021 IS 16 PB TIRAZH Publishing House