TY JOUR TI Morfology, microstructure, microrelief, qualitative and quantitative composition of the teeth surface with early attrition KW raman spectroscopy KW tooth attrition KW mineralization degree assessment KW treatment KW prevention JO Actual problems in dentistry AU Mandra, Y.V. AU Legkih, A.V. AU Kiseleva, D.V. PY 2016 IS PB TIRAZH Publishing House