TY CONF TI CHANGE OF THE MINERAL COMPONENT OF ENAMEL TEETH IN CONNECTIVE TISSUE DYSPLASIA KW electron microscopy KW enamel crystals KW connective tissue dysplasia JO Materials of the International Congress "Dentistry of the Great Urals". December 4-6, 2019 AU Korshunov, A.P. AU Konev, V.P. AU Kuryatnikov, K.N. PY 2024 PB TIRAZH Publishing House