00451naa#a2200145#i#450# EN\\bibl\45551 20240506192620.1 2077-7566 20210812b2021####ek#y0engy0150####ca RU PROBLEMS AND TREATMENT OF MOLAR-CUTTER HYPOMINERALIZATION (MWG) OF DIFFERENT DEGREES Journal article Ekaterinburg TIRAZH Publishing House 2021 2 с. Journal article local dental-press.ru