00744naa#a2200217#i#450# EN\\bibl\19584 20240514013415.2 2541-9420 20180118b2018####ek#y0engy0150####ca RUS RU CHANGING THE COLOR OF TOOTH ENAMEL IN THE PROCESS OF ORTHODONTIC TREATMENT Journal article Irkutsk Scientific Center for Family Problems and Human Reproduction 2018 5 с. Journal article local Медицина. Охрана здоровья. 61 RUS Spasich Tatiana Anatolievna Reshetnik Lyubov' Aleksandrovna Soboleva Natalia Nikolaevna Kovtonyuk Petr Alekseevich naukaru.ru