TY JOUR TI CURRENT PROBLEMS OF THE APPLICATION OF AN INDIVIDUAL APPROACH IN THE PRESCRIPTION OF PERSONAL ORAL HYGIENE MEANS IN ORTHODONTIC TREATMENT KW oral hygiene KW orthodontics KW adolescent KW optimization of an individual approach KW prevention KW dental diseases JO Actual problems in dentistry AU Petrova, A.P. AU Firsova, I.V. AU Lebedeva, S.N. AU Naryzhnaya, E.V. AU Popkova, O.V. AU Shershneva, A.O. AU Tyukavina, O.V. PY 2021 IS 17 PB TIRAZH Publishing House