TY JOUR TI APPLICATION OF COMBINED LOW-FREQUENCY ULTRASOUND AND OZONE THERAPY IN THE COMPLEX TREATMENT OF ORAL MUCOUS MEMBRANE INJURIES KW ultrasound KW ozone therapy KW erosive and ulcerative lesions of the oral mucosa KW chronic recurrent aphthous stomatitis KW complex treatment JO Actual problems in dentistry AU Sheregov, A.K. AU Tarchokova, E.M. AU Gendugova, O.M. AU Tkhazaplizheva, M.T. AU Mamresheva, S.R. AU Osmanova, D.V. PY 2026 IS 22 PB TIRAZH Publishing House