TY JOUR TI II CLAS ELASTICS INFLUENCE ON OCCLUSION CHARACTERISTICS IN THE TREATMENT OF COM BINED FORMS OF OCLUSION ANOMALIES KW II class mechanics KW combined form of occlusion anomalies KW curves of Spee KW molars extrusion KW mandible rotation JO Actual problems in dentistry AU Ishmurzin, P.V. AU Ponomareva, M.L. AU Lisovenko, A.D. PY 2013 IS 9 PB TIRAZH Publishing House