1. Department of Dentistry and Maxillofacial Surgery, Orenburg State Medical University, Orenburg 460000, Russia
2. Department of Histology, Cytology and Embryology, Orenburg State Medical University, Orenburg 460000, Russia
3. Department of Nanotechnology, Materials Science and Mechanics, Togliatti State University, Togliatti 445020, Russia
4. Institute of Physics of Advanced Materials, Ufa University of Science and Technology, Ufa 450076, Russia