1. Department of Conservative Dentistry and Pedodontics, Wroclaw Medical University, Krakowska 26, 50-425 Wroclaw, Poland
2. Department of Microbiology, Wroclaw Medical University, T. Chalubinskiego 4, 50-368 Wroclaw, Poland
3. Department of Experimental Surgery and Biomaterial Research, Wroclaw Medical University, Bujwida 44, 50-368 Wroclaw, Poland
4. Department of Histology and Embryology, Wroclaw University of Environmental and Life Sciences, Norwida 31, 50-375 Wroclaw, Poland
5. Department of Dental Prosthodontics, Wroclaw Medical University, Krakowska 26, 50-425 Wroclaw, Poland
6. Department of Biomedical Engineering, Mechatronics and Theory of Mechanisms, Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, Poland
7. Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okolna 2, 50-422 Wroclaw, Poland