1. Academic Centre of Dentistry Bytom PlacAkademicki 17, 41-902Bytom, Poland
2. Chair of Dental Surgery, Department of Cranio-Maxillofacial Surgery and Oral Surgery, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia in Katowice, Plac Akademicki 17, Bytom41-902, Poland, Tel: +48 32 282 79 51
3. Chair of Pathomorphology, Medical University of Silesia in Katowice, Poland