1. Department of Conservative Dentistry with Endodontics, Medical University of Silesia, Katowice, Slaskie, Poland
2. Department of Diagnostics, University of Medical Sciences, Poznan, Poland
3. Doctoral School, Poznań University of Medical Sciences, Poznan, Poland
4. Department of Oral Medicine and Radiology, Faculty of Dental Sciences, King George’s Medical University, Lucknow, Uttar Pradesh, India