1. Department of Maxillofacial Orthopaedics and Orthodontics, Pomeranian Medical University in Szczecin, Szczecin, Poland
2. Faculty of Materials Science and Ceramics, Department of Ceramics and Refractories, AGH University of Cracow, Cracow, Poland
3. Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples “Federico II”, Napoli, Italy