1. Division of Oral and Maxillofacial Surgery, Department of Dental Medicine and Oral Health, Medical University of Graz, 8036 Graz, Austria
2. Division of Restorative Dentistry, Periodontology and Prosthodontics, University Clinic of Dental Medicine and Oral Health, Medical University of Graz, 8036 Graz, Austria
3. Division of Oral Surgery and Orthodontics, University Clinic of Dental Medicine and Oral Health, Medical University of Graz, 8036 Graz, Austria