1. Department of Oral Health Sciences, Section Periodontology and Oral Implantology Ghent University Ghent Belgium
2. Department of Oral Health Sciences, Section Maxillo‐Facial Surgery, Periodontology and Oral Implantology Ghent University Ghent Belgium
3. Ghent University Ghent Belgium
4. Clinic for Removable Prosthodontics, Faculty of Medicine and Health Sciences, Dental School Ghent University Ghent Belgium
5. Department of Dentistry Radboud University Medical Center Nijmegen The Netherlands
6. Department of Dentistry, Periodontology Dental School Ghent Radboud University Medical Center Nijmegen The Netherlands