Affiliation: | 1. Dental Academy for Continuing Professional Development, Karlsruhe, Germany;2. Clinic of Operative Dentistry, Periodontology and Preventive Dentistry, University Hospital, Saarland University, Homburg, Germany;3. Private practice, Center for Implantology and Oral Surgery, Heidelberg, Germany;4. Clinic for Conservative Dentistry and Periodontology, School for Dental Medicine, Christian‐Albrechts‐University Kiel, Kiel, Germany |