Institution: | 1. Department of Periodontology, Centre for Dentistry and Oral Medicine (Carolinum), Johann Wolfgang Goethe‐University Frankfurt/Main, Frankfurt/Main, Germany;2. Private Practice, Soest, Germany;3. Department of Prosthodontics, Centre for Dentistry and Oral Medicine (Carolinum), Johann Wolfgang Goethe‐University Frankfurt/Main, Frankfurt/Main, Germany;4. Department of Oral Surgery and Implantology, Centre for Dentistry and Oral Medicine (Carolinum), Johann Wolfgang Goethe‐University Frankfurt/Main, Frankfurt/Main, Germany |