Affiliation: | 1. Dr. Bernd Quantius & Milena Hopp, Private Practice of Implantology and Periodontology, Giesenkirchener Str. 40, M?nchengladbach 41238, Germany;2. Research and Development Department, Maló Clinic, Lisbon, Portugal;3. Oral Surgery Department, Maló Clinic, Lisbon, Portugal |