1. Department of Periodontology; Service of Odontology, Rothschild Hospital, AP-HP; Paris 7 - Denis Diderot University; U.F.R. of Odontology; Paris; France
2. Department of Oral Imaging; Service of Odontology, Rothschild Hospital; AP-HP; Paris 7 - Denis Diderot University; U.F.R. of Odontology; Paris; France
3. European Post Graduate Program of Oral Implantology Institute of Health; University of Corsica Pasquale Paoli; Corte; France
4. Research Clinic Unit, Mondor Hospital; AP-HP, Paris 12-Paris Est Créteil University; U.F.R. of Medicine; Paris; France