1. U.F.R. d'Odontologie Université Paris Cité Paris France
2. Service of Odontology Periodontal and Oral Surgery Unit, Rothschild Hospital (AP‐HP) Paris France
3. Population‐Based Epidemiologic Cohorts Unit, Inserm, UMS 11 Villejuif France
4. URP 2496 Université Paris Cité Paris France