1 J.-N. Vergnes is senior lecturer, Dental Faculty, Paul Sabatier University and Toulouse University Hospital, Toulouse, France, and adjunct professor, Oral Health and Society Division, Faculty of Dentistry, McGill University, Montreal, Quebec, Canada; jn.vergnes@mcgill.ca; Twitter: @JnVergnes; ORCID: https://orcid.org/0000-0001-7322-6551. N. Apelian is assistant professor, Faculty of Dentistry, McGill University, Montreal, Quebec, Canada. C. Bedos is associate professor, Oral Health and Society Division, Faculty of Dentistry, McGill University, and adjunct professor, School of Public Health, Université de Montréal, Montreal, Quebec, Canada.