Demographic aspect of the cohort of dentists. Map of France representing the spatial distribution of responses. Red zone: no response; yellow zone: less than 5 responses; light green zone: between 4 and 11 responses; dark green zone: between 11 and 20 responses and blue zone: more than 20 responses. The majority profile of responding dentist surgeons was: woman, in large urban zone, with 20 years of practice and who follows continuing education.