Inclusion Criteria:  be between 10 and 18 years of age, consult in the O-Rare CRMRs of Strasbourg and Paris-Rothschild or the CCMRs of Bordeaux, Lyon, Marseille, Nantes, Toulouse for a care or follow-up consultation having a non-syndromic amelogenesis imperfecta or dentinogenesis imperfecta having access to a cell phone and/or tablet and/or personal or family computer covered by the social security of one of his parents understand French and one of whose parents (or legal representative) understands French have declared his or her non-opposition and one of whose parents (or legal representative) has declared his or her non-opposition to participate in the study.  Exclusion Criteria:  Child presenting for diagnostic consultation and child who cannot read or whose 2 parents (legal representatives) cannot read