Orofacial Functions and Masticatory Function in Children With Different Types of Deterioration in Oral Health

Inclusion Criteria: * All children, from 3 to 17 years old (inclusion limits), attending the special dental care unit of the CHU Estaing in Clermont Ferrand or the CH Guy Thomas in Riom are included in the study: * Children and adolescents who have given their consent (6-17 years) and whose legal guardians have given their consent. * Children (3-6 years old) with consent from the legal guardian. * The subject is affiliated with a Social Security system. This may include: 1. children with multiple caries, requiring full rehabilitation under sedation or general anesthesia +/- prosthetic rehabilitation, 2. children with orofacial dysmorphologies/malocclusions, associated or not with a general syndrome, requiring orthodontic and/or prosthetic treatment 3. children with dental abnormalities, associated or not with a general syndrome, requiring conservative, orthodontic and/or prosthetic treatment, 4. children with a healthy oral status in the course of their bi-annual oral health chek-up. Exclusion criteria: * Children with an ASA III or IV category according to the American Society of Anesthesiologists * Children who do not have a solid diet due to severe neuromotor disorders. * Children for whom a geographical or organizational barrier prevents follow-up in the service, children in social placement * Children over 18 years of age * Children (6-17 years) who do not volunteer to participate * Children (6-17 years old) who are unable to give consent to participate in the research. * Children for whom one of the legal guardians refuses to participate in the study * Children whose legal guardians are not capable of giving informed consent. * Children who are not affiliated to a Social Security system. * Pregnant or nursing teenagers