Molecular Mechanisms of Tooth Eruption

Inclusion Criteria: * Patient over 12 years old who has given his consent * Patient whose legal representatives have given their consent for the use of operating waste destined for incineration * Patient undergoing oral surgery at the University Hospitals of Strasbourg, at the origin of the production of surgical waste such as teeth and bone fragments * Patient affiliated to a social security system Exclusion Criteria: * Refusal to participate * Patient with chronic systemic pathology * Patient under long-term drug treatment * Patient presenting a rare pathology with oral manifestation * Patient with a history of chemotherapy or head and neck radiotherapy * Non-French speaking patient / inability to give informed information * Patient under guardianship, curatorship or legal protection