Measurement of the Performance and Safety of RTR+Membrane in Guided Tissue Regeneration (GTR) in Dental Surgical Procedures

Inclusion Criteria: * Male or female adult patient * Patient with one of the 3 following dental treatments to be done with the study device: post-extraction socket preservation, alveolar ridge augmentation, or Guided Tissue Regeneration (GTR) during immediate implant placement. * Patient affiliated or beneficiary of a social security system. * Patient has signed his/her informed consent form. Exclusion Criteria: * Pregnancy or lactation * Active tissue infection at the implant site * Several dental treatments done simultaneously in non-contiguous dental zones * Heavy smoker (\>10 cigarettes / day) * Patient receiving long-term corticosteroid therapy, anti-rejection drugs, bisphosphonates, head \& neck radiotherapy or chemotherapy * Patient with chronic infections (such as osteomyelitis) at the surgical site * Patient with poorly controlled metabolic disorders (such as diabetes, osteomalacia, thyroid disorders) * Patient with an auto-immune disease * Patient under tutelage, vulnerable person, person without liberty, or unable to complete questionnaire independently