Effect of Collagen Membrane on Ridge Preservation

Inclusion Criteria: * Adults aged 18-80 * Indicated for extraction of a single-rooted maxillary tooth * ≥ 30% buccal bone dehiscence confirmed by CBCT reconstructions * Presence of both adjacent teeth * No interproximal bone loss * ASA I-II health status * Ability to comply with required procedures, including attending required number of clinic visits Exclusion Criteria: * Patients diagnosed with periodontitis adjacent to the area to be treated * History of allergic reactions to local anesthetics or bone graft material (self-reported); * Current heavy smokers (≥ 10 cigarettes/day) or those who quit smoking recently (self-reported; last 6 months); * Diagnosis of diabetes mellitus, liver or kidney failure (self-reported); * Presence of active infectious diseases of any kind; * History of chemotherapy or radiation therapy to the head or neck within the past 5 years (self-reported); * Severe hematologic disorders (risk for hemorrhage)(self-reported); * Assumption of corticosteroids, IV bisphosphonates or immunosuppressive drugs; * Any history of alcohol or drug abuse (self-reported); * Pregnancy or plans to become pregnant within 4 months of study enrollment (self-reported);