Effect of Bone Marrow Mononuclear Cell Layer Seeded on Platelet-rich Fibrin on an Alveolar Socket After Extraction

Inclusion Criteria: * Patients with badly decayed tooth indicated for extraction * Patients with healthy systemic condition (Medically free) * Adequate inter-arch space for placement of the implant prosthetic part. * Good oral hygiene * Cooperative patients who are willing to commit for 6 months follow up Exclusion Criteria: * Smokers * Pregnant females * Patient with medical condition that contraindicates surgical procedures * Patients on medication that may interfere with healing (corticosteroids, bisphosphonate, Chemo/radio therapy). * Patients with habits that may jeopardize the implant longevity and affect the results of the study such as alcoholism or parafunctional habits.