Zinc Incorporated Bovine Derived- Hydroxyappatite Xenograft in Immediately Placed Implant

Inclusion Criteria: * Adult(male or female) patients between the ages of 21 -50 years who requiring the replacement of one or more non-restorable teeth in the mandible which will be indicated for extraction. * Adequate bone dimensions at the implant site with ridge width of at least 6 mm, the availability of at least 3mm of sound subapical bone, the presence of an intact labial bone plate, and no evidance of periapical infection on cone beam computed tomography or clinically * The peri-implant gaps larger than 1.5 mm will be included. * All patients will be physically healthy with no medical history of any systemic disease. Exclusion Criteria: * Smokers. * Patients with para functional habits such as bruxism and clenching * Poorly controlled systemic diseases which preclude local anesthesia or surgical procedures * Patients undergoing chemotherapy or radiotherapy and immuno-compromised patients. * Pregnant /lactating women. * Patients that are allergic to zinc * Patients on antibiotic therapy in the pervious 6 months