Thymoquinone Around Immediate Implant

Inclusion Criteria: * 1- Patients ages more than 18 years old, Participants were chosen according to specific eligibility criteria, requiring them to be healthy individuals classified as ASA I by the American Society of Anesthesiologists. 2- Patients requiring extraction of posterior teeth with consequent immediate implant placement. 3- Indications for extraction included: non restorable teeth (posterior teeth), untreatable caries, endodontic failures, remaining roots, vertical fracture of the roots. 4- Natural teeth adjacent to the tooth to be extracted will required to have complete occlusal surfaces and be free from infections.. 5\. Patients will selected with a thick soft tissue phenotype and a minimum keratinized tissue width (KTW) of 2 mm. Exclusion Criteria: * Pathologies or drugs that alter tissue integration with dental implants. 2- Head and neck radiation therapy. 3- Renal disease, bleeding disorders and anticoagulant therapy. 4- Pregnant females. 5- Patients with severe para-functional habits and unfavorable occlusion 6- Smokers. 7- Malaligned teeth and teeth with acute periapical pathosis.