Evaluation of Hyaluronic Acid in Addition to Xenograft in Immediate Implant Placement Within Maxillary Esthetic Zone

Study design: The present study will be carried out on twenty patients selected from the department of Oral Medicine, Periodontology, Oral Diagnosis and Radiology, Faculty of Dentistry, Mansoura University for replacement of non restorable maxillary anterior and/or premolar teeth within esthetic zone by immediate implant divided into two groups. A written informed consent will be obtained from all patients before their participation in this study. Evaluation of study: All patients will be seen at regular time interval for evaluation at the visit of surgical intervention , follow up of clinical parameter will be recorded monthly then three , six months postoperative and six month after loading(with twelve month follow up study). 1. Clinical evaluation: Implant stability evaluation Soft tissue evaluation 2. Radiographic evaluation: * Marginal bone loss(MBL).