The Effect of Bone Grafts on Facial Gingival Profile in Maxillary Anterior Single Tooth Replacement

Inclusion Criteria: 1. Patients must be 18 years of age or older, are no longer growing and able to read and sign an informed consent. 2. Good oral hygiene. 3. A single failing maxillary anterior tooth (#6-11) with the presence of healthy adjacent teeth. 4. Adequate bone volume to accommodate an implant with minimum dimensions of 3.6 mm diameter and 10.0 mm length. 5. Presence of opposing dentition (natural teeth, fixed or removable prostheses) 6. Healthy soft tissue at the future implant site. Exclusion Criteria: 1. A medical history that would complicate the outcome of study such as alcohol or drug dependency, poor health ,uncontrolled diabetes, immunodeficiency diseases, taking any medication that may cause gingival over growth or any other medical, physical or psychological reason that might affect the surgical procedure or the subsequent prosthodontic treatment and required follow-up examinations. 2. Dental history of bruxism, parafunction habit, and/or lack of stable posterior occlusion 3. Smoker. 4. History of head and neck radiation. 5. Soft tissue defect (inflammation, tissue cleft, unhealthy tissue) around a future implant site. 6. Inability to achieve primary implant stability following immediate implant placement.