Accuracy of Various Advanced Treatment Planning Software for Static Computer Guided Surgery in Dental Implant

Inclusion Criteria: 1. partially edentulous adults with at least three teeth remaining. 2. an expected sufficient bone volume to perform implant insertion with at least a 3.5mm Cybermed dental implant without simultaneous bone augmentation. 3. extractions performed at least 3 months earlier. 4. potential earlier sinus grafting was performed at least 6 months prior to implant placement. 5. Patients with absence of any periodontal problems in the adjacent teeth. 7- stable medical condition to undergo implant surgery (ASA 1 or 2). Exclusion Criteria: 1. Physical or psychological disorders generally prohibiting implant therapy. After initial screening. 2. Patients with a history of bruxism 3. Patients with over eruption of the opposing tooth.