This study will be conducted to investigate the accuracy of Blue sky plan bio , exoplan ,and real guide advanced treatment planning software required for static computer guided surgery designing and manufacturing.

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.