Assessing whether is there a difference between computer-guided ridge splitting and conventional technique with simultaneous implant placement in patients with maxillary width deficiency.

Two groups one treated with ridge splitting using guided surgery and the other one treated with freehand surgery and both groups had simultaneous dental implants the first one had guided placement and the other one was freehand.

Inclusion Criteria:

• Patient with missing maxillary anteriors or premolars teeth.
• Tooth extraction at the implant sites was performed at least 4 months before the surgery.
• The bone width of the crestal one -third (3-5 mm) with sufficient bone height allowing for simultaneous implant placement.
• Free from any systemic disease or local pathological lesions that may affect bone healing or contraindicate implant placement.
• With no history of any previous grafting surgeries at the area of interest.

Exclusion Criteria:

• Sever concavity of the alveolar ridge.
• Bad oral hygiene ( Silness-Löe index (score 2-3).
• Heavy smoker (smoke greater than or equal 25 cigarettes per day).
• Presence of acute infections or periapical lesions in adjacent teeth.
• Parafunctional habits.
• Pregnant females.