The Success of Implant-borne Prostheses Following Fully-guided Static Computer-assisted Implant Surgery.

Inclusion Criteria: * Patients who received implant-borne prostheses for oral rehabilitation. * Patients who had dental implants placed using fully guided sCAIS. Exclusion Criteria: * patients who had major systemic diseases as classified by the American Society of Anesthesiologists (ASA grades III-IV) * psychiatric contraindications * patients on medication interfering with bone metabolism, including steroid therapy and antiresorptive medication * radiation to the head or neck region within the previous five years * localized periapical disease, including odontogenic and nonodontogenic cysts. * high and moderate patients with existing occlusal parafunction * evidence of uncontrolled periodontal disease * Alcohol Use Disorder defined by the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5) * recreational drug abuse * heavy smoking (\>10 cigarettes/day), * diseases of the oral mucosa, including blisters and ulcers, red and white lesions, pigmented lesions, benign tumors of the oral cavity, and oral cancer. * pregnancy or nursing * poor oral hygiene as determined by a modified plaque score \>30% * unavailability for regular follow-ups.