Esthetic Outcome of 3D Printed Hybrid Ceramics as Final Restorations for Single Screw Retained Implant.

Inclusion criteria

• Age: between 18 and 70 years old at the time of screening.
• Patients with implants placed and in need for crown restoration
• Medically free with no systemic diseases.
• Good oral hygiene with no active periodontal disease.
• Patient's having adequate interocclusal and mesiodistal restorative space for the fabrication of a single implant-supported crown.
• Patients willing and able to provide written informed consent for participation in the study, understanding its risks, benefits, and alternative treatments.

Exclusion criteria

• Uncontrolled systemic diseases (e.g., uncontrolled diabetes, severe cardiovascular disease, active autoimmune disorders, uncontrolled thyroid dysfunction).
• Patients with composite restoration on the labial/buccal surface implant's neighbouring.
• Immunocompromised patients or those undergoing immunosuppressive therapy.
• Patients undergoing radiation therapy to the head and neck region, or chemotherapy.
• Patients currently on or with a history of medications known to significantly affect bone metabolism (e.g., long-term bisphosphonates, corticosteroids).
• Pregnancy or lactation.
• Known allergies to titanium, resin components, or any other materials used in the study (e.g., composite, zirconia).