Clinical Research Directory

To distinguish the interventions in this specific study from those in other clinical trials, the following unique technical and procedural details should be noted: * Specific Material Combination:\*\* The primary intervention uses PEEK (Polyetheretherketone) specifically veneered with \*\*Visio-lign composite\*\*, a combination chosen to mimic the elastic modulus of human bone and reduce stress shielding. * Targeted Anatomical Site:\*\* The study is exclusively limited to the \*\*maxillary esthetic zone\*\* (upper front teeth), where both mechanical stress and esthetic demands are highest. * Fully Digital Workflow:\*\* Unlike studies that may use conventional impressions, this protocol utilizes a \*\*fully digital workflow\*\*, including digital intraoral scans and CAD/CAM fabrication for both the PEEK and zirconia restorations. * Prosthetically Driven Surgical Guidance:\*\* The placement of the two implants is "prosthetically driven," meaning the final tooth position dictates the surgey

In this study, the \*\*comparator group\*\* (the control group) receives a \*\*monolithic zirconia screw-retained restoration\*\*. This group serves as the standard clinical benchmark against which the experimental PEEK-composite material is measured. The specific details that distinguish this intervention from others include: * Material Selection:\*\* The restoration is made of \*\*monolithic zirconia\*\*, a high-strength ceramic known for its biocompatibility and esthetic potential, but which is significantly more rigid than the experimental PEEK material. * Fully Digital CAD/CAM Workflow:\*\* Unlike traditional methods, the zirconia restoration is designed and fabricated using a \*\*fully digital workflow\*\*, including digital intraoral scans and computer-aided manufacturing. * Specific Anatomical Placement:\*\* This intervention is applied specifically to \*\*two dental implants\*\* located in the maxillary esthetic zone