after the implants' osseointegration period (4 months), digital scans will be taken for the implant positions and the STL files will be stored and sent for the CAD software to design a full arch restoration. Two types will be constructed, Group I patients will receive porcelain fused to titanium frameworks, and Group II will receive a framework made of high-performance polymer filled with nano-zirconia and carbon. After the installation of the frameworks, the bone height changes and the wear of the occlusal surfaces will be monitored at baseline, after 6 months and 12 months post insertion.
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bone height changes around the implants
Timeframe: 12 months