الفهرس 
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Abstract
Aim: This study was done toevaluate andcompare the prosthesis and implant survival in case of temporary fixed complete dentures with fiber reinforced frameworks versus those with non-reinforced frameworks in case of immediately loaded full arch restorations in completely edentulous patients. The associated marginal bone loss in both groups was also reported as well.
Methodology: Completely edentulous patients were randomly allocated into two parallel arm groups. Non-reinforced control group (NR) in which patients received non-reinforced all-on-4 immediately loaded fixed restoration and Fiber reinforced group (FR) in which patients received all-on-4 fixed restoration with fiber reinforced framework. Prosthesis and implant survival was clinically evaluated after 4 month follow up period. In addition, digital peri-apical radiographs were taken for the implants using the paralleling technique to evaluate the amount of marginal bone loss in both groups.
Results: Prosthesis and implant survival was significantly higher in the FR group compared to the NR group. Also, there was a statistically significant decrease in the amount of marginal bone loss associated with the FR group (0.262 ± 0.1 mm) compared to the NR group (0.675 ± 0.22 mm).
Conclusion: Reinforcing the fixed full arch restorations with fiber reinforced frameworks highly improves the biomechanical properties and consequently increases the prosthesis and implant survival and reduce the amount of marginal bone loss during the osseointegration period.