Prosthesis and implant survival in immediately loaded full arch restorations using fiber-reinforced versus non-reinforced temporary frameworks: a randomized clinical trial

Objective: To evaluate and compare prosthesis and implant survival in case of interim fixed complete denturesreinforced with fiber resin frameworks versus those that were not reinforced with any framework in case ofimmediately loaded full arch restorations in completely edentulous patients. Material and Methods: Thirtycompletely edentulous patients were randomly allocated into two parallel arm groups. Non-reinforced controlgroup in which patients received non-reinforced all-on-four immediately loaded fixed complete denture andFiber reinforced group in which patients received all-on-four fixed complete denture supported with glass-fiberreinforced resin framework. Prosthesis and implant survival were clinically evaluated after 4 months follow upperiod. Results: A statistically significant difference for prosthesis (p=0.032) and implant survival (p= 0.031)was found between both groups. The fiber-reinforced group showed 100% prosthesis survival and 95% implantsurvival. On the other hand, the non-reinforced group showed 73.3% prosthesis survival and 81.1% implantsurvival. Conclusion: Based on the findings of this study, it can be concluded that strengthening the fixed fullarch restorations with fiber reinforced frameworks can help overcoming the problem of interim prosthesis fractureduring the osseointegration period when used for immediate loading in completely edentulous patients. It canalso improve the survival of the immediately loaded implants.KEYWORDSDental implants; Dental prosthesis; Implant-supported; Prosthesis survival.