| Popis: |
Introduction: The maxillary sinus is the largest of the paranasal sinuses and its function is to contribute to phonation resonance, conditioning the air we breathe and aiding in the production of mucus in the nasal cavity. Around 25% of all maxillary sinuses, there is an accessory bone that is located in a lower portion than the main ostium. Aiming to increase the bone formation potential of these grafts, combinations have been proposed to obtain better regenerative conditions through volume preservation and induction of cell migration differentiation. Objective: Conducted a systematic review of the main clinical findings of maxillary sinus surgery using Platelet-rich fibrin. Methods: The present study followed a systematic review model (PRISMA). Experimental and clinical studies were selected, involving retrospective, prospective and randomized studies. The online databases consulted were PubMed, Scopus, Ovid, Periodicos.com, and Google Scholar. Results and Conclusion: A total of 59 articles were found involving the surgery of the maxillary sinuses using plasma rich in fibrin. A total of 34 articles were fully evaluated and 24 were included and discussed in this study. Studies have shown that PRF has the characteristic of polymerizing. The incorporation of circulating cytokines increases in the fibrin network, implying a longer life for these cytokines, as they will be released and used only in the remodeling of the initial scar matrix, which is long-term. PRF is based on protecting growth factors from proteolysis that can maintain their activity for a longer period and stimulate bone regeneration more efficiently. Another study indicated the use of fibrin membranes obtained from PRF to seal the perforations. In the presence of perforations larger than 10.0 mm, the surgery must be aborted and re-entry performed after 60 to 90 days. Furthermore, the combination of biomaterial and PRF significantly improved bone regeneration in the peri-implant area. Therefore, although the results do not seem to confirm that PRF is better than other biomaterials, it is suggested that its use can result in a decrease in the total healing time, around 104 days, and improve the handling of the graft material. |
