{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T04:53:21Z","timestamp":1787028801238,"version":"build-2736575974"},"reference-count":81,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2020,1,30]],"date-time":"2020-01-30T00:00:00Z","timestamp":1580342400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>Background: Sinus augmentation can be performed with or without grafting biomaterials, and to date, there is no quality evidence regarding the augmentation of the sinus floor using only platelet concentrates, which can improve the healing period and enhance bone regeneration by stimulating angiogenesis and bone formation. The main objective of this paper was to assess the effect of the sole use of platelet concentrates in sinus augmentation in terms of newly formed bone, augmented bone height, and clinical outcomes and to assess the additional beneficial effects of platelet-rich fibrin (PRF) in combination with other grafting biomaterials. Methods: A systematic review was conducted following Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines. Pooled analyses were performed with the Review Manager software. Results: For sinus elevation only using platelet concentrates, 11 studies met the inclusion criteria and were included for qualitative synthesis. Only one study was a clinical trial, which reported improved outcomes for the allograft group compared to the titanium-PRF (T-PRF) group. A total of 12 studies where PRF was used in addition to grafting biomaterials met eligibility criteria and were included in the review. Results from meta-analyses provided no additional beneficial effects of PRF in sinus augmentation in terms of bone height and percentage of soft tissue area. There was a statistically significant lower percentage of residual bone substitute material in the PRF (+) group compared to the PRF (\u2212) group. The percentage of newly formed bone was slightly higher in the PRF (+) group, but this was not statistically significant. Conclusion: There is no robust evidence to make firm conclusions regarding the beneficial effects of the sole use of platelet concentrates in sinus augmentation. However, studies have shown favorable outcomes regarding implant survival, bone gain, and bone height. The use of PRF with other grafting biomaterials appears to provide no additional beneficial effects in sinus lift procedures, but they may improve the healing period and bone formation. Well-conducted randomized clinical trials (RCTs) are necessary to confirm the available results to provide recommendations for the clinical practice.<\/jats:p>","DOI":"10.3390\/ma13030622","type":"journal-article","created":{"date-parts":[[2020,1,31]],"date-time":"2020-01-31T05:55:46Z","timestamp":1580450146000},"page":"622","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":51,"title":["Platelet-Rich Plasma in Maxillary Sinus Augmentation: Systematic Review"],"prefix":"10.3390","volume":"13","author":[{"given":"Holmes","family":"Ortega-Mejia","sequence":"first","affiliation":[{"name":"Faculty of Medicine and Health Sciences (Dentistry), University of Barcelona, 08970 Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8430-3380","authenticated-orcid":false,"given":"Albert","family":"Estrugo-Devesa","sequence":"additional","affiliation":[{"name":"Oral Health and Masticatory System Group (Bellvitge Biomedical Research Institute) IDIBELL, Department of Odontostomatology, Faculty of Medicine and Health Sciences (Dentistry), University of Barcelona, 08970 Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Constanza","family":"Saka-Herr\u00e1n","sequence":"additional","affiliation":[{"name":"Faculty of Medicine and Health Sciences (Dentistry), University of Barcelona, 08970 Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ra\u00fal","family":"Ayuso-Montero","sequence":"additional","affiliation":[{"name":"Oral Health and Masticatory System Group (Bellvitge Biomedical Research Institute) IDIBELL, Department of Odontostomatology, Faculty of Medicine and Health Sciences (Dentistry), University of Barcelona, 08970 Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jos\u00e9","family":"L\u00f3pez-L\u00f3pez","sequence":"additional","affiliation":[{"name":"Oral Health and Masticatory System Group (Bellvitge Biomedical Research Institute) IDIBELL, Department of Odontostomatology, Faculty of Medicine and Health Sciences (Dentistry), University of Barcelona, 08970 Barcelona, Spain"},{"name":"Service of the Medical-Surgical Area of Dentistry Hospital, University of Barcelona, 08970 Barcelona, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eugenio","family":"Velasco-Ortega","sequence":"additional","affiliation":[{"name":"Department of Stomatology, Faculty of Dentistry, University of Seville, 41013 Seville, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2020,1,30]]},"reference":[{"key":"ref_1","first-page":"27","article-title":"Maxillary Sinus Augmentation: Anatomic and Clinic Considerations. 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