{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T15:34:39Z","timestamp":1791819279503,"version":"4.3.4"},"reference-count":49,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2023,4,23]],"date-time":"2023-04-23T00:00:00Z","timestamp":1682208000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2023,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>While suggested to be effective in tissue regeneration, the effects of horizontal platelet\u2010rich fibrin (H\u2010PRF) bone block in sinus augmentation have not been verified in an animal model.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A total of 12 male New Zealand white rabbits that underwent sinus augmentation were divided into two groups: deproteinized bovine bone mineral (DBBM) only and H\u2010PRF bone block. H\u2010PRF was prepared at 700\u2009\u00d7\u2009g for 8\u00a0min using a horizontal centrifuge. The H\u2010PRF bone block was prepared by mixing 0.1\u00a0g DBBM with H\u2010PRF fragments and then adding liquid H\u2010PRF. Samples were collected after 4 and 8\u2009weeks and analyzed using microcomputed tomography (micro\u2010CT) for vertical bone gain of the sinus, bone volume\/total volume (BV\/TV) percentage, trabecular number (Tb.N), trabecular thickness (Tb.Th) and trabecular separation (Tb.Sp). Then, histological analyses were performed to investigate new blood vessels, material residue, bone formation and osteoclasts.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Higher vertical bone gain of the sinus floor, BV\/TV percentage, Tb.Th, and Tb.N and lower Tb.Sp were found in the H\u2010PRF bone block group at both time points compared with the DBBM group. Higher amounts of new blood vessels and more osteoclasts were found in the H\u2010PRF bone block group than in the DBBM group at both time points, especially in the regions close to the bone plate. More new bone formation and less material residue were observed in the H\u2010PRF bone block group at 8\u2009weeks.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>H\u2010PRF bone block showed greater potential for sinus augmentation by promoting angiogenesis, bone formation and bone remodeling in a rabbit model.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/clr.14053","type":"journal-article","created":{"date-parts":[[2023,2,27]],"date-time":"2023-02-27T10:08:26Z","timestamp":1677492506000},"page":"555-564","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Comparative microcomputed tomography and histological analysis of the effects of a horizontal platelet\u2010rich fibrin bone block on maxillary sinus augmentation: A preclinical in vivo study"],"prefix":"10.1111","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8838-1490","authenticated-orcid":false,"given":"Shimin","family":"Yu","sequence":"first","affiliation":[{"name":"State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei\u2010MOST) &amp; 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