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The purpose of this study was to investigate the effects of using gelatin- and fibrin-based hemostatic hydrogels as a scaffold on pulp regeneration in a minipig model<jats:italic>.<\/jats:italic> Cell viability of human dental pulp stem cells cultured three-dimensionally in gelatin-based and fibrin-based scaffolds was evaluated by MTT and live\/dead assay. RET was performed on 24 immature premolars with an autologous blood clot (PC), gelatin-based and fibrin-based hemostatic matrices (GM and FM), or without the insertion of a scaffold (NC). The follow-up period was 12\u00a0weeks. Radiographic and histologic assessments for pulp regeneration were performed. Gelatin-based scaffolds exhibited significantly higher cell viability than fibrin-based scaffolds after 15\u00a0days (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05). The PC and GM groups showed favorable root development without inflammation and newly mineralized tissue deposited in the root canal system, while FM group presented inflammatory changes with the continuation of root development. The NC group exhibited internal root resorption with periapical lesions. The application of GM in RET led to favorable clinical outcomes of root development without inflammatory changes compared to conventional RET. Our results suggest that GM may serve as a viable regenerative scaffold for pulp regeneration.<\/jats:p>","DOI":"10.1038\/s41598-020-69437-6","type":"journal-article","created":{"date-parts":[[2020,7,27]],"date-time":"2020-07-27T10:02:20Z","timestamp":1595844140000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":29,"title":["Pulp regeneration with hemostatic matrices as a scaffold in an immature tooth minipig model"],"prefix":"10.1038","volume":"10","author":[{"given":"Ji-Hyun","family":"Jang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joung-Ho","family":"Moon","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sahng Gyoon","family":"Kim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sun-Young","family":"Kim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,7,27]]},"reference":[{"key":"69437_CR1","doi-asserted-by":"crossref","first-page":"377","DOI":"10.1016\/j.joen.2006.09.013","volume":"33","author":"PE Murray","year":"2007","unstructured":"Murray, P. 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