{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T14:28:19Z","timestamp":1787840899228,"version":"build-2784847793"},"reference-count":35,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"1","license":[{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":["J Int Soc Prev Community Dent"],"published-print":{"date-parts":[[2025,1]]},"abstract":"\n A\n bstract<\/jats:sc>\n <\/jats:title>\n \n Aim:<\/jats:title>\n \n This study aimed to determine the antibacterial effectiveness of adding zirconia nanoparticles (NPs; ZrO\n 2<\/jats:sub>\n NPs), silver NPs (AgNPs), and titanium dioxide NPs (TiO\n 2<\/jats:sub>\n NPs) in various concentrations to three-dimensional (3D)-printed denture resin against\n Candida Albicans<\/jats:italic>\n ,\n Streptococcus pyogenes<\/jats:italic>\n , and\n Staphylococcus aureus<\/jats:italic>\n , this study was carried out.\n <\/jats:p>\n <\/jats:sec>\n \n Materials and Methods:<\/jats:title>\n \n The antimicrobial efficacy of 150 disk-shaped specimens with a diameter of 15 mm \u00d7 2\u2009mm of unmodified (\n n<\/jats:italic>\n = 15) and modified (\n n<\/jats:italic>\n = 135) 3D-printed denture resin specimens after the addition of silanated ZrO\n 2<\/jats:sub>\n NPs, AgNPs, or TiO\n 2<\/jats:sub>\n NPs (\n n<\/jats:italic>\n = 45) in varying concentrations (\n n<\/jats:italic>\n = 15) of 0.5%, 1%, and 1.5% were compared using three oral bacteria (\n S.pyogenes<\/jats:italic>\n ,\n S. aureus<\/jats:italic>\n , and\n C. albicans<\/jats:italic>\n ) as test subjects. Antimicrobial activity was tested by disk diffusion methods.\n <\/jats:p>\n <\/jats:sec>\n \n Results:<\/jats:title>\n \n According to the results, when the three tested NPs (ZrO\n 2<\/jats:sub>\n NPs, AgNPs, and TiO\n 2<\/jats:sub>\n NPs) were added, the bacterial count significantly decreased compared with the unmodified 3D-printed resin. Additionally, the findings showed that as the concentration of the studied NPs increased, so did their antibacterial activity. At 1.5% and 1% concentrations, the AgNPs\u2019 antibacterial activity was negligible. However, the\n in vitro<\/jats:italic>\n study\u2019s findings showed that, in terms of the kinds of microorganisms studied, there were no appreciable variations between the three tested NPs.\n <\/jats:p>\n <\/jats:sec>\n \n Conclusion:<\/jats:title>\n \n The inclusion of ZrO\n 2<\/jats:sub>\n NPs, AgNPs, and TiO\n 2<\/jats:sub>\n NPs significantly had antimicrobial action against (\n S. pyogenes<\/jats:italic>\n ,\n S. aureus<\/jats:italic>\n , and\n C. albicans<\/jats:italic>\n ).\n <\/jats:p>\n <\/jats:sec>","DOI":"10.4103\/jispcd.jispcd_53_24","type":"journal-article","created":{"date-parts":[[2025,2,26]],"date-time":"2025-02-26T12:00:09Z","timestamp":1740571209000},"page":"42-49","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":5,"title":["Antimicrobial Effect of Three Different Nanoparticles-Modified 3D-Printed Denture Resin: An In Vitro Study"],"prefix":"10.4103","volume":"15","author":[{"given":"Islam Basuny","family":"Abd Elhamid Abo Salh","sequence":"first","affiliation":[{"name":"Department of Removable Prosthodontics, Faculty of Dental Medicine, Al-Azhar University, Assiut, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emad Boriqaa","family":"Add El-Salam","sequence":"additional","affiliation":[{"name":"Department of Removable Prosthodontics, Faculty of Dental Medicine, Al-Azhar University, Assiut, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amgad A.","family":"Ezzat","sequence":"additional","affiliation":[{"name":"Department of Medical Microbiology and Immunology, Faculty of Medicine, Al-Azhar University, Assiut, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohamed","family":"Aboshama","sequence":"additional","affiliation":[{"name":"Department of Removable Prosthodontics, Faculty of Dental Medicine, Al-Azhar University, Assiut, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahmed Fathey","family":"Elhagali","sequence":"additional","affiliation":[{"name":"Department of Removable Prosthodontics, Faculty of Dental Medicine, Al-Azhar University, Assiut, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2025,2,26]]},"reference":[{"key":"CIT0001-20250227","doi-asserted-by":"crossref","first-page":"387","DOI":"10.37358\/RC.19.2.6922","article-title":"Nanocomposite for rapid prototyped complete denture. 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