Effect of Vinegar-hydrogen Peroxide Mixture on Certain Properties of Pmma: An in-vitro Study

Effect of Vinegar-hydrogen Peroxide Mixture on Certain Properties of Pmma: An in-vitro Study | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Effect of Vinegar-hydrogen Peroxide Mixture on Certain Properties of Pmma: An in-vitro Study Anjali Jha, Pradeep S, Veena Hegde, Nayana prabhu This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-6923120/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract Background: Polymethyl Methacrylate (PMMA) is widely used in dentistry for its biocompatibility, durability, and aesthetic properties. However, maintaining PMMA-based dental appliances requires effective, non-toxic, and eco-friendly cleaning methods. Vinegar and hydrogen peroxide have individually demonstrated antimicrobial properties, but their combined effects on PMMA remain unexplored. Aim: This in vitro study aims to evaluate the effect of a vinegar-hydrogen peroxide mixture on the surface roughness, flexural strength, and impact strength of PMMA. Materials and Methods: A total of 108 PMMA samples were fabricated and divided into three test groups: surface roughness, flexural strength, and impact strength. Each group was further divided into two subgroups—Subgroup A (immersed in a 1:1 vinegar-hydrogen peroxide mixture) and Subgroup B (control, immersed in distilled water). Samples were soaked for 8 hours daily over 5, 10, and 30 days. After immersion, surface roughness was measured using a surface profiler, flexural strength was assessed via a three-point bending test on a universal testing machine, and impact strength was evaluated using an impact testing machine. Statistical analysis was performed using SPSS 26.0, with significance set at p<0.05. Results: The study will determine whether the vinegar-hydrogen peroxide mixture affects the physical properties of PMMA, impacting its clinical longevity and performance. Conclusion: If proven effective and safe, the vinegar-hydrogen peroxide mixture could serve as an affordable, eco-friendly alternative to commercial denture cleansers, offering a viable cleaning solution for denture wearers while maintaining PMMA’s structural integrity. PMMA denture cleanser vinegar hydrogen peroxide surface roughness flexural strength impact strength Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-6923120","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":481915859,"identity":"a2b8264a-2259-45fc-990b-9a1197d8e782","order_by":0,"name":"Anjali Jha","email":"","orcid":"","institution":"Manipal Academy of Higher Education - Manipal Campus","correspondingAuthor":false,"prefix":"","firstName":"Anjali","middleName":"","lastName":"Jha","suffix":""},{"id":481915860,"identity":"96db7c62-25ec-4a40-bb8a-79e619106b7f","order_by":1,"name":"Pradeep S","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA9UlEQVRIiWNgGAWjYJACCTDJ3gAkDBgY+OAiBLXwHIBoYSNei0QChEdQi7n04Yc3PlTcYZCf+Trxc0HBHXk2BuaDt3nwaLHsSzO2nHHmGYPB7dzN0jMMnhm2MbAlW+PTYnCGwUyat+0wg4F07gZpHoPDjG0MPGbS+LWwf5P+++8w0GFnN/8GarFvY+D/RkAL0EzGhsMMDDd4t4FsSQTawoZXi2UPT7Flz7FnPAZncrdZ8xg8S25jZjO2nINHizkP+8YbP2ruyMm3n918m+fPHdt+9uaHN97gcxiEOgBzyQEGBmY8ypG1wPgHsCsbBaNgFIyCEQ0AoNFI7D6egKEAAAAASUVORK5CYII=","orcid":"","institution":"Manipal Academy of Higher Education - Manipal Campus","correspondingAuthor":true,"prefix":"","firstName":"Pradeep","middleName":"","lastName":"S","suffix":""},{"id":481915861,"identity":"9a6250b8-f364-4a6e-a6b7-56fafb676f58","order_by":2,"name":"Veena Hegde","email":"","orcid":"","institution":"Manipal Academy of Higher Education - Manipal Campus","correspondingAuthor":false,"prefix":"","firstName":"Veena","middleName":"","lastName":"Hegde","suffix":""},{"id":481915862,"identity":"42bc0b71-2cbc-4eb8-9628-ec15395769e1","order_by":3,"name":"Nayana prabhu","email":"","orcid":"","institution":"Manipal Academy of Higher Education - Manipal Campus","correspondingAuthor":false,"prefix":"","firstName":"Nayana","middleName":"","lastName":"prabhu","suffix":""}],"badges":[],"createdAt":"2025-06-18 12:38:22","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-6923120/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-6923120/v1","draftVersion":[],"editorialEvents":[],"editorialNote":"","failedWorkflow":false,"files":[{"id":88702324,"identity":"48ac0239-5960-4f6e-8227-c40ad217921a","added_by":"auto","created_at":"2025-08-09 23:01:24","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":597666,"visible":true,"origin":"","legend":"","description":"","filename":"thesismanuscriptbsu.pdf","url":"https://assets-eu.researchsquare.com/files/rs-6923120/v1_covered_cff9567b-f8e8-4ea5-b4e2-f1e601dbaa3d.pdf"}],"financialInterests":"No competing interests reported.","formattedTitle":"\u003cp\u003eEffect of Vinegar-hydrogen Peroxide Mixture on Certain Properties of Pmma: An in-vitro Study\u003c/p\u003e","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":true,"highlight":"","institution":"","isAcceptedByJournal":false,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"researchsquare","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":true,"externalIdentity":"","sideBox":"","snPcode":"","submissionUrl":"/submission","title":"Research Square","twitterHandle":"researchsquare","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"","reportingPortfolio":"","inReviewEnabled":false,"inReviewRevisionsEnabled":true},"keywords":"PMMA, denture cleanser, vinegar, hydrogen peroxide, surface roughness, flexural strength, impact strength","lastPublishedDoi":"10.21203/rs.3.rs-6923120/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-6923120/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003e\u003cstrong\u003eBackground:\u003c/strong\u003ePolymethyl Methacrylate (PMMA) is widely used in dentistry for its biocompatibility, durability, and aesthetic properties. However, maintaining PMMA-based dental appliances requires effective, non-toxic, and eco-friendly cleaning methods. Vinegar and hydrogen peroxide have individually demonstrated antimicrobial properties, but their combined effects on PMMA remain unexplored.\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eAim:\u003c/strong\u003eThis in vitro study aims to evaluate the effect of a vinegar-hydrogen peroxide mixture on the surface roughness, flexural strength, and impact strength of PMMA.\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaterials and Methods:\u003c/strong\u003e A total of 108 PMMA samples were fabricated and divided into three test groups: surface roughness, flexural strength, and impact strength. Each group was further divided into two subgroups—Subgroup A (immersed in a 1:1 vinegar-hydrogen peroxide mixture) and Subgroup B (control, immersed in distilled water). Samples were soaked for 8 hours daily over 5, 10, and 30 days. 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