Effect of solvent/disinfectant ethanol on the micro-surface structure and properties of multiphase denture base polymers
The aim of this study was to evaluate the effect of solvent/disinfectant ethanol on the surface of denture base polymers. Changes in surface roughness, topography and some nanomechanical properties were assessed by SEM and nanoindentation plotted against different concentrations of ethanol on heat c...
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| Veröffentlicht in: | Journal of the mechanical behavior of biomedical materials 2016-02, Vol.54, p.1-7 |
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| creator | Basavarajappa, Santhosh Al-Kheraif, Abdul Aziz Abdullah ElSharawy, Mohamed Vallittu, Pekka K. |
| description | The aim of this study was to evaluate the effect of solvent/disinfectant ethanol on the surface of denture base polymers. Changes in surface roughness, topography and some nanomechanical properties were assessed by SEM and nanoindentation plotted against different concentrations of ethanol on heat cured and autopolymerized polymetyl methacrylate based acrylic denture base polymers.
Test specimens (10×10×3mm3) of heat-curing (HC) and auto-polymerizing (AP) acrylic resin were prepared and polished to obtain uniform smoothness which were further grouped into 3 sub-groups HC1, HC2, HC3 and AP1, AP2, AP3 respectively 10 specimens (n) in each group. HC1 and AP1, HC2 and AP2, HC3 and AP3 were treated with 99.9%, 70% and 40% respectively for 30, 60 and 120s followed by analysis of surface roughness (Sa), topographical changes and some nanomechanical properties.
Both HC and AP resins showed changes in their Sa and nanomechanically measured modulus of elasticity and surface hardness after being treated at different concentrations of ethanol and at different lengths of time. Surface changes were most clearly seen in autopolymerizing denture base polymer, especially at the interface region between the PMMA polymer bead and polymer matrix. There was a correlation (R2=0.83, r=0.91, P |
| doi_str_mv | 10.1016/j.jmbbm.2015.09.007 |
| format | Article |
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Test specimens (10×10×3mm3) of heat-curing (HC) and auto-polymerizing (AP) acrylic resin were prepared and polished to obtain uniform smoothness which were further grouped into 3 sub-groups HC1, HC2, HC3 and AP1, AP2, AP3 respectively 10 specimens (n) in each group. HC1 and AP1, HC2 and AP2, HC3 and AP3 were treated with 99.9%, 70% and 40% respectively for 30, 60 and 120s followed by analysis of surface roughness (Sa), topographical changes and some nanomechanical properties.
Both HC and AP resins showed changes in their Sa and nanomechanically measured modulus of elasticity and surface hardness after being treated at different concentrations of ethanol and at different lengths of time. Surface changes were most clearly seen in autopolymerizing denture base polymer, especially at the interface region between the PMMA polymer bead and polymer matrix. There was a correlation (R2=0.83, r=0.91, P<0.001) between the time of treatment by ethanol and thickness of the affected area of denture base polymer.
The present study demonstrated that denture base polymers, especially autopolymerized denture base polymer is prone for surface crazing and dissolving by solvent/disinfectant ethanol. The interphase region between the PMMA polymer bead and the polymer matrix was most affected by the ethanol.</description><identifier>ISSN: 1751-6161</identifier><identifier>EISSN: 1878-0180</identifier><identifier>DOI: 10.1016/j.jmbbm.2015.09.007</identifier><identifier>PMID: 26410760</identifier><language>eng</language><publisher>Netherlands: Elsevier Ltd</publisher><subject>Acrylic resin ; Beads ; Crazing ; Dental materials ; Denture Bases ; Dentures ; Disinfectant ; Disinfectants - chemistry ; Dissolving ; Ethanol ; Ethanol - chemistry ; Ethyl alcohol ; Hot Temperature ; Nanostructure ; PMMA ; Polymerization ; Polymethyl Methacrylate - chemistry ; Prosthetics ; Solvents ; Solvents - chemistry ; Surface Properties</subject><ispartof>Journal of the mechanical behavior of biomedical materials, 2016-02, Vol.54, p.1-7</ispartof><rights>2015 Elsevier Ltd</rights><rights>Copyright © 2015 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c458t-59c38fd758b68d7c538c06d704545069a4eb4dc74da94b617ac936b45f47a3ea3</citedby><cites>FETCH-LOGICAL-c458t-59c38fd758b68d7c538c06d704545069a4eb4dc74da94b617ac936b45f47a3ea3</cites><orcidid>0000-0001-8895-0008</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jmbbm.2015.09.007$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26410760$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Basavarajappa, Santhosh</creatorcontrib><creatorcontrib>Al-Kheraif, Abdul Aziz Abdullah</creatorcontrib><creatorcontrib>ElSharawy, Mohamed</creatorcontrib><creatorcontrib>Vallittu, Pekka K.</creatorcontrib><title>Effect of solvent/disinfectant ethanol on the micro-surface structure and properties of multiphase denture base polymers</title><title>Journal of the mechanical behavior of biomedical materials</title><addtitle>J Mech Behav Biomed Mater</addtitle><description>The aim of this study was to evaluate the effect of solvent/disinfectant ethanol on the surface of denture base polymers. Changes in surface roughness, topography and some nanomechanical properties were assessed by SEM and nanoindentation plotted against different concentrations of ethanol on heat cured and autopolymerized polymetyl methacrylate based acrylic denture base polymers.
Test specimens (10×10×3mm3) of heat-curing (HC) and auto-polymerizing (AP) acrylic resin were prepared and polished to obtain uniform smoothness which were further grouped into 3 sub-groups HC1, HC2, HC3 and AP1, AP2, AP3 respectively 10 specimens (n) in each group. HC1 and AP1, HC2 and AP2, HC3 and AP3 were treated with 99.9%, 70% and 40% respectively for 30, 60 and 120s followed by analysis of surface roughness (Sa), topographical changes and some nanomechanical properties.
Both HC and AP resins showed changes in their Sa and nanomechanically measured modulus of elasticity and surface hardness after being treated at different concentrations of ethanol and at different lengths of time. Surface changes were most clearly seen in autopolymerizing denture base polymer, especially at the interface region between the PMMA polymer bead and polymer matrix. There was a correlation (R2=0.83, r=0.91, P<0.001) between the time of treatment by ethanol and thickness of the affected area of denture base polymer.
The present study demonstrated that denture base polymers, especially autopolymerized denture base polymer is prone for surface crazing and dissolving by solvent/disinfectant ethanol. The interphase region between the PMMA polymer bead and the polymer matrix was most affected by the ethanol.</description><subject>Acrylic resin</subject><subject>Beads</subject><subject>Crazing</subject><subject>Dental materials</subject><subject>Denture Bases</subject><subject>Dentures</subject><subject>Disinfectant</subject><subject>Disinfectants - chemistry</subject><subject>Dissolving</subject><subject>Ethanol</subject><subject>Ethanol - chemistry</subject><subject>Ethyl alcohol</subject><subject>Hot Temperature</subject><subject>Nanostructure</subject><subject>PMMA</subject><subject>Polymerization</subject><subject>Polymethyl Methacrylate - chemistry</subject><subject>Prosthetics</subject><subject>Solvents</subject><subject>Solvents - chemistry</subject><subject>Surface Properties</subject><issn>1751-6161</issn><issn>1878-0180</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkTtvFTEQhS0EIg_4BUjIJc1uxlk_CwoUBYIUiQZqy2vP6vpqX9jeiPx7vLmBEiqPR9-cGZ1DyDsGLQMmr47tcer7qb0GJlowLYB6Qc6ZVroBpuFlrZVgjWSSnZGLnI8AEkDr1-TsWnIGSsI5-XU7DOgLXQaal_EB53IVYo7z3nRzoVgObl5Gusy0HJBO0aelyVsanEeaS9p82RJSNwe6pmXFVCLmXW3axhLXg8tIQ1XdoX7_rMv4OGHKb8irwY0Z3z6_l-TH59vvN3fN_bcvX28-3TeeC10aYXynh6CE7qUOyotOe5BBARdcgDSOY8-DVzw4w3vJlPOmkz0XA1euQ9ddkg8n3Xrezw1zsVPMHsfRzbhs2TLNJHQgQPwfrXYawwyoinYntNqRc8LBrilOLj1aBnZPxx7tUzp2T8eCsfA09f55wdZPGP7O_ImjAh9PAFZHHiImm33E2WOIqQZiwxL_ueA3xDGjeg</recordid><startdate>201602</startdate><enddate>201602</enddate><creator>Basavarajappa, Santhosh</creator><creator>Al-Kheraif, Abdul Aziz Abdullah</creator><creator>ElSharawy, Mohamed</creator><creator>Vallittu, Pekka K.</creator><general>Elsevier Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0001-8895-0008</orcidid></search><sort><creationdate>201602</creationdate><title>Effect of solvent/disinfectant ethanol on the micro-surface structure and properties of multiphase denture base polymers</title><author>Basavarajappa, Santhosh ; Al-Kheraif, Abdul Aziz Abdullah ; ElSharawy, Mohamed ; Vallittu, Pekka K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c458t-59c38fd758b68d7c538c06d704545069a4eb4dc74da94b617ac936b45f47a3ea3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Acrylic resin</topic><topic>Beads</topic><topic>Crazing</topic><topic>Dental materials</topic><topic>Denture Bases</topic><topic>Dentures</topic><topic>Disinfectant</topic><topic>Disinfectants - chemistry</topic><topic>Dissolving</topic><topic>Ethanol</topic><topic>Ethanol - chemistry</topic><topic>Ethyl alcohol</topic><topic>Hot Temperature</topic><topic>Nanostructure</topic><topic>PMMA</topic><topic>Polymerization</topic><topic>Polymethyl Methacrylate - chemistry</topic><topic>Prosthetics</topic><topic>Solvents</topic><topic>Solvents - chemistry</topic><topic>Surface Properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Basavarajappa, Santhosh</creatorcontrib><creatorcontrib>Al-Kheraif, Abdul Aziz Abdullah</creatorcontrib><creatorcontrib>ElSharawy, Mohamed</creatorcontrib><creatorcontrib>Vallittu, Pekka K.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of the mechanical behavior of biomedical materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Basavarajappa, Santhosh</au><au>Al-Kheraif, Abdul Aziz Abdullah</au><au>ElSharawy, Mohamed</au><au>Vallittu, Pekka K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of solvent/disinfectant ethanol on the micro-surface structure and properties of multiphase denture base polymers</atitle><jtitle>Journal of the mechanical behavior of biomedical materials</jtitle><addtitle>J Mech Behav Biomed Mater</addtitle><date>2016-02</date><risdate>2016</risdate><volume>54</volume><spage>1</spage><epage>7</epage><pages>1-7</pages><issn>1751-6161</issn><eissn>1878-0180</eissn><abstract>The aim of this study was to evaluate the effect of solvent/disinfectant ethanol on the surface of denture base polymers. Changes in surface roughness, topography and some nanomechanical properties were assessed by SEM and nanoindentation plotted against different concentrations of ethanol on heat cured and autopolymerized polymetyl methacrylate based acrylic denture base polymers.
Test specimens (10×10×3mm3) of heat-curing (HC) and auto-polymerizing (AP) acrylic resin were prepared and polished to obtain uniform smoothness which were further grouped into 3 sub-groups HC1, HC2, HC3 and AP1, AP2, AP3 respectively 10 specimens (n) in each group. HC1 and AP1, HC2 and AP2, HC3 and AP3 were treated with 99.9%, 70% and 40% respectively for 30, 60 and 120s followed by analysis of surface roughness (Sa), topographical changes and some nanomechanical properties.
Both HC and AP resins showed changes in their Sa and nanomechanically measured modulus of elasticity and surface hardness after being treated at different concentrations of ethanol and at different lengths of time. Surface changes were most clearly seen in autopolymerizing denture base polymer, especially at the interface region between the PMMA polymer bead and polymer matrix. There was a correlation (R2=0.83, r=0.91, P<0.001) between the time of treatment by ethanol and thickness of the affected area of denture base polymer.
The present study demonstrated that denture base polymers, especially autopolymerized denture base polymer is prone for surface crazing and dissolving by solvent/disinfectant ethanol. The interphase region between the PMMA polymer bead and the polymer matrix was most affected by the ethanol.</abstract><cop>Netherlands</cop><pub>Elsevier Ltd</pub><pmid>26410760</pmid><doi>10.1016/j.jmbbm.2015.09.007</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-8895-0008</orcidid></addata></record> |
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| subjects | Acrylic resin Beads Crazing Dental materials Denture Bases Dentures Disinfectant Disinfectants - chemistry Dissolving Ethanol Ethanol - chemistry Ethyl alcohol Hot Temperature Nanostructure PMMA Polymerization Polymethyl Methacrylate - chemistry Prosthetics Solvents Solvents - chemistry Surface Properties |
| title | Effect of solvent/disinfectant ethanol on the micro-surface structure and properties of multiphase denture base polymers |
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