The Effect of Curing Modes and Times of Third-Generation Led LCU on the Mechanical Properties of Nanocomposites
This study evaluates the effect of curing modes and times on the mechanical properties of nanocomposites. Two nanocomposite resins were investigated: supra-nanohybrid (Estelite Posterior Quick; EP) and nanohybrid (Solare X; SX). They were polymerized with a light-emitting diode light-curing units (L...
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| Veröffentlicht in: | Odovtos 2022-09, Vol.24 (3), p.255-268 |
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| creator | Oglakci, Burcu Enginler Özlen, Rümeysa Hatice Demirkol, Metehan Özduman, Zümrüt Ceren Kucukyildirim, Bedri Onur Eliguzeloglu Dalkilic, Evrim |
| description | This study evaluates the effect of curing modes and times on the mechanical properties of nanocomposites. Two nanocomposite resins were investigated: supra-nanohybrid (Estelite Posterior Quick; EP) and nanohybrid (Solare X; SX). They were polymerized with a light-emitting diode light-curing units (LED LCU, Valo) as follows: standard mode for 20s (ST20), high power mode for 12s (HP12), high power mode for 20s (HP20), extra power mode for 6s (XP6), and extra power mode for 20s (XP20). For Vickers microhardness (HV), disc-shaped specimens were fabricated (n=10). For the three-point bending test, bar-shaped specimens were fabricated (n=10). Flexural strength and resilience modulus were calculated. The fractured surfaces and specimen surfaces of composites were observed using scanning electron microscopy. The data were analyzed with repeated measures ANOVA, two-way variance, and Bonferroni tests (p |
| doi_str_mv | 10.15517/ijds.2022.49836 |
| format | Article |
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Two nanocomposite resins were investigated: supra-nanohybrid (Estelite Posterior Quick; EP) and nanohybrid (Solare X; SX). They were polymerized with a light-emitting diode light-curing units (LED LCU, Valo) as follows: standard mode for 20s (ST20), high power mode for 12s (HP12), high power mode for 20s (HP20), extra power mode for 6s (XP6), and extra power mode for 20s (XP20). For Vickers microhardness (HV), disc-shaped specimens were fabricated (n=10). For the three-point bending test, bar-shaped specimens were fabricated (n=10). Flexural strength and resilience modulus were calculated. The fractured surfaces and specimen surfaces of composites were observed using scanning electron microscopy. The data were analyzed with repeated measures ANOVA, two-way variance, and Bonferroni tests (p<0.05). On the top and bottom surfaces of the EP nanocomposite resin, ST20 and HP12 revealed statistically higher HV than with XP6. Moreover, HP20 and XP20 had statistically higher HV than HP12 and XP6. For the SX nanocomposite resin, HP20 had statistically higher HV than HP12. For EP and SX, there were no significant differences in flexural strength and resilience modulus regarding the curing modes and times. Furthermore, SX demonstrated lower mechanical properties than EP. Scanning electron microscopy indicated that both nanocomposites had similar surface appearances. However, with all curing modes and times, SX exhibited layered fractures and more crack formations than EP. Different curing modes and times could influence the microhardness of nanocomposites.</description><identifier>ISSN: 1659-1046</identifier><identifier>ISSN: 2215-3411</identifier><identifier>EISSN: 2215-3411</identifier><identifier>DOI: 10.15517/ijds.2022.49836</identifier><language>eng</language><publisher>San Jose: Universidad de Costa Rica, Facultad de Odontologia</publisher><subject>Composite materials ; Curing ; Curing modes ; Curing times ; Flexión ; Flexural performance ; Fotocurado ; LED ; Light emitting diodes ; Mechanical properties ; Medicine, Research & Experimental ; Microdureza ; Microhardness ; Nanocomposite ; Nanocomposites ; Nanocompuesto ; Polyesters ; Polymerization ; Resins ; Scanning electron microscopy ; Software ; Statistical analysis ; Variance analysis</subject><ispartof>Odovtos, 2022-09, Vol.24 (3), p.255-268</ispartof><rights>2022. This work is published under https://creativecommons.org/licenses/by-nc-sa/4.0/deed.es (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 International License.</rights><rights>LICENCIA DE USO: Los documentos a texto completo incluidos en Dialnet son de acceso libre y propiedad de sus autores y/o editores. Por tanto, cualquier acto de reproducción, distribución, comunicación pública y/o transformación total o parcial requiere el consentimiento expreso y escrito de aquéllos. Cualquier enlace al texto completo de estos documentos deberá hacerse a través de la URL oficial de éstos en Dialnet. Más información: https://dialnet.unirioja.es/info/derechosOAI | INTELLECTUAL PROPERTY RIGHTS STATEMENT: Full text documents hosted by Dialnet are protected by copyright and/or related rights. This digital object is accessible without charge, but its use is subject to the licensing conditions set by its authors or editors. Unless expressly stated otherwise in the licensing conditions, you are free to linking, browsing, printing and making a copy for your own personal purposes. All other acts of reproduction and communication to the public are subject to the licensing conditions expressed by editors and authors and require consent from them. Any link to this document should be made using its official URL in Dialnet. More info: https://dialnet.unirioja.es/info/derechosOAI</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0003-4738-6476 ; 0000-0002-0399-5467 ; 0000-0003-2648-1730 ; 0000-0002-6587-5997 ; 0000-0002-0945-5058 ; 0000-0002-1075-9278</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,870,881,27901,27902</link.rule.ids></links><search><creatorcontrib>Oglakci, Burcu</creatorcontrib><creatorcontrib>Enginler Özlen, Rümeysa Hatice</creatorcontrib><creatorcontrib>Demirkol, Metehan</creatorcontrib><creatorcontrib>Özduman, Zümrüt Ceren</creatorcontrib><creatorcontrib>Kucukyildirim, Bedri Onur</creatorcontrib><creatorcontrib>Eliguzeloglu Dalkilic, Evrim</creatorcontrib><title>The Effect of Curing Modes and Times of Third-Generation Led LCU on the Mechanical Properties of Nanocomposites</title><title>Odovtos</title><addtitle>Odovtos</addtitle><description>This study evaluates the effect of curing modes and times on the mechanical properties of nanocomposites. Two nanocomposite resins were investigated: supra-nanohybrid (Estelite Posterior Quick; EP) and nanohybrid (Solare X; SX). They were polymerized with a light-emitting diode light-curing units (LED LCU, Valo) as follows: standard mode for 20s (ST20), high power mode for 12s (HP12), high power mode for 20s (HP20), extra power mode for 6s (XP6), and extra power mode for 20s (XP20). For Vickers microhardness (HV), disc-shaped specimens were fabricated (n=10). For the three-point bending test, bar-shaped specimens were fabricated (n=10). Flexural strength and resilience modulus were calculated. The fractured surfaces and specimen surfaces of composites were observed using scanning electron microscopy. The data were analyzed with repeated measures ANOVA, two-way variance, and Bonferroni tests (p<0.05). On the top and bottom surfaces of the EP nanocomposite resin, ST20 and HP12 revealed statistically higher HV than with XP6. Moreover, HP20 and XP20 had statistically higher HV than HP12 and XP6. For the SX nanocomposite resin, HP20 had statistically higher HV than HP12. For EP and SX, there were no significant differences in flexural strength and resilience modulus regarding the curing modes and times. Furthermore, SX demonstrated lower mechanical properties than EP. Scanning electron microscopy indicated that both nanocomposites had similar surface appearances. However, with all curing modes and times, SX exhibited layered fractures and more crack formations than EP. Different curing modes and times could influence the microhardness of nanocomposites.</description><subject>Composite materials</subject><subject>Curing</subject><subject>Curing modes</subject><subject>Curing times</subject><subject>Flexión</subject><subject>Flexural performance</subject><subject>Fotocurado</subject><subject>LED</subject><subject>Light emitting diodes</subject><subject>Mechanical properties</subject><subject>Medicine, Research & Experimental</subject><subject>Microdureza</subject><subject>Microhardness</subject><subject>Nanocomposite</subject><subject>Nanocomposites</subject><subject>Nanocompuesto</subject><subject>Polyesters</subject><subject>Polymerization</subject><subject>Resins</subject><subject>Scanning electron microscopy</subject><subject>Software</subject><subject>Statistical analysis</subject><subject>Variance analysis</subject><issn>1659-1046</issn><issn>2215-3411</issn><issn>2215-3411</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><sourceid>FKZ</sourceid><recordid>eNpFkc1P3DAQxS1EJVaUO0dLPWfxdxKpF7SiUGn5EA1ny7EnrFe79tbOHvjvcUgLB8uj8fyexu8hdEnJkkpJ6yu_dXnJCGNL0TZcnaAFY1RWXFB6ihZUybaiRKgzdJHzlhBCW9YwIRYodhvAN8MAdsRxwKtj8uEV30cHGZvgcOf3pSov3cYnV91CgGRGHwNeg8Pr1Qsu5Vg07sFuTPDW7PBTigdIo5_BBxOijftDzH6E_B19G8wuw8W_-xy9_LrpVnfV-vH29-p6XVkum7FS5VvE9rJRDa95SxnreU8NlyCNY70buOoNKEKgpTVzjbRsIKrlqpakpiD4Ofo56zpvdgFGfUh-b9Kbjsbr_71j8MnHrdGQ9fVzN_miik0NK_hyxrP1sIt6G48plH31n8lXPfk6uV0IXo6iBfgxA4cU_x4hj18IJ1zUQjHRlCkyT9kUc04wfK5Fif5IUk9J6klbfyTJ3wGq1o2t</recordid><startdate>20220901</startdate><enddate>20220901</enddate><creator>Oglakci, Burcu</creator><creator>Enginler Özlen, Rümeysa Hatice</creator><creator>Demirkol, Metehan</creator><creator>Özduman, Zümrüt Ceren</creator><creator>Kucukyildirim, Bedri Onur</creator><creator>Eliguzeloglu Dalkilic, Evrim</creator><general>Universidad de Costa Rica, Facultad de Odontologia</general><general>Facultad de Odontología. Universidad de Costa Rica</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M7P</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>GPN</scope><scope>AGMXS</scope><scope>FKZ</scope><orcidid>https://orcid.org/0000-0003-4738-6476</orcidid><orcidid>https://orcid.org/0000-0002-0399-5467</orcidid><orcidid>https://orcid.org/0000-0003-2648-1730</orcidid><orcidid>https://orcid.org/0000-0002-6587-5997</orcidid><orcidid>https://orcid.org/0000-0002-0945-5058</orcidid><orcidid>https://orcid.org/0000-0002-1075-9278</orcidid></search><sort><creationdate>20220901</creationdate><title>The Effect of Curing Modes and Times of Third-Generation Led LCU on the Mechanical Properties of Nanocomposites</title><author>Oglakci, Burcu ; Enginler Özlen, Rümeysa Hatice ; Demirkol, Metehan ; Özduman, Zümrüt Ceren ; Kucukyildirim, Bedri Onur ; Eliguzeloglu Dalkilic, Evrim</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c358t-61550cb58683739122b3b1a35e5ad2bdf36bae600e9172d85c2f0693675071e43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Composite materials</topic><topic>Curing</topic><topic>Curing modes</topic><topic>Curing times</topic><topic>Flexión</topic><topic>Flexural performance</topic><topic>Fotocurado</topic><topic>LED</topic><topic>Light emitting diodes</topic><topic>Mechanical properties</topic><topic>Medicine, Research & Experimental</topic><topic>Microdureza</topic><topic>Microhardness</topic><topic>Nanocomposite</topic><topic>Nanocomposites</topic><topic>Nanocompuesto</topic><topic>Polyesters</topic><topic>Polymerization</topic><topic>Resins</topic><topic>Scanning electron microscopy</topic><topic>Software</topic><topic>Statistical analysis</topic><topic>Variance analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Oglakci, Burcu</creatorcontrib><creatorcontrib>Enginler Özlen, Rümeysa Hatice</creatorcontrib><creatorcontrib>Demirkol, Metehan</creatorcontrib><creatorcontrib>Özduman, Zümrüt Ceren</creatorcontrib><creatorcontrib>Kucukyildirim, Bedri Onur</creatorcontrib><creatorcontrib>Eliguzeloglu Dalkilic, Evrim</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Biological Science Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>SciELO</collection><collection>Dialnet (Open Access Full Text)</collection><collection>Dialnet</collection><jtitle>Odovtos</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Oglakci, Burcu</au><au>Enginler Özlen, Rümeysa Hatice</au><au>Demirkol, Metehan</au><au>Özduman, Zümrüt Ceren</au><au>Kucukyildirim, Bedri Onur</au><au>Eliguzeloglu Dalkilic, Evrim</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Effect of Curing Modes and Times of Third-Generation Led LCU on the Mechanical Properties of Nanocomposites</atitle><jtitle>Odovtos</jtitle><addtitle>Odovtos</addtitle><date>2022-09-01</date><risdate>2022</risdate><volume>24</volume><issue>3</issue><spage>255</spage><epage>268</epage><pages>255-268</pages><issn>1659-1046</issn><issn>2215-3411</issn><eissn>2215-3411</eissn><abstract>This study evaluates the effect of curing modes and times on the mechanical properties of nanocomposites. Two nanocomposite resins were investigated: supra-nanohybrid (Estelite Posterior Quick; EP) and nanohybrid (Solare X; SX). They were polymerized with a light-emitting diode light-curing units (LED LCU, Valo) as follows: standard mode for 20s (ST20), high power mode for 12s (HP12), high power mode for 20s (HP20), extra power mode for 6s (XP6), and extra power mode for 20s (XP20). For Vickers microhardness (HV), disc-shaped specimens were fabricated (n=10). For the three-point bending test, bar-shaped specimens were fabricated (n=10). Flexural strength and resilience modulus were calculated. The fractured surfaces and specimen surfaces of composites were observed using scanning electron microscopy. The data were analyzed with repeated measures ANOVA, two-way variance, and Bonferroni tests (p<0.05). On the top and bottom surfaces of the EP nanocomposite resin, ST20 and HP12 revealed statistically higher HV than with XP6. Moreover, HP20 and XP20 had statistically higher HV than HP12 and XP6. For the SX nanocomposite resin, HP20 had statistically higher HV than HP12. For EP and SX, there were no significant differences in flexural strength and resilience modulus regarding the curing modes and times. Furthermore, SX demonstrated lower mechanical properties than EP. Scanning electron microscopy indicated that both nanocomposites had similar surface appearances. However, with all curing modes and times, SX exhibited layered fractures and more crack formations than EP. Different curing modes and times could influence the microhardness of nanocomposites.</abstract><cop>San Jose</cop><pub>Universidad de Costa Rica, Facultad de Odontologia</pub><doi>10.15517/ijds.2022.49836</doi><tpages>14</tpages><orcidid>https://orcid.org/0000-0003-4738-6476</orcidid><orcidid>https://orcid.org/0000-0002-0399-5467</orcidid><orcidid>https://orcid.org/0000-0003-2648-1730</orcidid><orcidid>https://orcid.org/0000-0002-6587-5997</orcidid><orcidid>https://orcid.org/0000-0002-0945-5058</orcidid><orcidid>https://orcid.org/0000-0002-1075-9278</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Composite materials Curing Curing modes Curing times Flexión Flexural performance Fotocurado LED Light emitting diodes Mechanical properties Medicine, Research & Experimental Microdureza Microhardness Nanocomposite Nanocomposites Nanocompuesto Polyesters Polymerization Resins Scanning electron microscopy Software Statistical analysis Variance analysis |
| title | The Effect of Curing Modes and Times of Third-Generation Led LCU on the Mechanical Properties of Nanocomposites |
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