Thermal-cycling, simulated brushing, and beverages induced color changes and roughness of CAD/CAM poly (methyl methacrylate) denture resins
The aim of the present study was to evaluate and compare the effect of thermal-cycling, mechanical brushing and beverage storage on the colour changes and surface roughness of conventional heat-polymerized and CAD/CAM PMMA used to fabricate complete dentures. A total of 100 specimens measuring 10 mm...
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| Veröffentlicht in: | Materials research express 2021-12, Vol.8 (12), p.125401 |
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| creator | Al Taweel, Sara Mohammad Fouzan, Afnan Al Al-Otaibi, Hanan N Labban, Nawaf AlShehri, Huda A |
| description | The aim of the present study was to evaluate and compare the effect of thermal-cycling, mechanical brushing and beverage storage on the colour changes and surface roughness of conventional heat-polymerized and CAD/CAM PMMA used to fabricate complete dentures. A total of 100 specimens measuring 10 mm in diameter and 3 mm in thickness were fabricated from conventional PMMA resin (Heat-cured, Major. Base.20, Moncalieri, Italy) and CAD/CAM blocks (Opera system, Principauté de Monaco, French). The specimens were subjected to a combined surface treatment involving thermo-cycling, mechanical brushing, and immersed in either artificial saliva (AS), coffee, tea, Coca-Cola, or lemon juice. Colour differences (ΔE) and surface roughness (Ra) was determined using a spectrophotometer and non-contact profilometer, respectively. The data were analyzed using IBM SPSS v.20 (
α
= 0.05). Factorial ANOVA showed that independent factors, namely material, beverages, and the interaction between independent factors, significantly influenced ΔE (F = 76.862; p |
| doi_str_mv | 10.1088/2053-1591/ac406e |
| format | Article |
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α
= 0.05). Factorial ANOVA showed that independent factors, namely material, beverages, and the interaction between independent factors, significantly influenced ΔE (F = 76.862; p < 0.001) and surface roughness (F = 71.685; p < 0.001). The overall highest and lowest colour differences was obtained for CAD/CAM PMMA (ΔE = 1.93 ± 1.29) and conventional PMMA (ΔE = 1.41 ± 1.39) resins, respectively (p = 0.061). Conventional PMMA (1.22 ± 0.20) demonstrated significantly increased roughness compared to CAD/CAM PMMA (0.91 ± 0.17) (p < 0.001). Pearson correlation showed a low degree of correlation, which was non-significant for both the PMMA (r = 0.015; p = 0.917) and C-PMMA materials (r = 0.097; p = 0.505). CAD/CAM milled PMMA resins demonstrated greater colour change and lower surface roughness compared to conventional heat-polymerized PMMA resins. Specimens in tea and coffee demonstrated maximum colour changes and were perceivable by the human eye. On the contrary, specimens immersed in low pH acidic beverages namely Coca-Cola and lemon juice demonstrated maximum surface roughness.</description><identifier>ISSN: 2053-1591</identifier><identifier>EISSN: 2053-1591</identifier><identifier>DOI: 10.1088/2053-1591/ac406e</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>acrylic resins ; Beverages ; Brushing ; CAD/CAM ; CAM ; Coffee ; color changes ; Computer aided manufacturing ; Cycles ; Dental materials ; Dentures ; Diameters ; Polymerization ; Polymethyl methacrylate ; Profilometers ; Prostheses ; Rapid prototyping ; Resins ; roughness ; Surface roughness ; Surface treatment ; Tea ; Thermal simulation</subject><ispartof>Materials research express, 2021-12, Vol.8 (12), p.125401</ispartof><rights>2021 The Author(s). Published by IOP Publishing Ltd</rights><rights>2021. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c378t-387a0bdaed2927c501bacaca280a078b723bc71e05c4650dc8cd1e8d731a6e0e3</citedby><cites>FETCH-LOGICAL-c378t-387a0bdaed2927c501bacaca280a078b723bc71e05c4650dc8cd1e8d731a6e0e3</cites><orcidid>0000-0001-8311-8263 ; 0000-0003-2535-4641 ; 0000-0002-8681-3453</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.1088/2053-1591/ac406e/pdf$$EPDF$$P50$$Giop$$Hfree_for_read</linktopdf><link.rule.ids>314,777,781,861,2096,27905,27906,38849,38871,53821,53848</link.rule.ids></links><search><creatorcontrib>Al Taweel, Sara Mohammad</creatorcontrib><creatorcontrib>Fouzan, Afnan Al</creatorcontrib><creatorcontrib>Al-Otaibi, Hanan N</creatorcontrib><creatorcontrib>Labban, Nawaf</creatorcontrib><creatorcontrib>AlShehri, Huda A</creatorcontrib><title>Thermal-cycling, simulated brushing, and beverages induced color changes and roughness of CAD/CAM poly (methyl methacrylate) denture resins</title><title>Materials research express</title><addtitle>MRX</addtitle><addtitle>Mater. Res. Express</addtitle><description>The aim of the present study was to evaluate and compare the effect of thermal-cycling, mechanical brushing and beverage storage on the colour changes and surface roughness of conventional heat-polymerized and CAD/CAM PMMA used to fabricate complete dentures. A total of 100 specimens measuring 10 mm in diameter and 3 mm in thickness were fabricated from conventional PMMA resin (Heat-cured, Major. Base.20, Moncalieri, Italy) and CAD/CAM blocks (Opera system, Principauté de Monaco, French). The specimens were subjected to a combined surface treatment involving thermo-cycling, mechanical brushing, and immersed in either artificial saliva (AS), coffee, tea, Coca-Cola, or lemon juice. Colour differences (ΔE) and surface roughness (Ra) was determined using a spectrophotometer and non-contact profilometer, respectively. The data were analyzed using IBM SPSS v.20 (
α
= 0.05). Factorial ANOVA showed that independent factors, namely material, beverages, and the interaction between independent factors, significantly influenced ΔE (F = 76.862; p < 0.001) and surface roughness (F = 71.685; p < 0.001). The overall highest and lowest colour differences was obtained for CAD/CAM PMMA (ΔE = 1.93 ± 1.29) and conventional PMMA (ΔE = 1.41 ± 1.39) resins, respectively (p = 0.061). Conventional PMMA (1.22 ± 0.20) demonstrated significantly increased roughness compared to CAD/CAM PMMA (0.91 ± 0.17) (p < 0.001). Pearson correlation showed a low degree of correlation, which was non-significant for both the PMMA (r = 0.015; p = 0.917) and C-PMMA materials (r = 0.097; p = 0.505). CAD/CAM milled PMMA resins demonstrated greater colour change and lower surface roughness compared to conventional heat-polymerized PMMA resins. Specimens in tea and coffee demonstrated maximum colour changes and were perceivable by the human eye. On the contrary, specimens immersed in low pH acidic beverages namely Coca-Cola and lemon juice demonstrated maximum surface roughness.</description><subject>acrylic resins</subject><subject>Beverages</subject><subject>Brushing</subject><subject>CAD/CAM</subject><subject>CAM</subject><subject>Coffee</subject><subject>color changes</subject><subject>Computer aided manufacturing</subject><subject>Cycles</subject><subject>Dental materials</subject><subject>Dentures</subject><subject>Diameters</subject><subject>Polymerization</subject><subject>Polymethyl methacrylate</subject><subject>Profilometers</subject><subject>Prostheses</subject><subject>Rapid prototyping</subject><subject>Resins</subject><subject>roughness</subject><subject>Surface roughness</subject><subject>Surface treatment</subject><subject>Tea</subject><subject>Thermal simulation</subject><issn>2053-1591</issn><issn>2053-1591</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>O3W</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>DOA</sourceid><recordid>eNp1UU1v1DAQjRBIVKV3jpY4AFLDju049h5Xy1elIi7lbDn2ZJNVEgc7qchv4E_jNKhwAI-lGb9588bSy7KXFN5RUGrHQPCcij3dGVtAiU-yi0fo6V_18-wqxjMAMLnngpUX2c-7BkNvutwutmuH0zWJbT93ZkJHqjDH5gEzQ3rhPQZzwkjawc029a3vfCC2McOKrpzg51MzYIzE1-R4eL87Hr6Q0XcLedPj1CwdWZOxYVk3vCUOh2kOSALGdogvsme16SJe_c6X2bePH-6On_Pbr59ujofb3HKpppwraaByBh3bM2kF0MrYFEyBAakqyXhlJUUQtigFOKuso6ic5NSUCMgvs5tN13lz1mNoexMW7U2rHwAfTtqEqbUdauTC2lqBorQuuElHoSyFcG5f105WSevVpjUG_33GOOmzn8OQvq9ZSRmlhSogsWBj2eBjDFg_bqWgVwf1apFeLdKbg2nk9TbS-vGPZh9-aKUpS1cUQPXo6sS8_gfzv8K_ALwVq4A</recordid><startdate>20211201</startdate><enddate>20211201</enddate><creator>Al Taweel, Sara Mohammad</creator><creator>Fouzan, Afnan Al</creator><creator>Al-Otaibi, Hanan N</creator><creator>Labban, Nawaf</creator><creator>AlShehri, Huda A</creator><general>IOP Publishing</general><scope>O3W</scope><scope>TSCCA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0001-8311-8263</orcidid><orcidid>https://orcid.org/0000-0003-2535-4641</orcidid><orcidid>https://orcid.org/0000-0002-8681-3453</orcidid></search><sort><creationdate>20211201</creationdate><title>Thermal-cycling, simulated brushing, and beverages induced color changes and roughness of CAD/CAM poly (methyl methacrylate) denture resins</title><author>Al Taweel, Sara Mohammad ; Fouzan, Afnan Al ; Al-Otaibi, Hanan N ; Labban, Nawaf ; AlShehri, Huda A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c378t-387a0bdaed2927c501bacaca280a078b723bc71e05c4650dc8cd1e8d731a6e0e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>acrylic resins</topic><topic>Beverages</topic><topic>Brushing</topic><topic>CAD/CAM</topic><topic>CAM</topic><topic>Coffee</topic><topic>color changes</topic><topic>Computer aided manufacturing</topic><topic>Cycles</topic><topic>Dental materials</topic><topic>Dentures</topic><topic>Diameters</topic><topic>Polymerization</topic><topic>Polymethyl methacrylate</topic><topic>Profilometers</topic><topic>Prostheses</topic><topic>Rapid prototyping</topic><topic>Resins</topic><topic>roughness</topic><topic>Surface roughness</topic><topic>Surface treatment</topic><topic>Tea</topic><topic>Thermal simulation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Al Taweel, Sara Mohammad</creatorcontrib><creatorcontrib>Fouzan, Afnan Al</creatorcontrib><creatorcontrib>Al-Otaibi, Hanan N</creatorcontrib><creatorcontrib>Labban, Nawaf</creatorcontrib><creatorcontrib>AlShehri, Huda A</creatorcontrib><collection>IOP Publishing Free Content</collection><collection>IOPscience (Open Access)</collection><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</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>DOAJ Directory of Open Access Journals</collection><jtitle>Materials research express</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Al Taweel, Sara Mohammad</au><au>Fouzan, Afnan Al</au><au>Al-Otaibi, Hanan N</au><au>Labban, Nawaf</au><au>AlShehri, Huda A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermal-cycling, simulated brushing, and beverages induced color changes and roughness of CAD/CAM poly (methyl methacrylate) denture resins</atitle><jtitle>Materials research express</jtitle><stitle>MRX</stitle><addtitle>Mater. Res. Express</addtitle><date>2021-12-01</date><risdate>2021</risdate><volume>8</volume><issue>12</issue><spage>125401</spage><pages>125401-</pages><issn>2053-1591</issn><eissn>2053-1591</eissn><abstract>The aim of the present study was to evaluate and compare the effect of thermal-cycling, mechanical brushing and beverage storage on the colour changes and surface roughness of conventional heat-polymerized and CAD/CAM PMMA used to fabricate complete dentures. A total of 100 specimens measuring 10 mm in diameter and 3 mm in thickness were fabricated from conventional PMMA resin (Heat-cured, Major. Base.20, Moncalieri, Italy) and CAD/CAM blocks (Opera system, Principauté de Monaco, French). The specimens were subjected to a combined surface treatment involving thermo-cycling, mechanical brushing, and immersed in either artificial saliva (AS), coffee, tea, Coca-Cola, or lemon juice. Colour differences (ΔE) and surface roughness (Ra) was determined using a spectrophotometer and non-contact profilometer, respectively. The data were analyzed using IBM SPSS v.20 (
α
= 0.05). Factorial ANOVA showed that independent factors, namely material, beverages, and the interaction between independent factors, significantly influenced ΔE (F = 76.862; p < 0.001) and surface roughness (F = 71.685; p < 0.001). The overall highest and lowest colour differences was obtained for CAD/CAM PMMA (ΔE = 1.93 ± 1.29) and conventional PMMA (ΔE = 1.41 ± 1.39) resins, respectively (p = 0.061). Conventional PMMA (1.22 ± 0.20) demonstrated significantly increased roughness compared to CAD/CAM PMMA (0.91 ± 0.17) (p < 0.001). Pearson correlation showed a low degree of correlation, which was non-significant for both the PMMA (r = 0.015; p = 0.917) and C-PMMA materials (r = 0.097; p = 0.505). CAD/CAM milled PMMA resins demonstrated greater colour change and lower surface roughness compared to conventional heat-polymerized PMMA resins. Specimens in tea and coffee demonstrated maximum colour changes and were perceivable by the human eye. On the contrary, specimens immersed in low pH acidic beverages namely Coca-Cola and lemon juice demonstrated maximum surface roughness.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><doi>10.1088/2053-1591/ac406e</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0001-8311-8263</orcidid><orcidid>https://orcid.org/0000-0003-2535-4641</orcidid><orcidid>https://orcid.org/0000-0002-8681-3453</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | acrylic resins Beverages Brushing CAD/CAM CAM Coffee color changes Computer aided manufacturing Cycles Dental materials Dentures Diameters Polymerization Polymethyl methacrylate Profilometers Prostheses Rapid prototyping Resins roughness Surface roughness Surface treatment Tea Thermal simulation |
| title | Thermal-cycling, simulated brushing, and beverages induced color changes and roughness of CAD/CAM poly (methyl methacrylate) denture resins |
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