Viscoelastic stability of pre-cured resin-composite CAD/CAM structures
To study the effect of water storage (3 months) on the creep deformation and recovery of CAD/CAM composite materials to determine their viscoelastic stability. Five CAD/CAM composite blocks, with increasing filler loading, and one polymer-infiltrated ceramic network (PICN) were studied. Six specimen...
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| Veröffentlicht in: | Dental materials 2019-08, Vol.35 (8), p.1166-1172 |
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| creator | Alamoush, Rasha A. Satterthwaite, Julian D. Silikas, Nick Watts, D.C. |
| description | To study the effect of water storage (3 months) on the creep deformation and recovery of CAD/CAM composite materials to determine their viscoelastic stability.
Five CAD/CAM composite blocks, with increasing filler loading, and one polymer-infiltrated ceramic network (PICN) were studied. Six specimens of each material were separated into two groups (n=3) according to their storage conditions (24 h dry storage at 23°C versus 3 months storage in 37°C distilled water). A constant static compressive stress of 20 MPa was applied on each specimen via a loading pin for 2 h followed by unloading and monitoring strain recovery for a further period of 2 h. The maximum creep-strain (%) and permanent set (%) were recorded. Data were analysed via two-way ANOVA followed by one-way ANOVA and Bonferroni post hoc tests ( |
| doi_str_mv | 10.1016/j.dental.2019.05.007 |
| format | Article |
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Five CAD/CAM composite blocks, with increasing filler loading, and one polymer-infiltrated ceramic network (PICN) were studied. Six specimens of each material were separated into two groups (n=3) according to their storage conditions (24 h dry storage at 23°C versus 3 months storage in 37°C distilled water). A constant static compressive stress of 20 MPa was applied on each specimen via a loading pin for 2 h followed by unloading and monitoring strain recovery for a further period of 2 h. The maximum creep-strain (%) and permanent set (%) were recorded. Data were analysed via two-way ANOVA followed by one-way ANOVA and Bonferroni post hoc tests (<0.05) for comparisons between the materials. Homogeneity of variance was calculated via Levene’s statistics.
The maximum creep strain after 24 h dry ranged from 0.45% to 1.09% and increased after 3-month storage in distilled water to between 0.71% and 1.85%. The permanent set after 24 h dry storage ranged from 0.033% to 0.15% and increased after 3-month water storage to between 0.087% and 0.18%. The maximum creep strain also reduced with increasing filler loading.
The PICN material exhibited superior dimensional stability to all of the pre-cured resin composite blocks in both storage conditions with deformation being predominantly elastic rather than viscoelastic. Notwithstanding, two of the resin-matrix composite blocks approached the PICN performance, when dry, but less so after water storage.</description><identifier>ISSN: 0109-5641</identifier><identifier>EISSN: 1879-0097</identifier><identifier>DOI: 10.1016/j.dental.2019.05.007</identifier><identifier>PMID: 31146959</identifier><language>eng</language><publisher>England: Elsevier Inc</publisher><subject>CAD/CAM ; CAD/CAM composite blocks ; CAM ; Ceramics ; Composite materials ; Composite Resins ; Compressive properties ; Computer aided manufacturing ; Computer-Aided Design ; Creep ; Creep strength ; Deformation ; Deformation effects ; Dental restorative materials ; Dental Stress Analysis ; Dentistry ; Dimensional stability ; Distilled water ; Elastic deformation ; Homogeneity ; Materials Testing ; Polymer-infiltrated ceramic network ; Recovery ; Resin matrix composites ; Storage conditions ; Strain ; Surface Properties ; Unloading ; Variance analysis ; Viscoelastic stability ; Viscoelasticity ; Water storage</subject><ispartof>Dental materials, 2019-08, Vol.35 (8), p.1166-1172</ispartof><rights>2019 The Academy of Dental Materials</rights><rights>Copyright © 2019 The Academy of Dental Materials. Published by Elsevier Inc. All rights reserved.</rights><rights>Copyright Elsevier BV Aug 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c436t-3b09401f6770eb92d12c709a990fb7e08a1195123d321fc0968d7ceaf04db18b3</citedby><cites>FETCH-LOGICAL-c436t-3b09401f6770eb92d12c709a990fb7e08a1195123d321fc0968d7ceaf04db18b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0109564119302593$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31146959$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Alamoush, Rasha A.</creatorcontrib><creatorcontrib>Satterthwaite, Julian D.</creatorcontrib><creatorcontrib>Silikas, Nick</creatorcontrib><creatorcontrib>Watts, D.C.</creatorcontrib><title>Viscoelastic stability of pre-cured resin-composite CAD/CAM structures</title><title>Dental materials</title><addtitle>Dent Mater</addtitle><description>To study the effect of water storage (3 months) on the creep deformation and recovery of CAD/CAM composite materials to determine their viscoelastic stability.
Five CAD/CAM composite blocks, with increasing filler loading, and one polymer-infiltrated ceramic network (PICN) were studied. Six specimens of each material were separated into two groups (n=3) according to their storage conditions (24 h dry storage at 23°C versus 3 months storage in 37°C distilled water). A constant static compressive stress of 20 MPa was applied on each specimen via a loading pin for 2 h followed by unloading and monitoring strain recovery for a further period of 2 h. The maximum creep-strain (%) and permanent set (%) were recorded. Data were analysed via two-way ANOVA followed by one-way ANOVA and Bonferroni post hoc tests (<0.05) for comparisons between the materials. Homogeneity of variance was calculated via Levene’s statistics.
The maximum creep strain after 24 h dry ranged from 0.45% to 1.09% and increased after 3-month storage in distilled water to between 0.71% and 1.85%. The permanent set after 24 h dry storage ranged from 0.033% to 0.15% and increased after 3-month water storage to between 0.087% and 0.18%. The maximum creep strain also reduced with increasing filler loading.
The PICN material exhibited superior dimensional stability to all of the pre-cured resin composite blocks in both storage conditions with deformation being predominantly elastic rather than viscoelastic. Notwithstanding, two of the resin-matrix composite blocks approached the PICN performance, when dry, but less so after water storage.</description><subject>CAD/CAM</subject><subject>CAD/CAM composite blocks</subject><subject>CAM</subject><subject>Ceramics</subject><subject>Composite materials</subject><subject>Composite Resins</subject><subject>Compressive properties</subject><subject>Computer aided manufacturing</subject><subject>Computer-Aided Design</subject><subject>Creep</subject><subject>Creep strength</subject><subject>Deformation</subject><subject>Deformation effects</subject><subject>Dental restorative materials</subject><subject>Dental Stress Analysis</subject><subject>Dentistry</subject><subject>Dimensional stability</subject><subject>Distilled water</subject><subject>Elastic deformation</subject><subject>Homogeneity</subject><subject>Materials Testing</subject><subject>Polymer-infiltrated ceramic network</subject><subject>Recovery</subject><subject>Resin matrix composites</subject><subject>Storage conditions</subject><subject>Strain</subject><subject>Surface Properties</subject><subject>Unloading</subject><subject>Variance analysis</subject><subject>Viscoelastic stability</subject><subject>Viscoelasticity</subject><subject>Water storage</subject><issn>0109-5641</issn><issn>1879-0097</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp90MFO3DAQgGGrKioL5Q0QitQLl4SZOInjC9JqKRSJqpeWq-XYE8mrbLzYDhJvX6OlHDj05Ms349HP2DlChYDd1bayNCc9VTWgrKCtAMQntsJeyBJAis9sBQiybLsGj9lJjFsAaGqJX9gxR2w62coVu3100XiadEzOFDHpwU0uvRR-LPaBSrMEskWg6ObS-N3eR5eo2Kxvrjbrn5mHxaRM4ld2NOop0tnbe8r-3H7_vflRPvy6u9-sH0rT8C6VfADZAI6dEECDrC3WRoDUUsI4CIJeI8oWa255jaMB2fVWGNIjNHbAfuCn7PKwdx_800IxqV2-n6ZJz-SXqOqa877tuZSZfvtAt34Jc74uq07ynveizao5KBN8jIFGtQ9up8OLQlCvndVWHTqr184KWpU757GLt-XLsCP7PvQvbAbXB0C5xrOjoKJxNBuyLpBJynr3_x_-AsxjjrE</recordid><startdate>201908</startdate><enddate>201908</enddate><creator>Alamoush, Rasha A.</creator><creator>Satterthwaite, Julian D.</creator><creator>Silikas, Nick</creator><creator>Watts, D.C.</creator><general>Elsevier Inc</general><general>Elsevier BV</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>7QF</scope><scope>7QO</scope><scope>7QP</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>K9.</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>201908</creationdate><title>Viscoelastic stability of pre-cured resin-composite CAD/CAM structures</title><author>Alamoush, Rasha A. ; Satterthwaite, Julian D. ; Silikas, Nick ; Watts, D.C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c436t-3b09401f6770eb92d12c709a990fb7e08a1195123d321fc0968d7ceaf04db18b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>CAD/CAM</topic><topic>CAD/CAM composite blocks</topic><topic>CAM</topic><topic>Ceramics</topic><topic>Composite materials</topic><topic>Composite Resins</topic><topic>Compressive properties</topic><topic>Computer aided manufacturing</topic><topic>Computer-Aided Design</topic><topic>Creep</topic><topic>Creep strength</topic><topic>Deformation</topic><topic>Deformation effects</topic><topic>Dental restorative materials</topic><topic>Dental Stress Analysis</topic><topic>Dentistry</topic><topic>Dimensional stability</topic><topic>Distilled water</topic><topic>Elastic deformation</topic><topic>Homogeneity</topic><topic>Materials Testing</topic><topic>Polymer-infiltrated ceramic network</topic><topic>Recovery</topic><topic>Resin matrix composites</topic><topic>Storage conditions</topic><topic>Strain</topic><topic>Surface Properties</topic><topic>Unloading</topic><topic>Variance analysis</topic><topic>Viscoelastic stability</topic><topic>Viscoelasticity</topic><topic>Water storage</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Alamoush, Rasha A.</creatorcontrib><creatorcontrib>Satterthwaite, Julian D.</creatorcontrib><creatorcontrib>Silikas, Nick</creatorcontrib><creatorcontrib>Watts, D.C.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Dental materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Alamoush, Rasha A.</au><au>Satterthwaite, Julian D.</au><au>Silikas, Nick</au><au>Watts, D.C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Viscoelastic stability of pre-cured resin-composite CAD/CAM structures</atitle><jtitle>Dental materials</jtitle><addtitle>Dent Mater</addtitle><date>2019-08</date><risdate>2019</risdate><volume>35</volume><issue>8</issue><spage>1166</spage><epage>1172</epage><pages>1166-1172</pages><issn>0109-5641</issn><eissn>1879-0097</eissn><abstract>To study the effect of water storage (3 months) on the creep deformation and recovery of CAD/CAM composite materials to determine their viscoelastic stability.
Five CAD/CAM composite blocks, with increasing filler loading, and one polymer-infiltrated ceramic network (PICN) were studied. Six specimens of each material were separated into two groups (n=3) according to their storage conditions (24 h dry storage at 23°C versus 3 months storage in 37°C distilled water). A constant static compressive stress of 20 MPa was applied on each specimen via a loading pin for 2 h followed by unloading and monitoring strain recovery for a further period of 2 h. The maximum creep-strain (%) and permanent set (%) were recorded. Data were analysed via two-way ANOVA followed by one-way ANOVA and Bonferroni post hoc tests (<0.05) for comparisons between the materials. Homogeneity of variance was calculated via Levene’s statistics.
The maximum creep strain after 24 h dry ranged from 0.45% to 1.09% and increased after 3-month storage in distilled water to between 0.71% and 1.85%. The permanent set after 24 h dry storage ranged from 0.033% to 0.15% and increased after 3-month water storage to between 0.087% and 0.18%. The maximum creep strain also reduced with increasing filler loading.
The PICN material exhibited superior dimensional stability to all of the pre-cured resin composite blocks in both storage conditions with deformation being predominantly elastic rather than viscoelastic. Notwithstanding, two of the resin-matrix composite blocks approached the PICN performance, when dry, but less so after water storage.</abstract><cop>England</cop><pub>Elsevier Inc</pub><pmid>31146959</pmid><doi>10.1016/j.dental.2019.05.007</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0109-5641 |
| ispartof | Dental materials, 2019-08, Vol.35 (8), p.1166-1172 |
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| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | CAD/CAM CAD/CAM composite blocks CAM Ceramics Composite materials Composite Resins Compressive properties Computer aided manufacturing Computer-Aided Design Creep Creep strength Deformation Deformation effects Dental restorative materials Dental Stress Analysis Dentistry Dimensional stability Distilled water Elastic deformation Homogeneity Materials Testing Polymer-infiltrated ceramic network Recovery Resin matrix composites Storage conditions Strain Surface Properties Unloading Variance analysis Viscoelastic stability Viscoelasticity Water storage |
| title | Viscoelastic stability of pre-cured resin-composite CAD/CAM structures |
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