In Vitro Study of Comparative Evaluation of Marginal and Internal Fit between Heat-Pressed and CAD-CAM Monolithic Glass-Ceramic Restorations after Thermal Aging
The accuracy of newly developed ceramic materials is still being studied. Marginal and internal adaptation are known factors that have an essential impact on the long term success of dental restorations. The aim of this in vitro study was to evaluate the marginal and internal fit of heat-pressed and...
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| description | The accuracy of newly developed ceramic materials is still being studied. Marginal and internal adaptation are known factors that have an essential impact on the long term success of dental restorations. The aim of this in vitro study was to evaluate the marginal and internal fit of heat-pressed and milled monolithic glass-ceramic restorations based on their ceramic type, processing technique, and in vitro thermocycling. Thirty-two crowns were studied and divided into four groups (
= 8), according to the ceramic material (feldspathic glass-ceramic (F) and zirconia reinforced lithium silicate glass-ceramic (ZLS)) and to their technological obtaining processes (milling (M) and heat-pressing (P)). A typodont preparation was scanned with a D2000 3D scanner to obtain identical 32 resin 3D-printed abutment teeth. Marginal and internal gaps were measured using the silicone replica technique under 40× magnification. The crowns were further cemented and thermally aged for 10,000 cycles After cementation and thermocycling of the samples, marginal and internal gaps were assessed using micro-CT (micro-computed tomography)) analysis. Data were statistically analyzed using statistical tests. Significant differences were found before and after cementation and thermocycling among the tested materials (
< 0.05). Related to technological processing, significant differences were seen in the marginal area between FP and FM (
< 0.05) Significant differences were also found in the axial and occlusal areas between the ZLSP and ZLSM. Thermocycling and cementation did not have a significant effect on the tested materials (
< 0.05). The technological processes influenced the marginal and internal fit of the crowns in favor of the CAD/CAM (computer aided design/computer aided manufacturing)technologies. Thermal aging had little effect on marginal adaptability; it increased the values for all the tested samples in a small way, but the values remained in their clinically acceptable range for all of the crowns. |
| doi_str_mv | 10.3390/MA13194239 |
| format | Article |
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= 8), according to the ceramic material (feldspathic glass-ceramic (F) and zirconia reinforced lithium silicate glass-ceramic (ZLS)) and to their technological obtaining processes (milling (M) and heat-pressing (P)). A typodont preparation was scanned with a D2000 3D scanner to obtain identical 32 resin 3D-printed abutment teeth. Marginal and internal gaps were measured using the silicone replica technique under 40× magnification. The crowns were further cemented and thermally aged for 10,000 cycles After cementation and thermocycling of the samples, marginal and internal gaps were assessed using micro-CT (micro-computed tomography)) analysis. Data were statistically analyzed using statistical tests. Significant differences were found before and after cementation and thermocycling among the tested materials (
< 0.05). Related to technological processing, significant differences were seen in the marginal area between FP and FM (
< 0.05) Significant differences were also found in the axial and occlusal areas between the ZLSP and ZLSM. Thermocycling and cementation did not have a significant effect on the tested materials (
< 0.05). The technological processes influenced the marginal and internal fit of the crowns in favor of the CAD/CAM (computer aided design/computer aided manufacturing)technologies. Thermal aging had little effect on marginal adaptability; it increased the values for all the tested samples in a small way, but the values remained in their clinically acceptable range for all of the crowns.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/MA13194239</identifier><identifier>PMID: 32977603</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Adaptability ; Adaptation ; Aging ; CAD ; CAD/CAM ; CAM ; Cement ; Cementation ; Ceramics ; Computed tomography ; Computer aided design ; Computer aided manufacturing ; Crystallization ; Dental materials ; Evaluation ; Glass ceramics ; Heat ; Hypotheses ; Lithium ; Manufacturers ; Methods ; Polymerization ; Samples ; Silicon ; Statistical methods ; Statistical tests ; Thermal cycling ; Three dimensional printing ; Viscosity ; Zirconium dioxide</subject><ispartof>Materials, 2020-09, Vol.13 (19), p.4239</ispartof><rights>2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2020 by the authors. 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c406t-f726860293d9bbb1e7a11410a6ced6893f840c895f3cee65bd78865938e9914b3</citedby><cites>FETCH-LOGICAL-c406t-f726860293d9bbb1e7a11410a6ced6893f840c895f3cee65bd78865938e9914b3</cites><orcidid>0000-0001-9579-7937</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7579449/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7579449/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,885,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32977603$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Vasiliu, Roxana-Diana</creatorcontrib><creatorcontrib>Porojan, Sorin Daniel</creatorcontrib><creatorcontrib>Porojan, Liliana</creatorcontrib><title>In Vitro Study of Comparative Evaluation of Marginal and Internal Fit between Heat-Pressed and CAD-CAM Monolithic Glass-Ceramic Restorations after Thermal Aging</title><title>Materials</title><addtitle>Materials (Basel)</addtitle><description>The accuracy of newly developed ceramic materials is still being studied. Marginal and internal adaptation are known factors that have an essential impact on the long term success of dental restorations. The aim of this in vitro study was to evaluate the marginal and internal fit of heat-pressed and milled monolithic glass-ceramic restorations based on their ceramic type, processing technique, and in vitro thermocycling. Thirty-two crowns were studied and divided into four groups (
= 8), according to the ceramic material (feldspathic glass-ceramic (F) and zirconia reinforced lithium silicate glass-ceramic (ZLS)) and to their technological obtaining processes (milling (M) and heat-pressing (P)). A typodont preparation was scanned with a D2000 3D scanner to obtain identical 32 resin 3D-printed abutment teeth. Marginal and internal gaps were measured using the silicone replica technique under 40× magnification. The crowns were further cemented and thermally aged for 10,000 cycles After cementation and thermocycling of the samples, marginal and internal gaps were assessed using micro-CT (micro-computed tomography)) analysis. Data were statistically analyzed using statistical tests. Significant differences were found before and after cementation and thermocycling among the tested materials (
< 0.05). Related to technological processing, significant differences were seen in the marginal area between FP and FM (
< 0.05) Significant differences were also found in the axial and occlusal areas between the ZLSP and ZLSM. Thermocycling and cementation did not have a significant effect on the tested materials (
< 0.05). The technological processes influenced the marginal and internal fit of the crowns in favor of the CAD/CAM (computer aided design/computer aided manufacturing)technologies. Thermal aging had little effect on marginal adaptability; it increased the values for all the tested samples in a small way, but the values remained in their clinically acceptable range for all of the crowns.</description><subject>Adaptability</subject><subject>Adaptation</subject><subject>Aging</subject><subject>CAD</subject><subject>CAD/CAM</subject><subject>CAM</subject><subject>Cement</subject><subject>Cementation</subject><subject>Ceramics</subject><subject>Computed tomography</subject><subject>Computer aided design</subject><subject>Computer aided manufacturing</subject><subject>Crystallization</subject><subject>Dental materials</subject><subject>Evaluation</subject><subject>Glass ceramics</subject><subject>Heat</subject><subject>Hypotheses</subject><subject>Lithium</subject><subject>Manufacturers</subject><subject>Methods</subject><subject>Polymerization</subject><subject>Samples</subject><subject>Silicon</subject><subject>Statistical methods</subject><subject>Statistical tests</subject><subject>Thermal cycling</subject><subject>Three dimensional printing</subject><subject>Viscosity</subject><subject>Zirconium dioxide</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkctu1DAUhiMEolXphgdAltggpLR27Dj2BikKvYzUEQgKW8tJTmZcJfZgO4P6NjwqTm8qeOPz63z6zy3L3hJ8QqnEp-uaUCJZQeWL7JBIyfOk2Mtn8UF2HMINTo9SIgr5Ojughawqjulh9mdl0U8TvUPf49zfIjegxk077XU0e0Bnez3OKXR2yay13xirR6Rtj1Y2gl_EuYmohfgbwKJL0DH_6iEE6O-opv6cN_UarZ11o4lb06GLUYeQN-D1lNQ3CNH5uxIB6SF5oust-CkZ16nY5k32atBjgOOH_yj7cX523VzmV18uVk19lXcM85gPVcEFx4WkvWzblkClCWEEa95Bz4Wkg2C4E7IcaAfAy7avhOClpAKkJKylR9mne9_d3E7Qd2Cj16PaeTNpf6ucNurfjDVbtXF7VZVVWrJMBh8eDLz7Naep1GRCB-OoLbg5qIIxzjmrBE_o-__QGzcvu0xUyYSgFZYL9fGe6rwLwcPw1AzBarm9mvTj7RP87nn7T-jjpelfiquqXA</recordid><startdate>20200923</startdate><enddate>20200923</enddate><creator>Vasiliu, Roxana-Diana</creator><creator>Porojan, Sorin Daniel</creator><creator>Porojan, Liliana</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</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>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0001-9579-7937</orcidid></search><sort><creationdate>20200923</creationdate><title>In Vitro Study of Comparative Evaluation of Marginal and Internal Fit between Heat-Pressed and CAD-CAM Monolithic Glass-Ceramic Restorations after Thermal Aging</title><author>Vasiliu, Roxana-Diana ; Porojan, Sorin Daniel ; Porojan, Liliana</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c406t-f726860293d9bbb1e7a11410a6ced6893f840c895f3cee65bd78865938e9914b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Adaptability</topic><topic>Adaptation</topic><topic>Aging</topic><topic>CAD</topic><topic>CAD/CAM</topic><topic>CAM</topic><topic>Cement</topic><topic>Cementation</topic><topic>Ceramics</topic><topic>Computed tomography</topic><topic>Computer aided design</topic><topic>Computer aided manufacturing</topic><topic>Crystallization</topic><topic>Dental materials</topic><topic>Evaluation</topic><topic>Glass ceramics</topic><topic>Heat</topic><topic>Hypotheses</topic><topic>Lithium</topic><topic>Manufacturers</topic><topic>Methods</topic><topic>Polymerization</topic><topic>Samples</topic><topic>Silicon</topic><topic>Statistical methods</topic><topic>Statistical tests</topic><topic>Thermal cycling</topic><topic>Three dimensional printing</topic><topic>Viscosity</topic><topic>Zirconium dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vasiliu, Roxana-Diana</creatorcontrib><creatorcontrib>Porojan, Sorin Daniel</creatorcontrib><creatorcontrib>Porojan, Liliana</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</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 Research Database</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>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vasiliu, Roxana-Diana</au><au>Porojan, Sorin Daniel</au><au>Porojan, Liliana</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>In Vitro Study of Comparative Evaluation of Marginal and Internal Fit between Heat-Pressed and CAD-CAM Monolithic Glass-Ceramic Restorations after Thermal Aging</atitle><jtitle>Materials</jtitle><addtitle>Materials (Basel)</addtitle><date>2020-09-23</date><risdate>2020</risdate><volume>13</volume><issue>19</issue><spage>4239</spage><pages>4239-</pages><issn>1996-1944</issn><eissn>1996-1944</eissn><abstract>The accuracy of newly developed ceramic materials is still being studied. Marginal and internal adaptation are known factors that have an essential impact on the long term success of dental restorations. The aim of this in vitro study was to evaluate the marginal and internal fit of heat-pressed and milled monolithic glass-ceramic restorations based on their ceramic type, processing technique, and in vitro thermocycling. Thirty-two crowns were studied and divided into four groups (
= 8), according to the ceramic material (feldspathic glass-ceramic (F) and zirconia reinforced lithium silicate glass-ceramic (ZLS)) and to their technological obtaining processes (milling (M) and heat-pressing (P)). A typodont preparation was scanned with a D2000 3D scanner to obtain identical 32 resin 3D-printed abutment teeth. Marginal and internal gaps were measured using the silicone replica technique under 40× magnification. The crowns were further cemented and thermally aged for 10,000 cycles After cementation and thermocycling of the samples, marginal and internal gaps were assessed using micro-CT (micro-computed tomography)) analysis. Data were statistically analyzed using statistical tests. Significant differences were found before and after cementation and thermocycling among the tested materials (
< 0.05). Related to technological processing, significant differences were seen in the marginal area between FP and FM (
< 0.05) Significant differences were also found in the axial and occlusal areas between the ZLSP and ZLSM. Thermocycling and cementation did not have a significant effect on the tested materials (
< 0.05). The technological processes influenced the marginal and internal fit of the crowns in favor of the CAD/CAM (computer aided design/computer aided manufacturing)technologies. Thermal aging had little effect on marginal adaptability; it increased the values for all the tested samples in a small way, but the values remained in their clinically acceptable range for all of the crowns.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>32977603</pmid><doi>10.3390/MA13194239</doi><orcidid>https://orcid.org/0000-0001-9579-7937</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Adaptability Adaptation Aging CAD CAD/CAM CAM Cement Cementation Ceramics Computed tomography Computer aided design Computer aided manufacturing Crystallization Dental materials Evaluation Glass ceramics Heat Hypotheses Lithium Manufacturers Methods Polymerization Samples Silicon Statistical methods Statistical tests Thermal cycling Three dimensional printing Viscosity Zirconium dioxide |
| title | In Vitro Study of Comparative Evaluation of Marginal and Internal Fit between Heat-Pressed and CAD-CAM Monolithic Glass-Ceramic Restorations after Thermal Aging |
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