Effect of software version and parameter settings on the marginal and internal adaptation of crowns fabricated with the CAD/CAM system

This study investigated the marginal and internal adaptation of individual dental crowns fabricated using a CAD/CAM system (Sirona's BlueCam), also evaluating the effect of the software version used, and the specific parameter settings in the adaptation of crowns. Forty digital impressions of a...

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Published in:Journal of applied oral science 2015-10, Vol.23 (5), p.515-522
Main Authors: Shim, Ji Suk, Lee, Jin Sook, Lee, Jeong Yol, Choi, Yeon Jo, Shin, Sang Wan, Ryu, Jae Jun
Format: Article
Language:English
Subjects:
Analysis of Variance
Computer-Aided Design - standards
Crowns - standards
Dental Marginal Adaptation - standards
Dental Prosthesis Design - standards
Dental Restoration, Permanent - methods
Dentistry
DENTISTRY, ORAL SURGERY & MEDICINE
Design
Margin
Original
Reference Standards
Reference Values
Reproducibility of Results
Software
Software - standards
Surface Properties
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cited_by cdi_FETCH-LOGICAL-c504t-9c887ec721fd12c58c760b892bc69746b2ebfcf5fa5386db2c00a1b76975e1b63
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creator Shim, Ji Suk
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description This study investigated the marginal and internal adaptation of individual dental crowns fabricated using a CAD/CAM system (Sirona's BlueCam), also evaluating the effect of the software version used, and the specific parameter settings in the adaptation of crowns. Forty digital impressions of a master model previously prepared were acquired using an intraoral scanner and divided into four groups based on the software version and on the spacer settings used. The versions 3.8 and 4.2 of the software were used, and the spacer parameter was set at either 40 μm or 80 μm. The marginal and internal fit of the crowns were measured using the replica technique, which uses a low viscosity silicone material that simulates the thickness of the cement layer. The data were analyzed using a Friedman two-way analysis of variance (ANOVA) and paired t-tests with significance level set at p
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Forty digital impressions of a master model previously prepared were acquired using an intraoral scanner and divided into four groups based on the software version and on the spacer settings used. The versions 3.8 and 4.2 of the software were used, and the spacer parameter was set at either 40 μm or 80 μm. The marginal and internal fit of the crowns were measured using the replica technique, which uses a low viscosity silicone material that simulates the thickness of the cement layer. The data were analyzed using a Friedman two-way analysis of variance (ANOVA) and paired t-tests with significance level set at p&lt;0.05. The two-way ANOVA analysis showed the software version (p&lt;0.05) and the spacer parameter (p&lt;0.05) significantly affected the crown adaptation. The crowns designed with the version 4.2 of the software showed a better fit than those designed with the version 3.8, particularly in the axial wall and in the inner margin. The spacer parameter was more accurately represented in the version 4.2 of the software than in the version 3.8. In addition, the use of the version 4.2 of the software combined with the spacer parameter set at 80 μm showed the least variation. On the other hand, the outer margin was not affected by the variables. 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The spacer parameter was more accurately represented in the version 4.2 of the software than in the version 3.8. In addition, the use of the version 4.2 of the software combined with the spacer parameter set at 80 μm showed the least variation. On the other hand, the outer margin was not affected by the variables. 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Lee, Jin Sook ; Lee, Jeong Yol ; Choi, Yeon Jo ; Shin, Sang Wan ; Ryu, Jae Jun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c504t-9c887ec721fd12c58c760b892bc69746b2ebfcf5fa5386db2c00a1b76975e1b63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Analysis of Variance</topic><topic>Computer-Aided Design - standards</topic><topic>Crowns - standards</topic><topic>Dental Marginal Adaptation - standards</topic><topic>Dental Prosthesis Design - standards</topic><topic>Dental Restoration, Permanent - methods</topic><topic>Dentistry</topic><topic>DENTISTRY, ORAL SURGERY &amp; MEDICINE</topic><topic>Design</topic><topic>Margin</topic><topic>Original</topic><topic>Reference Standards</topic><topic>Reference Values</topic><topic>Reproducibility of Results</topic><topic>Software</topic><topic>Software - standards</topic><topic>Surface Properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shim, Ji Suk</creatorcontrib><creatorcontrib>Lee, Jin Sook</creatorcontrib><creatorcontrib>Lee, Jeong Yol</creatorcontrib><creatorcontrib>Choi, Yeon Jo</creatorcontrib><creatorcontrib>Shin, Sang Wan</creatorcontrib><creatorcontrib>Ryu, Jae Jun</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>PubMed Central (Full Participant titles)</collection><collection>SciELO</collection><collection>Open Access: DOAJ - Directory of Open Access Journals</collection><jtitle>Journal of applied oral science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shim, Ji Suk</au><au>Lee, Jin Sook</au><au>Lee, Jeong Yol</au><au>Choi, Yeon Jo</au><au>Shin, Sang Wan</au><au>Ryu, Jae Jun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of software version and parameter settings on the marginal and internal adaptation of crowns fabricated with the CAD/CAM system</atitle><jtitle>Journal of applied oral science</jtitle><addtitle>J Appl Oral Sci</addtitle><date>2015-10-01</date><risdate>2015</risdate><volume>23</volume><issue>5</issue><spage>515</spage><epage>522</epage><pages>515-522</pages><issn>1678-7757</issn><issn>1678-7765</issn><eissn>1678-7765</eissn><eissn>1678-7757</eissn><abstract>This study investigated the marginal and internal adaptation of individual dental crowns fabricated using a CAD/CAM system (Sirona's BlueCam), also evaluating the effect of the software version used, and the specific parameter settings in the adaptation of crowns. Forty digital impressions of a master model previously prepared were acquired using an intraoral scanner and divided into four groups based on the software version and on the spacer settings used. The versions 3.8 and 4.2 of the software were used, and the spacer parameter was set at either 40 μm or 80 μm. The marginal and internal fit of the crowns were measured using the replica technique, which uses a low viscosity silicone material that simulates the thickness of the cement layer. The data were analyzed using a Friedman two-way analysis of variance (ANOVA) and paired t-tests with significance level set at p&lt;0.05. The two-way ANOVA analysis showed the software version (p&lt;0.05) and the spacer parameter (p&lt;0.05) significantly affected the crown adaptation. The crowns designed with the version 4.2 of the software showed a better fit than those designed with the version 3.8, particularly in the axial wall and in the inner margin. The spacer parameter was more accurately represented in the version 4.2 of the software than in the version 3.8. In addition, the use of the version 4.2 of the software combined with the spacer parameter set at 80 μm showed the least variation. On the other hand, the outer margin was not affected by the variables. Compared to the version 3.8 of the software, the version 4.2 can be recommended for the fabrication of well-fitting crown restorations, and for the appropriate regulation of the spacer parameter.</abstract><cop>Brazil</cop><pub>Faculdade de Odontologia de Bauru da Universidade de São Paulo</pub><pmid>26537722</pmid><doi>10.1590/1678-775720150081</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record>
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source SciELO Brazil; IngentaConnect Journals; PubMed Central
subjects Analysis of Variance
Computer-Aided Design - standards
Crowns - standards
Dental Marginal Adaptation - standards
Dental Prosthesis Design - standards
Dental Restoration, Permanent - methods
Dentistry
DENTISTRY, ORAL SURGERY & MEDICINE
Design
Margin
Original
Reference Standards
Reference Values
Reproducibility of Results
Software
Software - standards
Surface Properties
title Effect of software version and parameter settings on the marginal and internal adaptation of crowns fabricated with the CAD/CAM system
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