Color stability of dental ceramics submitted to artificial accelerated aging after repeated firings
Statement of problem Color stability is an important factor to ensure the long-term clinical success of ceramic restorations. There is a lack of information on how color is affected by fabrication procedures, such as the number of firings. Purpose The purpose of this study was to evaluate the effect...
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| Veröffentlicht in: | The Journal of prosthetic dentistry 2009, Vol.101 (1), p.13-18 |
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| creator | Panzeri Pires-de-Souza, Fernanda de Carvalho, DDS, MSD, PhD Casemiro, Luciana Assirati, DDS, MSD, PhD Roberti Garcia, Lucas da Fonseca, DDS, MSD Cruvinel, Diogo Rodrigues, DDS |
| description | Statement of problem Color stability is an important factor to ensure the long-term clinical success of ceramic restorations. There is a lack of information on how color is affected by fabrication procedures, such as the number of firings. Purpose The purpose of this study was to evaluate the effects that the number of firings and type of substrate have on the color stability of dental ceramic submitted to artificial accelerated aging. Material and methods Sixty specimens were fabricated: 30 metal ceramic (Verabond II + IPS d.SIGN) and 30 all-ceramic (IPS d.SIGN). Specimens were divided into 3 groups (n=10), and submitted to 2, 3, or 4 firings (±900°C), respectively, according to the manufacturer's instructions. Color readings were obtained with a spectrophotometer before and after artificial accelerated aging, and L*, a*, and b* coordinates and total color variation (ΔE) were analyzed (2-way ANOVA, Bonferroni, α=05). Results For metal ceramic specimens, differences for the L* coordinates were significant ( P |
| doi_str_mv | 10.1016/S0022-3913(08)60282-6 |
| format | Article |
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There is a lack of information on how color is affected by fabrication procedures, such as the number of firings. Purpose The purpose of this study was to evaluate the effects that the number of firings and type of substrate have on the color stability of dental ceramic submitted to artificial accelerated aging. Material and methods Sixty specimens were fabricated: 30 metal ceramic (Verabond II + IPS d.SIGN) and 30 all-ceramic (IPS d.SIGN). Specimens were divided into 3 groups (n=10), and submitted to 2, 3, or 4 firings (±900°C), respectively, according to the manufacturer's instructions. Color readings were obtained with a spectrophotometer before and after artificial accelerated aging, and L*, a*, and b* coordinates and total color variation (ΔE) were analyzed (2-way ANOVA, Bonferroni, α=05). Results For metal ceramic specimens, differences for the L* coordinates were significant ( P <.05) only for the group submitted to 3 firings. With respect to the all-ceramic specimens, smaller L* coordinates were obtained for greater a* and b* coordinates, indicating that the greater the number of firings, the darker and more reddish/yellowish the specimen. All ΔE values, for all groups, were below 1.0. All-ceramic specimens submitted to 3 and 4 firings presented ΔE means differing statistically ( P <.05) from those of the metal ceramic group. Conclusions The type of substrate and number of firings affected the color stability of the ceramic material tested. Artificial accelerated aging did not produce perceptible color stability changes (ΔE<1.0). (J Prosthet Dent 2009;101:13-18)</description><identifier>ISSN: 0022-3913</identifier><identifier>EISSN: 1097-6841</identifier><identifier>DOI: 10.1016/S0022-3913(08)60282-6</identifier><identifier>PMID: 19105987</identifier><language>eng</language><publisher>United States: Mosby, Inc</publisher><subject>Color ; Colorimetry ; Dental Casting Technique ; Dental Porcelain ; Dental Prosthesis Design ; Dental Restoration Wear ; Dentistry ; Hot Temperature ; Materials Testing ; Metal Ceramic Alloys ; Prosthesis Coloring ; Time Factors</subject><ispartof>The Journal of prosthetic dentistry, 2009, Vol.101 (1), p.13-18</ispartof><rights>The Editorial Council of the Journal of Prosthetic Dentistry</rights><rights>2009 The Editorial Council of the Journal of Prosthetic Dentistry</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c515t-3cf6e73e83c6453d66b5158275f68025ccf8ec8d8490f6cf0e937855a7607b893</citedby><cites>FETCH-LOGICAL-c515t-3cf6e73e83c6453d66b5158275f68025ccf8ec8d8490f6cf0e937855a7607b893</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0022391308602826$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,4010,27900,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19105987$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Panzeri Pires-de-Souza, Fernanda de Carvalho, DDS, MSD, PhD</creatorcontrib><creatorcontrib>Casemiro, Luciana Assirati, DDS, MSD, PhD</creatorcontrib><creatorcontrib>Roberti Garcia, Lucas da Fonseca, DDS, MSD</creatorcontrib><creatorcontrib>Cruvinel, Diogo Rodrigues, DDS</creatorcontrib><title>Color stability of dental ceramics submitted to artificial accelerated aging after repeated firings</title><title>The Journal of prosthetic dentistry</title><addtitle>J Prosthet Dent</addtitle><description>Statement of problem Color stability is an important factor to ensure the long-term clinical success of ceramic restorations. There is a lack of information on how color is affected by fabrication procedures, such as the number of firings. Purpose The purpose of this study was to evaluate the effects that the number of firings and type of substrate have on the color stability of dental ceramic submitted to artificial accelerated aging. Material and methods Sixty specimens were fabricated: 30 metal ceramic (Verabond II + IPS d.SIGN) and 30 all-ceramic (IPS d.SIGN). Specimens were divided into 3 groups (n=10), and submitted to 2, 3, or 4 firings (±900°C), respectively, according to the manufacturer's instructions. Color readings were obtained with a spectrophotometer before and after artificial accelerated aging, and L*, a*, and b* coordinates and total color variation (ΔE) were analyzed (2-way ANOVA, Bonferroni, α=05). Results For metal ceramic specimens, differences for the L* coordinates were significant ( P <.05) only for the group submitted to 3 firings. With respect to the all-ceramic specimens, smaller L* coordinates were obtained for greater a* and b* coordinates, indicating that the greater the number of firings, the darker and more reddish/yellowish the specimen. All ΔE values, for all groups, were below 1.0. All-ceramic specimens submitted to 3 and 4 firings presented ΔE means differing statistically ( P <.05) from those of the metal ceramic group. Conclusions The type of substrate and number of firings affected the color stability of the ceramic material tested. Artificial accelerated aging did not produce perceptible color stability changes (ΔE<1.0). (J Prosthet Dent 2009;101:13-18)</description><subject>Color</subject><subject>Colorimetry</subject><subject>Dental Casting Technique</subject><subject>Dental Porcelain</subject><subject>Dental Prosthesis Design</subject><subject>Dental Restoration Wear</subject><subject>Dentistry</subject><subject>Hot Temperature</subject><subject>Materials Testing</subject><subject>Metal Ceramic Alloys</subject><subject>Prosthesis Coloring</subject><subject>Time Factors</subject><issn>0022-3913</issn><issn>1097-6841</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkUFvEzEQhS0EomnhJ4B8QvSwdLyOvd4LFYqAVqrUA3C2nNlx5bJZB9tByr_Hm0QgcenJ0vPn98ZvGHsj4IMAoa--AbRtI3sh34O51NCattHP2EJA3zXaLMVztviLnLHznB8BwKhOvGRnohegetMtGK7iGBPPxa3DGMqeR88HmoobOVJym4CZ5916E0qhgZfIXSrBBwwVcIg0Vmi-cQ9heuDOF0o80ZYOog-pqvkVe-HdmOn16bxgP758_r66ae7uv96uPt01qIQqjUSvqZNkJOqlkoPW66qbtlNeG2gVojeEZjDLHrxGD9TLzijlOg3d2vTygr07-m5T_LWjXOwm5Dri6CaKu2y17pQEo58EpdRLWU0rqI4gpphzIm-3KWxc2lsBdl6DPazBzh1bMPawBjsHvD0F1Opo-Pfq1HsFro8A1T5-B0o2Y6AJaQiJsNghhicjPv7ngGOYArrxJ-0pP8ZdmmrZVtjcWjiazB71_7ODln8A3kKsVA</recordid><startdate>2009</startdate><enddate>2009</enddate><creator>Panzeri Pires-de-Souza, Fernanda de Carvalho, DDS, MSD, PhD</creator><creator>Casemiro, Luciana Assirati, DDS, MSD, PhD</creator><creator>Roberti Garcia, Lucas da Fonseca, DDS, MSD</creator><creator>Cruvinel, Diogo Rodrigues, DDS</creator><general>Mosby, Inc</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>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>2009</creationdate><title>Color stability of dental ceramics submitted to artificial accelerated aging after repeated firings</title><author>Panzeri Pires-de-Souza, Fernanda de Carvalho, DDS, MSD, PhD ; Casemiro, Luciana Assirati, DDS, MSD, PhD ; Roberti Garcia, Lucas da Fonseca, DDS, MSD ; Cruvinel, Diogo Rodrigues, DDS</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c515t-3cf6e73e83c6453d66b5158275f68025ccf8ec8d8490f6cf0e937855a7607b893</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Color</topic><topic>Colorimetry</topic><topic>Dental Casting Technique</topic><topic>Dental Porcelain</topic><topic>Dental Prosthesis Design</topic><topic>Dental Restoration Wear</topic><topic>Dentistry</topic><topic>Hot Temperature</topic><topic>Materials Testing</topic><topic>Metal Ceramic Alloys</topic><topic>Prosthesis Coloring</topic><topic>Time Factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Panzeri Pires-de-Souza, Fernanda de Carvalho, DDS, MSD, PhD</creatorcontrib><creatorcontrib>Casemiro, Luciana Assirati, DDS, MSD, PhD</creatorcontrib><creatorcontrib>Roberti Garcia, Lucas da Fonseca, DDS, MSD</creatorcontrib><creatorcontrib>Cruvinel, Diogo Rodrigues, DDS</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</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>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>The Journal of prosthetic dentistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Panzeri Pires-de-Souza, Fernanda de Carvalho, DDS, MSD, PhD</au><au>Casemiro, Luciana Assirati, DDS, MSD, PhD</au><au>Roberti Garcia, Lucas da Fonseca, DDS, MSD</au><au>Cruvinel, Diogo Rodrigues, DDS</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Color stability of dental ceramics submitted to artificial accelerated aging after repeated firings</atitle><jtitle>The Journal of prosthetic dentistry</jtitle><addtitle>J Prosthet Dent</addtitle><date>2009</date><risdate>2009</risdate><volume>101</volume><issue>1</issue><spage>13</spage><epage>18</epage><pages>13-18</pages><issn>0022-3913</issn><eissn>1097-6841</eissn><abstract>Statement of problem Color stability is an important factor to ensure the long-term clinical success of ceramic restorations. There is a lack of information on how color is affected by fabrication procedures, such as the number of firings. Purpose The purpose of this study was to evaluate the effects that the number of firings and type of substrate have on the color stability of dental ceramic submitted to artificial accelerated aging. Material and methods Sixty specimens were fabricated: 30 metal ceramic (Verabond II + IPS d.SIGN) and 30 all-ceramic (IPS d.SIGN). Specimens were divided into 3 groups (n=10), and submitted to 2, 3, or 4 firings (±900°C), respectively, according to the manufacturer's instructions. Color readings were obtained with a spectrophotometer before and after artificial accelerated aging, and L*, a*, and b* coordinates and total color variation (ΔE) were analyzed (2-way ANOVA, Bonferroni, α=05). Results For metal ceramic specimens, differences for the L* coordinates were significant ( P <.05) only for the group submitted to 3 firings. With respect to the all-ceramic specimens, smaller L* coordinates were obtained for greater a* and b* coordinates, indicating that the greater the number of firings, the darker and more reddish/yellowish the specimen. All ΔE values, for all groups, were below 1.0. All-ceramic specimens submitted to 3 and 4 firings presented ΔE means differing statistically ( P <.05) from those of the metal ceramic group. Conclusions The type of substrate and number of firings affected the color stability of the ceramic material tested. Artificial accelerated aging did not produce perceptible color stability changes (ΔE<1.0). (J Prosthet Dent 2009;101:13-18)</abstract><cop>United States</cop><pub>Mosby, Inc</pub><pmid>19105987</pmid><doi>10.1016/S0022-3913(08)60282-6</doi><tpages>6</tpages></addata></record> |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Color Colorimetry Dental Casting Technique Dental Porcelain Dental Prosthesis Design Dental Restoration Wear Dentistry Hot Temperature Materials Testing Metal Ceramic Alloys Prosthesis Coloring Time Factors |
| title | Color stability of dental ceramics submitted to artificial accelerated aging after repeated firings |
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