Shear bond strength of dental porcelains to nickel-chromium alloys
The continuous technological advance and increasing availability of new base metal alloys and ceramic systems in the market, coupled to the demands of daily clinical practice, have made the constant evaluation of the bond strength of metal/porcelain combinations necessary. This study evaluated the m...
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| Veröffentlicht in: | Brazilian dental journal 2005-12, Vol.16 (3), p.202-206 |
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| creator | Prado, Ricardo Alves do Panzeri, Heitor Fernandes Neto, Alfredo Julio Neves, Flávio Domingues das Silva, Marlete Ribeiro da Mendonça, Gustavo |
| description | The continuous technological advance and increasing availability of new base metal alloys and ceramic systems in the market, coupled to the demands of daily clinical practice, have made the constant evaluation of the bond strength of metal/porcelain combinations necessary. This study evaluated the metal/porcelain shear bond strength of three ceramic systems (Duceram, Williams and Noritake) in combination with three nickel-chromium (Ni-Cr) alloys (Durabond, Verabond and Viron). Thirty cast cylinder specimens (15 mm high; 6 mm in diameter) were obtained for each alloy, in a way that 10 specimens of each alloy were tested with each porcelain. Bond strength was measured with an Emic screw-driven mechanical testing machine by applying parallel shear forces to the specimens until fracture. Shear strength was calculated using the ratio of the force applied to a demarcated area of the opaque layer. Mann-Whitney U test was used for statistical analysis of the alloy/ceramic combinations (p |
| doi_str_mv | 10.1590/S0103-64402005000300006 |
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| fullrecord | <record><control><sourceid>crossref</sourceid><recordid>TN_cdi_crossref_primary_10_1590_S0103_64402005000300006</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>10_1590_S0103_64402005000300006</sourcerecordid><originalsourceid>FETCH-LOGICAL-c3266-1058174b4ea47ec936c5eaab04d5942d87da7a88ba760de533ac6107165e53853</originalsourceid><addsrcrecordid>eNplkEtPwzAQhC0EEqXwG_AfCKzjV3KEipdUiUPhHG3sDQm4cWWHQ_894SGExGE0M5rVHj7GzgVcCF3D5QYEyMIoBSWABgA5C8wBW_wOh3_yMTvJ-RXmYyXrBbve9ISJt3H0PE-Jxpep57HjnsYJA9_F5CjgMGY-RT4O7o1C4foUt8P7lmMIcZ9P2VGHIdPZjy_Z8-3N0-q-WD_ePayu1oWTpTGFAF0Jq1pFqCy5WhqnCbEF5XWtSl9ZjxarqkVrwJOWEp0RYIXRc6m0XDL7_delmHOirtmlYYtp3whoPlE0XyiafyjkBwNGUNs</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Shear bond strength of dental porcelains to nickel-chromium alloys</title><source>EZB Electronic Journals Library</source><creator>Prado, Ricardo Alves do ; Panzeri, Heitor ; Fernandes Neto, Alfredo Julio ; Neves, Flávio Domingues das ; Silva, Marlete Ribeiro da ; Mendonça, Gustavo</creator><creatorcontrib>Prado, Ricardo Alves do ; Panzeri, Heitor ; Fernandes Neto, Alfredo Julio ; Neves, Flávio Domingues das ; Silva, Marlete Ribeiro da ; Mendonça, Gustavo</creatorcontrib><description><![CDATA[The continuous technological advance and increasing availability of new base metal alloys and ceramic systems in the market, coupled to the demands of daily clinical practice, have made the constant evaluation of the bond strength of metal/porcelain combinations necessary. This study evaluated the metal/porcelain shear bond strength of three ceramic systems (Duceram, Williams and Noritake) in combination with three nickel-chromium (Ni-Cr) alloys (Durabond, Verabond and Viron). Thirty cast cylinder specimens (15 mm high; 6 mm in diameter) were obtained for each alloy, in a way that 10 specimens of each alloy were tested with each porcelain. Bond strength was measured with an Emic screw-driven mechanical testing machine by applying parallel shear forces to the specimens until fracture. Shear strength was calculated using the ratio of the force applied to a demarcated area of the opaque layer. Mann-Whitney U test was used for statistical analysis of the alloy/ceramic combinations (p<0.05). Viron/Noritake had the highest shear bond sregnth means (32.93 MPa), while Verabond/Duceram (16.31 MPa) presented the lowest means. Viron/Noritake differed statistically from other combinations (p<0.05). Viron/Duceram had statistically significant higher bond strengths than Verabond/Duceram, Verabond/Williams and Durabond/Noritake (p<0.05). It was also found significant difference (p<0.05) between Verabond/Noritake, Verabond/Duceram and Durabond/Noritake. No statistically significant difference (p>0.05) were observed among the other combinations. In conclusion, the Noritake ceramic system used together with Viron alloy presented the highest resistance to shear forces, while Duceram bonded to Verabond presented the lowest bond strength. Viron/Duceram and Verabond/Noritake provided intermediate results. The combinations between the Williams ceramic system and Ni-Cr alloys had similar shear strengths among each other.
Devido ao contínuo avanço tecnológico e crescente disponibilidade de novas ligas não-nobres e sistemas cerâmicos no mercado, e também à prática clínica diária, a constante avaliação da resistência de união das combinações metal/porcelana tornou-se necessária. Este estudo avaliou a resistência da união metal/porcelana de três sistemas cerâmicos (Duceram, Williams e Noritake) em combinação com três ligas à base de níquel-cromo (Ni-Cr) (Durabond, Verabond e Viron). Trinta cilindros fundidos (15 mm de altura; 6 mm de diâmetro) foram obtidos para cada liga e 10 espécimes de cada liga foram testados com cada porcelana. A resistência de união foi calculada utilizando uma máquina EMIC aplicando uma força de cisalhamento paralela ao corpo-de-prova até a fratura. A resistência ao cisalhamento foi calculada usando a força aplicada dividida pela área de superfícia da camada de opaco. O teste U de Mann-Whitney foi empregado para a análise estatistica das interações metal/porcelana (p<0,05). Viron/Noritake apresentou a maior média de resistência adesiva (32,93 MPa), enquanto Verabond/Duceram apresentou a menor média (16,31 MPa). Viron/Noritake diferiu estatisticamente das demais combinações (p<0,05). Viron/Duceram apresentou média estatisticamente maior que Verabond/Duceram, Verabond/Williams e Durabond/Noritake (p<0,05). Houve diferença significante (p<0.05) também entre Verabond/Noritake, Verabond/Duceram e Durabond/Noritake. Não houve diferença estatisticamente significante entre as demais combinações (p>0,05). Em conclusão, o sistema cerâmico Noritake utilizado em associação com a liga Viron apresentou a maior resistência às forças de cisalhamento, enquanto o sistema Duceram em combinação com a liga Verabond apresentou a menor média de resistência ao cisalhamento. Viron/Duceram e Verabond/Noritake promoveram resultados intermediários. As combinações entre o sistema cerâmico Williams e as ligas de Ni-Cr apresentaram médias de resistência ao cisalhamento semelhantes entre si.]]></description><identifier>ISSN: 0103-6440</identifier><identifier>EISSN: 0103-6440</identifier><identifier>DOI: 10.1590/S0103-64402005000300006</identifier><language>eng</language><ispartof>Brazilian dental journal, 2005-12, Vol.16 (3), p.202-206</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3266-1058174b4ea47ec936c5eaab04d5942d87da7a88ba760de533ac6107165e53853</citedby><cites>FETCH-LOGICAL-c3266-1058174b4ea47ec936c5eaab04d5942d87da7a88ba760de533ac6107165e53853</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Prado, Ricardo Alves do</creatorcontrib><creatorcontrib>Panzeri, Heitor</creatorcontrib><creatorcontrib>Fernandes Neto, Alfredo Julio</creatorcontrib><creatorcontrib>Neves, Flávio Domingues das</creatorcontrib><creatorcontrib>Silva, Marlete Ribeiro da</creatorcontrib><creatorcontrib>Mendonça, Gustavo</creatorcontrib><title>Shear bond strength of dental porcelains to nickel-chromium alloys</title><title>Brazilian dental journal</title><description><![CDATA[The continuous technological advance and increasing availability of new base metal alloys and ceramic systems in the market, coupled to the demands of daily clinical practice, have made the constant evaluation of the bond strength of metal/porcelain combinations necessary. This study evaluated the metal/porcelain shear bond strength of three ceramic systems (Duceram, Williams and Noritake) in combination with three nickel-chromium (Ni-Cr) alloys (Durabond, Verabond and Viron). Thirty cast cylinder specimens (15 mm high; 6 mm in diameter) were obtained for each alloy, in a way that 10 specimens of each alloy were tested with each porcelain. Bond strength was measured with an Emic screw-driven mechanical testing machine by applying parallel shear forces to the specimens until fracture. Shear strength was calculated using the ratio of the force applied to a demarcated area of the opaque layer. Mann-Whitney U test was used for statistical analysis of the alloy/ceramic combinations (p<0.05). Viron/Noritake had the highest shear bond sregnth means (32.93 MPa), while Verabond/Duceram (16.31 MPa) presented the lowest means. Viron/Noritake differed statistically from other combinations (p<0.05). Viron/Duceram had statistically significant higher bond strengths than Verabond/Duceram, Verabond/Williams and Durabond/Noritake (p<0.05). It was also found significant difference (p<0.05) between Verabond/Noritake, Verabond/Duceram and Durabond/Noritake. No statistically significant difference (p>0.05) were observed among the other combinations. In conclusion, the Noritake ceramic system used together with Viron alloy presented the highest resistance to shear forces, while Duceram bonded to Verabond presented the lowest bond strength. Viron/Duceram and Verabond/Noritake provided intermediate results. The combinations between the Williams ceramic system and Ni-Cr alloys had similar shear strengths among each other.
Devido ao contínuo avanço tecnológico e crescente disponibilidade de novas ligas não-nobres e sistemas cerâmicos no mercado, e também à prática clínica diária, a constante avaliação da resistência de união das combinações metal/porcelana tornou-se necessária. Este estudo avaliou a resistência da união metal/porcelana de três sistemas cerâmicos (Duceram, Williams e Noritake) em combinação com três ligas à base de níquel-cromo (Ni-Cr) (Durabond, Verabond e Viron). Trinta cilindros fundidos (15 mm de altura; 6 mm de diâmetro) foram obtidos para cada liga e 10 espécimes de cada liga foram testados com cada porcelana. A resistência de união foi calculada utilizando uma máquina EMIC aplicando uma força de cisalhamento paralela ao corpo-de-prova até a fratura. A resistência ao cisalhamento foi calculada usando a força aplicada dividida pela área de superfícia da camada de opaco. O teste U de Mann-Whitney foi empregado para a análise estatistica das interações metal/porcelana (p<0,05). Viron/Noritake apresentou a maior média de resistência adesiva (32,93 MPa), enquanto Verabond/Duceram apresentou a menor média (16,31 MPa). Viron/Noritake diferiu estatisticamente das demais combinações (p<0,05). Viron/Duceram apresentou média estatisticamente maior que Verabond/Duceram, Verabond/Williams e Durabond/Noritake (p<0,05). Houve diferença significante (p<0.05) também entre Verabond/Noritake, Verabond/Duceram e Durabond/Noritake. Não houve diferença estatisticamente significante entre as demais combinações (p>0,05). Em conclusão, o sistema cerâmico Noritake utilizado em associação com a liga Viron apresentou a maior resistência às forças de cisalhamento, enquanto o sistema Duceram em combinação com a liga Verabond apresentou a menor média de resistência ao cisalhamento. Viron/Duceram e Verabond/Noritake promoveram resultados intermediários. As combinações entre o sistema cerâmico Williams e as ligas de Ni-Cr apresentaram médias de resistência ao cisalhamento semelhantes entre si.]]></description><issn>0103-6440</issn><issn>0103-6440</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNplkEtPwzAQhC0EEqXwG_AfCKzjV3KEipdUiUPhHG3sDQm4cWWHQ_894SGExGE0M5rVHj7GzgVcCF3D5QYEyMIoBSWABgA5C8wBW_wOh3_yMTvJ-RXmYyXrBbve9ISJt3H0PE-Jxpep57HjnsYJA9_F5CjgMGY-RT4O7o1C4foUt8P7lmMIcZ9P2VGHIdPZjy_Z8-3N0-q-WD_ePayu1oWTpTGFAF0Jq1pFqCy5WhqnCbEF5XWtSl9ZjxarqkVrwJOWEp0RYIXRc6m0XDL7_delmHOirtmlYYtp3whoPlE0XyiafyjkBwNGUNs</recordid><startdate>20051201</startdate><enddate>20051201</enddate><creator>Prado, Ricardo Alves do</creator><creator>Panzeri, Heitor</creator><creator>Fernandes Neto, Alfredo Julio</creator><creator>Neves, Flávio Domingues das</creator><creator>Silva, Marlete Ribeiro da</creator><creator>Mendonça, Gustavo</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20051201</creationdate><title>Shear bond strength of dental porcelains to nickel-chromium alloys</title><author>Prado, Ricardo Alves do ; Panzeri, Heitor ; Fernandes Neto, Alfredo Julio ; Neves, Flávio Domingues das ; Silva, Marlete Ribeiro da ; Mendonça, Gustavo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3266-1058174b4ea47ec936c5eaab04d5942d87da7a88ba760de533ac6107165e53853</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Prado, Ricardo Alves do</creatorcontrib><creatorcontrib>Panzeri, Heitor</creatorcontrib><creatorcontrib>Fernandes Neto, Alfredo Julio</creatorcontrib><creatorcontrib>Neves, Flávio Domingues das</creatorcontrib><creatorcontrib>Silva, Marlete Ribeiro da</creatorcontrib><creatorcontrib>Mendonça, Gustavo</creatorcontrib><collection>CrossRef</collection><jtitle>Brazilian dental journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Prado, Ricardo Alves do</au><au>Panzeri, Heitor</au><au>Fernandes Neto, Alfredo Julio</au><au>Neves, Flávio Domingues das</au><au>Silva, Marlete Ribeiro da</au><au>Mendonça, Gustavo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Shear bond strength of dental porcelains to nickel-chromium alloys</atitle><jtitle>Brazilian dental journal</jtitle><date>2005-12-01</date><risdate>2005</risdate><volume>16</volume><issue>3</issue><spage>202</spage><epage>206</epage><pages>202-206</pages><issn>0103-6440</issn><eissn>0103-6440</eissn><abstract><![CDATA[The continuous technological advance and increasing availability of new base metal alloys and ceramic systems in the market, coupled to the demands of daily clinical practice, have made the constant evaluation of the bond strength of metal/porcelain combinations necessary. This study evaluated the metal/porcelain shear bond strength of three ceramic systems (Duceram, Williams and Noritake) in combination with three nickel-chromium (Ni-Cr) alloys (Durabond, Verabond and Viron). Thirty cast cylinder specimens (15 mm high; 6 mm in diameter) were obtained for each alloy, in a way that 10 specimens of each alloy were tested with each porcelain. Bond strength was measured with an Emic screw-driven mechanical testing machine by applying parallel shear forces to the specimens until fracture. Shear strength was calculated using the ratio of the force applied to a demarcated area of the opaque layer. Mann-Whitney U test was used for statistical analysis of the alloy/ceramic combinations (p<0.05). Viron/Noritake had the highest shear bond sregnth means (32.93 MPa), while Verabond/Duceram (16.31 MPa) presented the lowest means. Viron/Noritake differed statistically from other combinations (p<0.05). Viron/Duceram had statistically significant higher bond strengths than Verabond/Duceram, Verabond/Williams and Durabond/Noritake (p<0.05). It was also found significant difference (p<0.05) between Verabond/Noritake, Verabond/Duceram and Durabond/Noritake. No statistically significant difference (p>0.05) were observed among the other combinations. In conclusion, the Noritake ceramic system used together with Viron alloy presented the highest resistance to shear forces, while Duceram bonded to Verabond presented the lowest bond strength. Viron/Duceram and Verabond/Noritake provided intermediate results. The combinations between the Williams ceramic system and Ni-Cr alloys had similar shear strengths among each other.
Devido ao contínuo avanço tecnológico e crescente disponibilidade de novas ligas não-nobres e sistemas cerâmicos no mercado, e também à prática clínica diária, a constante avaliação da resistência de união das combinações metal/porcelana tornou-se necessária. Este estudo avaliou a resistência da união metal/porcelana de três sistemas cerâmicos (Duceram, Williams e Noritake) em combinação com três ligas à base de níquel-cromo (Ni-Cr) (Durabond, Verabond e Viron). Trinta cilindros fundidos (15 mm de altura; 6 mm de diâmetro) foram obtidos para cada liga e 10 espécimes de cada liga foram testados com cada porcelana. A resistência de união foi calculada utilizando uma máquina EMIC aplicando uma força de cisalhamento paralela ao corpo-de-prova até a fratura. A resistência ao cisalhamento foi calculada usando a força aplicada dividida pela área de superfícia da camada de opaco. O teste U de Mann-Whitney foi empregado para a análise estatistica das interações metal/porcelana (p<0,05). Viron/Noritake apresentou a maior média de resistência adesiva (32,93 MPa), enquanto Verabond/Duceram apresentou a menor média (16,31 MPa). Viron/Noritake diferiu estatisticamente das demais combinações (p<0,05). Viron/Duceram apresentou média estatisticamente maior que Verabond/Duceram, Verabond/Williams e Durabond/Noritake (p<0,05). Houve diferença significante (p<0.05) também entre Verabond/Noritake, Verabond/Duceram e Durabond/Noritake. Não houve diferença estatisticamente significante entre as demais combinações (p>0,05). Em conclusão, o sistema cerâmico Noritake utilizado em associação com a liga Viron apresentou a maior resistência às forças de cisalhamento, enquanto o sistema Duceram em combinação com a liga Verabond apresentou a menor média de resistência ao cisalhamento. Viron/Duceram e Verabond/Noritake promoveram resultados intermediários. As combinações entre o sistema cerâmico Williams e as ligas de Ni-Cr apresentaram médias de resistência ao cisalhamento semelhantes entre si.]]></abstract><doi>10.1590/S0103-64402005000300006</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| title | Shear bond strength of dental porcelains to nickel-chromium alloys |
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