Comparative study of four glass ionomer luting cements during post pull-out tests
• Objectives. The aim of this study was to compare the maximum loads and modes of failure of four glass ionomer luting cements during post pull-out tests. • Methods. The cements studied included two based on conventional glass ionomer cement chemistry, i.e., a hand-mixed cement and an encapsulated c...
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| Veröffentlicht in: | Dental materials 1994-03, Vol.10 (2), p.88-91 |
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| creator | Mitchell, Christina A. Orr, John F. Connor, Kerry N. Magill, James P.G. Maguire, Gavin R. |
| description | •
Objectives. The aim of this study was to compare the maximum loads and modes of failure of four glass ionomer luting cements during post pull-out tests.
•
Methods. The cements studied included two based on conventional glass ionomer cement chemistry,
i.e., a hand-mixed cement and an encapsulated cement, and two based on the newer light-cured chemistry,
i.e., a restorative cement used at a low powder:liquid ratio and an experimental luting cement. One hundred and forty bovine incisors were cut 13 mm from the apex and prepared with post channels, 1.75 mm in diameter and 9 mm long. NiCrMb bonding alloy posts were cast and sandblasted prior to cementation into the roots with each of the cements. Twenty-four hours later, pull-out tests were carried out at a strain rate of 0.5 mm/min. The maximum loads and modes of failure were noted. The data obtained were analyzed using a Kruskal-Wallis test followed by comparison of groups using Mann-Whitney tests.
•
Results. Comparison of the maximum loads revealed a significant difference between the conventional encapsulated cement and all other cements. Weibull analysis of the results gave values for the Weibull moduli and probabilities of survival for a post under a given load for each cement and indicated that the newer cements performed better than the conventional cements.
•
Significance. Further research into the
in vitro and
in vivo behavior of the resin-modified glass ionomer cements in clinical situations where light-curing is not possible is justified. |
| doi_str_mv | 10.1016/0109-5641(94)90046-9 |
| format | Article |
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Objectives. The aim of this study was to compare the maximum loads and modes of failure of four glass ionomer luting cements during post pull-out tests.
•
Methods. The cements studied included two based on conventional glass ionomer cement chemistry,
i.e., a hand-mixed cement and an encapsulated cement, and two based on the newer light-cured chemistry,
i.e., a restorative cement used at a low powder:liquid ratio and an experimental luting cement. One hundred and forty bovine incisors were cut 13 mm from the apex and prepared with post channels, 1.75 mm in diameter and 9 mm long. NiCrMb bonding alloy posts were cast and sandblasted prior to cementation into the roots with each of the cements. Twenty-four hours later, pull-out tests were carried out at a strain rate of 0.5 mm/min. The maximum loads and modes of failure were noted. The data obtained were analyzed using a Kruskal-Wallis test followed by comparison of groups using Mann-Whitney tests.
•
Results. Comparison of the maximum loads revealed a significant difference between the conventional encapsulated cement and all other cements. Weibull analysis of the results gave values for the Weibull moduli and probabilities of survival for a post under a given load for each cement and indicated that the newer cements performed better than the conventional cements.
•
Significance. Further research into the
in vitro and
in vivo behavior of the resin-modified glass ionomer cements in clinical situations where light-curing is not possible is justified.</description><identifier>ISSN: 0109-5641</identifier><identifier>EISSN: 1879-0097</identifier><identifier>DOI: 10.1016/0109-5641(94)90046-9</identifier><identifier>PMID: 7758854</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Acrylic Resins ; Analysis of Variance ; Animals ; Cattle ; Composite Resins ; Dental Bonding ; Dentistry ; Glass Ionomer Cements ; Materials Testing ; Post and Core Technique ; Statistics, Nonparametric ; Survival Analysis ; Tensile Strength</subject><ispartof>Dental materials, 1994-03, Vol.10 (2), p.88-91</ispartof><rights>1994</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c272t-1938db692d51b4be0ab55f5a62ca66acfc2f028d36ebabf4aaca3a1a6034ec33</citedby><cites>FETCH-LOGICAL-c272t-1938db692d51b4be0ab55f5a62ca66acfc2f028d36ebabf4aaca3a1a6034ec33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0109-5641(94)90046-9$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3549,27923,27924,45994</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/7758854$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Mitchell, Christina A.</creatorcontrib><creatorcontrib>Orr, John F.</creatorcontrib><creatorcontrib>Connor, Kerry N.</creatorcontrib><creatorcontrib>Magill, James P.G.</creatorcontrib><creatorcontrib>Maguire, Gavin R.</creatorcontrib><title>Comparative study of four glass ionomer luting cements during post pull-out tests</title><title>Dental materials</title><addtitle>Dent Mater</addtitle><description>•
Objectives. The aim of this study was to compare the maximum loads and modes of failure of four glass ionomer luting cements during post pull-out tests.
•
Methods. The cements studied included two based on conventional glass ionomer cement chemistry,
i.e., a hand-mixed cement and an encapsulated cement, and two based on the newer light-cured chemistry,
i.e., a restorative cement used at a low powder:liquid ratio and an experimental luting cement. One hundred and forty bovine incisors were cut 13 mm from the apex and prepared with post channels, 1.75 mm in diameter and 9 mm long. NiCrMb bonding alloy posts were cast and sandblasted prior to cementation into the roots with each of the cements. Twenty-four hours later, pull-out tests were carried out at a strain rate of 0.5 mm/min. The maximum loads and modes of failure were noted. The data obtained were analyzed using a Kruskal-Wallis test followed by comparison of groups using Mann-Whitney tests.
•
Results. Comparison of the maximum loads revealed a significant difference between the conventional encapsulated cement and all other cements. Weibull analysis of the results gave values for the Weibull moduli and probabilities of survival for a post under a given load for each cement and indicated that the newer cements performed better than the conventional cements.
•
Significance. Further research into the
in vitro and
in vivo behavior of the resin-modified glass ionomer cements in clinical situations where light-curing is not possible is justified.</description><subject>Acrylic Resins</subject><subject>Analysis of Variance</subject><subject>Animals</subject><subject>Cattle</subject><subject>Composite Resins</subject><subject>Dental Bonding</subject><subject>Dentistry</subject><subject>Glass Ionomer Cements</subject><subject>Materials Testing</subject><subject>Post and Core Technique</subject><subject>Statistics, Nonparametric</subject><subject>Survival Analysis</subject><subject>Tensile Strength</subject><issn>0109-5641</issn><issn>1879-0097</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kFtLwzAUx4Moc06_gUKeRB-qSZumzYsgwxsMRNh7SNPTEWmbmstg397WjT36dDic_4XzQ-iakgdKKH8klIgk54zeCXYvCGE8ESdoTstCJISI4hTNj5JzdOH9NxlFqaAzNCuKvCxzNkdfS9sNyqlgtoB9iPUO2wY3Njq8aZX32NjeduBwG4PpN1hDB33wuI5uWgfrAx5i2yY2BhzAB3-JzhrVerg6zAVav76sl-_J6vPtY_m8SnRapCGhIivriou0zmnFKiCqyvMmVzzVinOlG502JC3rjEOlqoYppVWmqOIkY6CzbIFu97GDsz9xLJad8RraVvVgo5dFQQQrMzoK2V6onfXeQSMHZzrldpISOYGUEyU5UZKCyT-QUoy2m0N-rDqoj6YDufH-tL_D-OPWgJNeG-g11MaBDrK25v-CX0OphC0</recordid><startdate>199403</startdate><enddate>199403</enddate><creator>Mitchell, Christina A.</creator><creator>Orr, John F.</creator><creator>Connor, Kerry N.</creator><creator>Magill, James P.G.</creator><creator>Maguire, Gavin R.</creator><general>Elsevier Ltd</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>7X8</scope></search><sort><creationdate>199403</creationdate><title>Comparative study of four glass ionomer luting cements during post pull-out tests</title><author>Mitchell, Christina A. ; Orr, John F. ; Connor, Kerry N. ; Magill, James P.G. ; Maguire, Gavin R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c272t-1938db692d51b4be0ab55f5a62ca66acfc2f028d36ebabf4aaca3a1a6034ec33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>Acrylic Resins</topic><topic>Analysis of Variance</topic><topic>Animals</topic><topic>Cattle</topic><topic>Composite Resins</topic><topic>Dental Bonding</topic><topic>Dentistry</topic><topic>Glass Ionomer Cements</topic><topic>Materials Testing</topic><topic>Post and Core Technique</topic><topic>Statistics, Nonparametric</topic><topic>Survival Analysis</topic><topic>Tensile Strength</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mitchell, Christina A.</creatorcontrib><creatorcontrib>Orr, John F.</creatorcontrib><creatorcontrib>Connor, Kerry N.</creatorcontrib><creatorcontrib>Magill, James P.G.</creatorcontrib><creatorcontrib>Maguire, Gavin R.</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><jtitle>Dental materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mitchell, Christina A.</au><au>Orr, John F.</au><au>Connor, Kerry N.</au><au>Magill, James P.G.</au><au>Maguire, Gavin R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparative study of four glass ionomer luting cements during post pull-out tests</atitle><jtitle>Dental materials</jtitle><addtitle>Dent Mater</addtitle><date>1994-03</date><risdate>1994</risdate><volume>10</volume><issue>2</issue><spage>88</spage><epage>91</epage><pages>88-91</pages><issn>0109-5641</issn><eissn>1879-0097</eissn><abstract>•
Objectives. The aim of this study was to compare the maximum loads and modes of failure of four glass ionomer luting cements during post pull-out tests.
•
Methods. The cements studied included two based on conventional glass ionomer cement chemistry,
i.e., a hand-mixed cement and an encapsulated cement, and two based on the newer light-cured chemistry,
i.e., a restorative cement used at a low powder:liquid ratio and an experimental luting cement. One hundred and forty bovine incisors were cut 13 mm from the apex and prepared with post channels, 1.75 mm in diameter and 9 mm long. NiCrMb bonding alloy posts were cast and sandblasted prior to cementation into the roots with each of the cements. Twenty-four hours later, pull-out tests were carried out at a strain rate of 0.5 mm/min. The maximum loads and modes of failure were noted. The data obtained were analyzed using a Kruskal-Wallis test followed by comparison of groups using Mann-Whitney tests.
•
Results. Comparison of the maximum loads revealed a significant difference between the conventional encapsulated cement and all other cements. Weibull analysis of the results gave values for the Weibull moduli and probabilities of survival for a post under a given load for each cement and indicated that the newer cements performed better than the conventional cements.
•
Significance. Further research into the
in vitro and
in vivo behavior of the resin-modified glass ionomer cements in clinical situations where light-curing is not possible is justified.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>7758854</pmid><doi>10.1016/0109-5641(94)90046-9</doi><tpages>4</tpages></addata></record> |
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| language | eng |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Acrylic Resins Analysis of Variance Animals Cattle Composite Resins Dental Bonding Dentistry Glass Ionomer Cements Materials Testing Post and Core Technique Statistics, Nonparametric Survival Analysis Tensile Strength |
| title | Comparative study of four glass ionomer luting cements during post pull-out tests |
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