The Effect of Preparation Height and Luting Agent on the Resistance form of Cemented Cast Crowns Under Load Fatigue
The minimum amount of resistance form required for the success of a clinical crown is unknown.There is little information on the fatigue performance of complete coverage restorations on natural tooth preparations cemented with different luting cements. The purpose of this study was to evaluate the e...
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| Veröffentlicht in: | The Journal of prosthetic dentistry 2009-09, Vol.102 (3), p.155-164 |
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| creator | Leong, Elvin W.J., BDS, MDS Choon Tan, Keson Beng, BDS, MSD Nicholls, Jack Ivan, PhD Chua, Ee Kiam, BDS, MDS Wong, Keng Mun, BDS, MSD Neo, Jennifer Chiew Lian, BDS, MS |
| description | The minimum amount of resistance form required for the success of a clinical crown is unknown.There is little information on the fatigue performance of complete coverage restorations on natural tooth preparations cemented with different luting cements.
The purpose of this study was to evaluate the effect of tooth preparation height and luting agent on resistance form using unidirectional load fatigue testing. For a given tooth preparation with a clinically relevant total occlusal convergence (TOC), the adequacy of resistance form was investigated.
Sixty-four human maxillary premolars were prepared with occlusal-cervical dimensions of 2, 3,4, or 5 mm and a TOC of 20 degrees. Complete metal crowns were cemented using either zinc phosphate cement (HY Bond;ZP groups) or resin cement (Panavia F; PF groups). Cyclic load fatigue testing was done with an applied load of 6.0 kg at 2.6 Hz. Load cycles to preliminary failure were detected with a strain gauge at the palatal crown-tooth interface. Results were subjected to the Kruskal-Wallis test and the Wilcoxon post-hoc rank sum test (alpha=.05).
Groups ZP4, ZP5, PF2, PF3, PF4, and PF5 had the highest mean number of cycles to preliminary failure,while group ZP2 had the lowest mean number of cycles to failure. Group ZP2 was significantly different (P |
| doi_str_mv | 10.1016/S0022-3913(09)60137-2 |
| format | Article |
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The purpose of this study was to evaluate the effect of tooth preparation height and luting agent on resistance form using unidirectional load fatigue testing. For a given tooth preparation with a clinically relevant total occlusal convergence (TOC), the adequacy of resistance form was investigated.
Sixty-four human maxillary premolars were prepared with occlusal-cervical dimensions of 2, 3,4, or 5 mm and a TOC of 20 degrees. Complete metal crowns were cemented using either zinc phosphate cement (HY Bond;ZP groups) or resin cement (Panavia F; PF groups). Cyclic load fatigue testing was done with an applied load of 6.0 kg at 2.6 Hz. Load cycles to preliminary failure were detected with a strain gauge at the palatal crown-tooth interface. Results were subjected to the Kruskal-Wallis test and the Wilcoxon post-hoc rank sum test (alpha=.05).
Groups ZP4, ZP5, PF2, PF3, PF4, and PF5 had the highest mean number of cycles to preliminary failure,while group ZP2 had the lowest mean number of cycles to failure. Group ZP2 was significantly different (P<.001) from all other test groups for the number of cycles to failure.
For the 2- and 3-mm preparation height groups, zinc phosphate cement exhibited a poorer fatigue performance compared to Panavia F. There was no significant difference in the number of cycles to failure for groups ZP4,ZP5, PF2, PF3, PF4, and PF5. For both cements, the number of cycles to failure increased with increasing resistance length. (J Prosthet Dent 2009;102:155-164)</description><identifier>ISSN: 0022-3913</identifier><identifier>EISSN: 1097-6841</identifier><identifier>DOI: 10.1016/S0022-3913(09)60137-2</identifier><identifier>PMID: 19703622</identifier><language>eng</language><publisher>United States: Mosby, Inc</publisher><subject>Bicuspid ; Crowns ; Dental Bonding - methods ; Dental Cements - chemistry ; Dental Debonding ; Dental Prosthesis Retention - methods ; Dental Restoration Failure ; Dental Stress Analysis ; Dentistry ; Humans ; Statistics, Nonparametric ; Tooth Crown - anatomy & histology ; Tooth Preparation, Prosthodontic - methods ; Weight-Bearing</subject><ispartof>The Journal of prosthetic dentistry, 2009-09, Vol.102 (3), p.155-164</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-c449t-aabb93603bbcd08ec02c3265cb2deb5c6f2519d815ae0a5a1613fadfcb9a8e833</citedby><cites>FETCH-LOGICAL-c449t-aabb93603bbcd08ec02c3265cb2deb5c6f2519d815ae0a5a1613fadfcb9a8e833</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0022-3913(09)60137-2$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,45974</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19703622$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Leong, Elvin W.J., BDS, MDS</creatorcontrib><creatorcontrib>Choon Tan, Keson Beng, BDS, MSD</creatorcontrib><creatorcontrib>Nicholls, Jack Ivan, PhD</creatorcontrib><creatorcontrib>Chua, Ee Kiam, BDS, MDS</creatorcontrib><creatorcontrib>Wong, Keng Mun, BDS, MSD</creatorcontrib><creatorcontrib>Neo, Jennifer Chiew Lian, BDS, MS</creatorcontrib><title>The Effect of Preparation Height and Luting Agent on the Resistance form of Cemented Cast Crowns Under Load Fatigue</title><title>The Journal of prosthetic dentistry</title><addtitle>J Prosthet Dent</addtitle><description>The minimum amount of resistance form required for the success of a clinical crown is unknown.There is little information on the fatigue performance of complete coverage restorations on natural tooth preparations cemented with different luting cements.
The purpose of this study was to evaluate the effect of tooth preparation height and luting agent on resistance form using unidirectional load fatigue testing. For a given tooth preparation with a clinically relevant total occlusal convergence (TOC), the adequacy of resistance form was investigated.
Sixty-four human maxillary premolars were prepared with occlusal-cervical dimensions of 2, 3,4, or 5 mm and a TOC of 20 degrees. Complete metal crowns were cemented using either zinc phosphate cement (HY Bond;ZP groups) or resin cement (Panavia F; PF groups). Cyclic load fatigue testing was done with an applied load of 6.0 kg at 2.6 Hz. Load cycles to preliminary failure were detected with a strain gauge at the palatal crown-tooth interface. Results were subjected to the Kruskal-Wallis test and the Wilcoxon post-hoc rank sum test (alpha=.05).
Groups ZP4, ZP5, PF2, PF3, PF4, and PF5 had the highest mean number of cycles to preliminary failure,while group ZP2 had the lowest mean number of cycles to failure. Group ZP2 was significantly different (P<.001) from all other test groups for the number of cycles to failure.
For the 2- and 3-mm preparation height groups, zinc phosphate cement exhibited a poorer fatigue performance compared to Panavia F. There was no significant difference in the number of cycles to failure for groups ZP4,ZP5, PF2, PF3, PF4, and PF5. For both cements, the number of cycles to failure increased with increasing resistance length. (J Prosthet Dent 2009;102:155-164)</description><subject>Bicuspid</subject><subject>Crowns</subject><subject>Dental Bonding - methods</subject><subject>Dental Cements - chemistry</subject><subject>Dental Debonding</subject><subject>Dental Prosthesis Retention - methods</subject><subject>Dental Restoration Failure</subject><subject>Dental Stress Analysis</subject><subject>Dentistry</subject><subject>Humans</subject><subject>Statistics, Nonparametric</subject><subject>Tooth Crown - anatomy & histology</subject><subject>Tooth Preparation, Prosthodontic - methods</subject><subject>Weight-Bearing</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>eNqFkU1rFTEUhoMo9rb6E5SsRBejJ8l8ZaOUobXCBUXbdcgkZ25TZ5JrMqP03zf3AwU3XZ3N8z4H3peQVwzeM2D1hx8AnBdCMvEW5LsamGgK_oSsGMimqNuSPSWrv8gJOU3pDgDaqmHPyQmTDYia8xVJ17dIL4YBzUzDQL9F3OqoZxc8vUK3uZ2p9paul9n5DT3foM-Yp3MOfcfk0qy9QTqEOO3SHU4ZQEs7nWbaxfDHJ3rjLUa6DtrSyyzeLPiCPBv0mPDl8Z6Rm8uL6-6qWH_9_KU7XxemLOVcaN33UtQg-t5YaNEAN4LXlem5xb4y9cArJm3LKo2gK81qJgZtB9NL3WIrxBl5c_BuY_i1YJrV5JLBcdQew5JU3VRSlqJ5FBSlrHLpMoPVATQxpBRxUNvoJh3vFQO1m0XtZ1G7zhVItZ9F8Zx7fXyw9BPaf6njDhn4dAAw9_HbYVTJOMzdWhfzNMoG9-iLj_8ZzOi8M3r8ifeY7sISfS5bMZW4goNk5wC5N3DxAN1isbM</recordid><startdate>20090901</startdate><enddate>20090901</enddate><creator>Leong, Elvin W.J., BDS, MDS</creator><creator>Choon Tan, Keson Beng, BDS, MSD</creator><creator>Nicholls, Jack Ivan, PhD</creator><creator>Chua, Ee Kiam, BDS, MDS</creator><creator>Wong, Keng Mun, BDS, MSD</creator><creator>Neo, Jennifer Chiew Lian, BDS, MS</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>20090901</creationdate><title>The Effect of Preparation Height and Luting Agent on the Resistance form of Cemented Cast Crowns Under Load Fatigue</title><author>Leong, Elvin W.J., BDS, MDS ; Choon Tan, Keson Beng, BDS, MSD ; Nicholls, Jack Ivan, PhD ; Chua, Ee Kiam, BDS, MDS ; Wong, Keng Mun, BDS, MSD ; Neo, Jennifer Chiew Lian, BDS, MS</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c449t-aabb93603bbcd08ec02c3265cb2deb5c6f2519d815ae0a5a1613fadfcb9a8e833</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Bicuspid</topic><topic>Crowns</topic><topic>Dental Bonding - methods</topic><topic>Dental Cements - chemistry</topic><topic>Dental Debonding</topic><topic>Dental Prosthesis Retention - methods</topic><topic>Dental Restoration Failure</topic><topic>Dental Stress Analysis</topic><topic>Dentistry</topic><topic>Humans</topic><topic>Statistics, Nonparametric</topic><topic>Tooth Crown - anatomy & histology</topic><topic>Tooth Preparation, Prosthodontic - methods</topic><topic>Weight-Bearing</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Leong, Elvin W.J., BDS, MDS</creatorcontrib><creatorcontrib>Choon Tan, Keson Beng, BDS, MSD</creatorcontrib><creatorcontrib>Nicholls, Jack Ivan, PhD</creatorcontrib><creatorcontrib>Chua, Ee Kiam, BDS, MDS</creatorcontrib><creatorcontrib>Wong, Keng Mun, BDS, MSD</creatorcontrib><creatorcontrib>Neo, Jennifer Chiew Lian, BDS, MS</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>Leong, Elvin W.J., BDS, MDS</au><au>Choon Tan, Keson Beng, BDS, MSD</au><au>Nicholls, Jack Ivan, PhD</au><au>Chua, Ee Kiam, BDS, MDS</au><au>Wong, Keng Mun, BDS, MSD</au><au>Neo, Jennifer Chiew Lian, BDS, MS</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Effect of Preparation Height and Luting Agent on the Resistance form of Cemented Cast Crowns Under Load Fatigue</atitle><jtitle>The Journal of prosthetic dentistry</jtitle><addtitle>J Prosthet Dent</addtitle><date>2009-09-01</date><risdate>2009</risdate><volume>102</volume><issue>3</issue><spage>155</spage><epage>164</epage><pages>155-164</pages><issn>0022-3913</issn><eissn>1097-6841</eissn><abstract>The minimum amount of resistance form required for the success of a clinical crown is unknown.There is little information on the fatigue performance of complete coverage restorations on natural tooth preparations cemented with different luting cements.
The purpose of this study was to evaluate the effect of tooth preparation height and luting agent on resistance form using unidirectional load fatigue testing. For a given tooth preparation with a clinically relevant total occlusal convergence (TOC), the adequacy of resistance form was investigated.
Sixty-four human maxillary premolars were prepared with occlusal-cervical dimensions of 2, 3,4, or 5 mm and a TOC of 20 degrees. Complete metal crowns were cemented using either zinc phosphate cement (HY Bond;ZP groups) or resin cement (Panavia F; PF groups). Cyclic load fatigue testing was done with an applied load of 6.0 kg at 2.6 Hz. Load cycles to preliminary failure were detected with a strain gauge at the palatal crown-tooth interface. Results were subjected to the Kruskal-Wallis test and the Wilcoxon post-hoc rank sum test (alpha=.05).
Groups ZP4, ZP5, PF2, PF3, PF4, and PF5 had the highest mean number of cycles to preliminary failure,while group ZP2 had the lowest mean number of cycles to failure. Group ZP2 was significantly different (P<.001) from all other test groups for the number of cycles to failure.
For the 2- and 3-mm preparation height groups, zinc phosphate cement exhibited a poorer fatigue performance compared to Panavia F. There was no significant difference in the number of cycles to failure for groups ZP4,ZP5, PF2, PF3, PF4, and PF5. For both cements, the number of cycles to failure increased with increasing resistance length. (J Prosthet Dent 2009;102:155-164)</abstract><cop>United States</cop><pub>Mosby, Inc</pub><pmid>19703622</pmid><doi>10.1016/S0022-3913(09)60137-2</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | The Journal of prosthetic dentistry, 2009-09, Vol.102 (3), p.155-164 |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Bicuspid Crowns Dental Bonding - methods Dental Cements - chemistry Dental Debonding Dental Prosthesis Retention - methods Dental Restoration Failure Dental Stress Analysis Dentistry Humans Statistics, Nonparametric Tooth Crown - anatomy & histology Tooth Preparation, Prosthodontic - methods Weight-Bearing |
| title | The Effect of Preparation Height and Luting Agent on the Resistance form of Cemented Cast Crowns Under Load Fatigue |
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