Microleakage in overflared root canals restored with different fiber reinforced dowels
This study evaluated microleakage in overflared root canals restored with four different types of adhesively-luted fiber-reinforced dowels: DT Light Post (LP), Glassix (GL), Ribbond (RB) and StickTech Post (ST). Forty non-carious, single-rooted mandibular human premolars with straight root canals we...
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| Veröffentlicht in: | Operative dentistry 2008-01, Vol.33 (1), p.96-105 |
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| container_title | Operative dentistry |
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| creator | Erkut, Selim Gulsahi, Kamran Caglar, Alper Imirzalioglu, Pervin Karbhari, Vistasp M Ozmen, Ilknur |
| description | This study evaluated microleakage in overflared root canals restored with four different types of adhesively-luted fiber-reinforced dowels: DT Light Post (LP), Glassix (GL), Ribbond (RB) and StickTech Post (ST). Forty non-carious, single-rooted mandibular human premolars with straight root canals were prepared using a step-back technique and obturated with gutta-percha using lateral condensation. The restored roots were randomly divided into four groups (n=10). The root canals were overprepared, creating an overflared dowel space, and each dowel was adhesively luted using a total-etched adhesive (Single Bond) and dual-polymerizing luting agent (RelyX ARC). All specimens were thermal cycled 1000 times between 5 degrees C and 55 degrees C and stored in 2% methylene-blue solution for one week. The teeth were cut horizontally into three consecutive sections: apical (A), middle (M) and coronal (C). Each section was digitally photographed from the occlusal direction under a stereomicroscope. The images were transferred to a PC and stored in TIFF format. For each image, dye penetration was estimated as the ratio of methylene-blue-infiltrated surface divided by total dentin surfaces. The data were compared and statistically analyzed using the Kruskal-Wallis test (p |
| doi_str_mv | 10.2341/07-47 |
| format | Article |
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Forty non-carious, single-rooted mandibular human premolars with straight root canals were prepared using a step-back technique and obturated with gutta-percha using lateral condensation. The restored roots were randomly divided into four groups (n=10). The root canals were overprepared, creating an overflared dowel space, and each dowel was adhesively luted using a total-etched adhesive (Single Bond) and dual-polymerizing luting agent (RelyX ARC). All specimens were thermal cycled 1000 times between 5 degrees C and 55 degrees C and stored in 2% methylene-blue solution for one week. The teeth were cut horizontally into three consecutive sections: apical (A), middle (M) and coronal (C). Each section was digitally photographed from the occlusal direction under a stereomicroscope. The images were transferred to a PC and stored in TIFF format. For each image, dye penetration was estimated as the ratio of methylene-blue-infiltrated surface divided by total dentin surfaces. The data were compared and statistically analyzed using the Kruskal-Wallis test (p<.05). The Mann-Whitney U test was used to compute multiple pairwise comparisons to determine differences between the experimental groups (p=.083). Dentin-luting agent fiber-reinforced dowel (FRD) interfaces were evaluated under a scanning electron microscope. Scanning electron microscopy (SEM) showed detachment of the luting resin from the dentin surface in varying degrees in all specimens evaluated. All groups showed considerable leakage at the sections evaluated. Significant differences were demonstrated between LP-RB for the apical and middle sections and between GL-RB, LP-RB and ST-RB for the coronal sections (p<.0083). Among the FRDs evaluated, the individually shaped polyethylene-reinforced dowel (Ribbond) showed the least overall leakage.</description><identifier>ISSN: 0361-7734</identifier><identifier>EISSN: 1559-2863</identifier><identifier>DOI: 10.2341/07-47</identifier><identifier>PMID: 18335739</identifier><language>eng</language><publisher>United States</publisher><subject>Bicuspid ; Bisphenol A-Glycidyl Methacrylate ; Composite Resins - chemistry ; Dental Leakage - etiology ; Dentin-Bonding Agents ; Dentistry ; Glass ; Humans ; Microscopy, Electron, Scanning ; Polyethylene Glycols ; Polyethylenes ; Polymethacrylic Acids ; Post and Core Technique ; Quartz ; Resin Cements ; Root Canal Preparation - adverse effects ; Statistics, Nonparametric</subject><ispartof>Operative dentistry, 2008-01, Vol.33 (1), p.96-105</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c306t-ff257b68115016d2cbc213fc744560544a607f86cdc6e720a17fb93bdf249da03</citedby><cites>FETCH-LOGICAL-c306t-ff257b68115016d2cbc213fc744560544a607f86cdc6e720a17fb93bdf249da03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18335739$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Erkut, Selim</creatorcontrib><creatorcontrib>Gulsahi, Kamran</creatorcontrib><creatorcontrib>Caglar, Alper</creatorcontrib><creatorcontrib>Imirzalioglu, Pervin</creatorcontrib><creatorcontrib>Karbhari, Vistasp M</creatorcontrib><creatorcontrib>Ozmen, Ilknur</creatorcontrib><title>Microleakage in overflared root canals restored with different fiber reinforced dowels</title><title>Operative dentistry</title><addtitle>Oper Dent</addtitle><description>This study evaluated microleakage in overflared root canals restored with four different types of adhesively-luted fiber-reinforced dowels: DT Light Post (LP), Glassix (GL), Ribbond (RB) and StickTech Post (ST). Forty non-carious, single-rooted mandibular human premolars with straight root canals were prepared using a step-back technique and obturated with gutta-percha using lateral condensation. The restored roots were randomly divided into four groups (n=10). The root canals were overprepared, creating an overflared dowel space, and each dowel was adhesively luted using a total-etched adhesive (Single Bond) and dual-polymerizing luting agent (RelyX ARC). All specimens were thermal cycled 1000 times between 5 degrees C and 55 degrees C and stored in 2% methylene-blue solution for one week. The teeth were cut horizontally into three consecutive sections: apical (A), middle (M) and coronal (C). Each section was digitally photographed from the occlusal direction under a stereomicroscope. The images were transferred to a PC and stored in TIFF format. For each image, dye penetration was estimated as the ratio of methylene-blue-infiltrated surface divided by total dentin surfaces. The data were compared and statistically analyzed using the Kruskal-Wallis test (p<.05). The Mann-Whitney U test was used to compute multiple pairwise comparisons to determine differences between the experimental groups (p=.083). Dentin-luting agent fiber-reinforced dowel (FRD) interfaces were evaluated under a scanning electron microscope. Scanning electron microscopy (SEM) showed detachment of the luting resin from the dentin surface in varying degrees in all specimens evaluated. All groups showed considerable leakage at the sections evaluated. Significant differences were demonstrated between LP-RB for the apical and middle sections and between GL-RB, LP-RB and ST-RB for the coronal sections (p<.0083). Among the FRDs evaluated, the individually shaped polyethylene-reinforced dowel (Ribbond) showed the least overall leakage.</description><subject>Bicuspid</subject><subject>Bisphenol A-Glycidyl Methacrylate</subject><subject>Composite Resins - chemistry</subject><subject>Dental Leakage - etiology</subject><subject>Dentin-Bonding Agents</subject><subject>Dentistry</subject><subject>Glass</subject><subject>Humans</subject><subject>Microscopy, Electron, Scanning</subject><subject>Polyethylene Glycols</subject><subject>Polyethylenes</subject><subject>Polymethacrylic Acids</subject><subject>Post and Core Technique</subject><subject>Quartz</subject><subject>Resin Cements</subject><subject>Root Canal Preparation - adverse effects</subject><subject>Statistics, Nonparametric</subject><issn>0361-7734</issn><issn>1559-2863</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkEtPwzAQhC0EoqX0LyBf4Bbw28kRIV5SERfgajn2GgxpXOyUin9PqlbitNLOt6OdQWhOySXjgl4RXQl9gKZUyqZiteKHaEq4opXWXEzQSSmfhAgppDxGE1pzLjVvpujtKbqcOrBf9h1w7HH6gRw6m8HjnNKAne1tV3CGMqTtchOHD-xjCJChH3CILeRRjX1I2Y26Txvoyik6CuMZzPdzhl7vbl9uHqrF8_3jzfWicpyooQqBSd2qmlJJqPLMtY5RHpwWQioihbCK6FAr550CzYilOrQNb31govGW8Bm62Pmucvpejz-aZSwOus72kNbFaMIbzpQYwfMdOKYtJUMwqxyXNv8aSsy2QEO0EXrkzvaG63YJ_p_aN8b_APnWatE</recordid><startdate>200801</startdate><enddate>200801</enddate><creator>Erkut, Selim</creator><creator>Gulsahi, Kamran</creator><creator>Caglar, Alper</creator><creator>Imirzalioglu, Pervin</creator><creator>Karbhari, Vistasp M</creator><creator>Ozmen, Ilknur</creator><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>200801</creationdate><title>Microleakage in overflared root canals restored with different fiber reinforced dowels</title><author>Erkut, Selim ; Gulsahi, Kamran ; Caglar, Alper ; Imirzalioglu, Pervin ; Karbhari, Vistasp M ; Ozmen, Ilknur</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c306t-ff257b68115016d2cbc213fc744560544a607f86cdc6e720a17fb93bdf249da03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Bicuspid</topic><topic>Bisphenol A-Glycidyl Methacrylate</topic><topic>Composite Resins - chemistry</topic><topic>Dental Leakage - etiology</topic><topic>Dentin-Bonding Agents</topic><topic>Dentistry</topic><topic>Glass</topic><topic>Humans</topic><topic>Microscopy, Electron, Scanning</topic><topic>Polyethylene Glycols</topic><topic>Polyethylenes</topic><topic>Polymethacrylic Acids</topic><topic>Post and Core Technique</topic><topic>Quartz</topic><topic>Resin Cements</topic><topic>Root Canal Preparation - adverse effects</topic><topic>Statistics, Nonparametric</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Erkut, Selim</creatorcontrib><creatorcontrib>Gulsahi, Kamran</creatorcontrib><creatorcontrib>Caglar, Alper</creatorcontrib><creatorcontrib>Imirzalioglu, Pervin</creatorcontrib><creatorcontrib>Karbhari, Vistasp M</creatorcontrib><creatorcontrib>Ozmen, Ilknur</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>Operative dentistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Erkut, Selim</au><au>Gulsahi, Kamran</au><au>Caglar, Alper</au><au>Imirzalioglu, Pervin</au><au>Karbhari, Vistasp M</au><au>Ozmen, Ilknur</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microleakage in overflared root canals restored with different fiber reinforced dowels</atitle><jtitle>Operative dentistry</jtitle><addtitle>Oper Dent</addtitle><date>2008-01</date><risdate>2008</risdate><volume>33</volume><issue>1</issue><spage>96</spage><epage>105</epage><pages>96-105</pages><issn>0361-7734</issn><eissn>1559-2863</eissn><abstract>This study evaluated microleakage in overflared root canals restored with four different types of adhesively-luted fiber-reinforced dowels: DT Light Post (LP), Glassix (GL), Ribbond (RB) and StickTech Post (ST). Forty non-carious, single-rooted mandibular human premolars with straight root canals were prepared using a step-back technique and obturated with gutta-percha using lateral condensation. The restored roots were randomly divided into four groups (n=10). The root canals were overprepared, creating an overflared dowel space, and each dowel was adhesively luted using a total-etched adhesive (Single Bond) and dual-polymerizing luting agent (RelyX ARC). All specimens were thermal cycled 1000 times between 5 degrees C and 55 degrees C and stored in 2% methylene-blue solution for one week. The teeth were cut horizontally into three consecutive sections: apical (A), middle (M) and coronal (C). Each section was digitally photographed from the occlusal direction under a stereomicroscope. The images were transferred to a PC and stored in TIFF format. For each image, dye penetration was estimated as the ratio of methylene-blue-infiltrated surface divided by total dentin surfaces. The data were compared and statistically analyzed using the Kruskal-Wallis test (p<.05). The Mann-Whitney U test was used to compute multiple pairwise comparisons to determine differences between the experimental groups (p=.083). Dentin-luting agent fiber-reinforced dowel (FRD) interfaces were evaluated under a scanning electron microscope. Scanning electron microscopy (SEM) showed detachment of the luting resin from the dentin surface in varying degrees in all specimens evaluated. All groups showed considerable leakage at the sections evaluated. Significant differences were demonstrated between LP-RB for the apical and middle sections and between GL-RB, LP-RB and ST-RB for the coronal sections (p<.0083). Among the FRDs evaluated, the individually shaped polyethylene-reinforced dowel (Ribbond) showed the least overall leakage.</abstract><cop>United States</cop><pmid>18335739</pmid><doi>10.2341/07-47</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; Allen Press Journals; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Bicuspid Bisphenol A-Glycidyl Methacrylate Composite Resins - chemistry Dental Leakage - etiology Dentin-Bonding Agents Dentistry Glass Humans Microscopy, Electron, Scanning Polyethylene Glycols Polyethylenes Polymethacrylic Acids Post and Core Technique Quartz Resin Cements Root Canal Preparation - adverse effects Statistics, Nonparametric |
| title | Microleakage in overflared root canals restored with different fiber reinforced dowels |
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