Novel methodology to evaluate the effect of residual moisture on epoxy resin sealer/dentine interface: a pilot study
Gibby SG, Wong Y, Kulild JC, Williams KB, Yao X, Walker MP. Novel methodology to evaluate the effect of residual moisture on epoxy resin sealer/dentine interface: a pilot study. International Endodontic Journal 44, 236–244, 2011. Aim To evaluate the sealer/dentine interface associated with an epoxy...
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| creator | Gibby, S. G. Wong, Y. Kulild, J. C. Williams, K. B. Yao, X. Walker, M. P. |
| description | Gibby SG, Wong Y, Kulild JC, Williams KB, Yao X, Walker MP. Novel methodology to evaluate the effect of residual moisture on epoxy resin sealer/dentine interface: a pilot study. International Endodontic Journal 44, 236–244, 2011.
Aim To evaluate the sealer/dentine interface associated with an epoxy resin sealer using the combination of Goldner’s trichrome stain (GTS) and scanning electron microscopy (SEM) to verify the use of the experimental methodology.
Methodology Extracted human maxillary incisors (6) were subjected to root canal treatment. Subsequent to pulp removal, canal instrumentation and smear layer removal using EDTA and NaOCl, teeth were randomly and equally assigned to a ‘wet’ or ‘dry’ group. The ‘dry’ group was desiccated (95% ethanol/suction/paper points/air‐drying), whilst the ‘wet’ group was treated with a saline rinse/suction/single paper point. Canals were then filled with an epoxy‐based resin sealer and warm vertical gutta‐percha compaction. After 7‐day storage at 37 °C, roots from each group were sectioned into apical, middle and coronal horizontal subsections that were cut and split into paired halves and evaluated with GTS or SEM. With GTS sections, hybrid layer and sealer tubular penetration were measured (n = 15 measurements/intracanal location/condition) and evaluated using a two‐factor repeated measures analysis of variance. The SEM qualitative analysis of paired sections was included as a complementary confirmation of GTS analyses.
Results In dry and wet groups, there was no conspicuous sealer/dentine interface hybrid layer, irrespective of canal location. However, dry specimens exhibited more uniform sealer distribution with deeper tubular penetration in the coronal and middle third (P |
| doi_str_mv | 10.1111/j.1365-2591.2010.01806.x |
| format | Article |
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Aim To evaluate the sealer/dentine interface associated with an epoxy resin sealer using the combination of Goldner’s trichrome stain (GTS) and scanning electron microscopy (SEM) to verify the use of the experimental methodology.
Methodology Extracted human maxillary incisors (6) were subjected to root canal treatment. Subsequent to pulp removal, canal instrumentation and smear layer removal using EDTA and NaOCl, teeth were randomly and equally assigned to a ‘wet’ or ‘dry’ group. The ‘dry’ group was desiccated (95% ethanol/suction/paper points/air‐drying), whilst the ‘wet’ group was treated with a saline rinse/suction/single paper point. Canals were then filled with an epoxy‐based resin sealer and warm vertical gutta‐percha compaction. After 7‐day storage at 37 °C, roots from each group were sectioned into apical, middle and coronal horizontal subsections that were cut and split into paired halves and evaluated with GTS or SEM. With GTS sections, hybrid layer and sealer tubular penetration were measured (n = 15 measurements/intracanal location/condition) and evaluated using a two‐factor repeated measures analysis of variance. The SEM qualitative analysis of paired sections was included as a complementary confirmation of GTS analyses.
Results In dry and wet groups, there was no conspicuous sealer/dentine interface hybrid layer, irrespective of canal location. However, dry specimens exhibited more uniform sealer distribution with deeper tubular penetration in the coronal and middle third (P < 0.05). In contrast, there was decreased sealer distribution and tubule penetration in the apical third, regardless of moisture condition (P < 0.05).
Conclusions The experimental methodology (combination of GTS and SEM) can be used to evaluate the intracanal resin sealer/dentine interface. The pilot data indicated that thorough drying of the root canal system may result in improved epoxy resin sealer distribution and deeper resin sealer tubular penetration, especially in the coronal and middle thirds of root canals.</description><identifier>ISSN: 0143-2885</identifier><identifier>EISSN: 1365-2591</identifier><identifier>DOI: 10.1111/j.1365-2591.2010.01806.x</identifier><identifier>PMID: 21039628</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Analysis of Variance ; Azo Compounds ; Coloring Agents ; Dental Bonding ; Dental Leakage - diagnosis ; Dental Leakage - prevention & control ; Dental Marginal Adaptation ; Dentin - drug effects ; Dentin - ultrastructure ; Dentin-Bonding Agents - chemistry ; Dentin-Bonding Agents - pharmacology ; Dentistry ; Eosine Yellowish-(YS) ; Epoxy Resins - chemistry ; Epoxy Resins - pharmacology ; Goldner's trichrome stain ; Humans ; Incisor ; Maxilla ; Methyl Green ; Pilot Projects ; residual moisture ; resin-based sealer ; Root Canal Filling Materials - chemistry ; Root Canal Filling Materials - pharmacology ; scanning electron microscopy ; sealer/dentin interface quality ; Water - chemistry</subject><ispartof>International endodontic journal, 2011-03, Vol.44 (3), p.236-244</ispartof><rights>2010 International Endodontic Journal</rights><rights>2010 International Endodontic Journal.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3576-d0bc8b68ea35fa85e515679a25a61d48ed8c6cdfea74d034f71fe0059e87c9283</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1365-2591.2010.01806.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1365-2591.2010.01806.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21039628$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Gibby, S. G.</creatorcontrib><creatorcontrib>Wong, Y.</creatorcontrib><creatorcontrib>Kulild, J. C.</creatorcontrib><creatorcontrib>Williams, K. B.</creatorcontrib><creatorcontrib>Yao, X.</creatorcontrib><creatorcontrib>Walker, M. P.</creatorcontrib><title>Novel methodology to evaluate the effect of residual moisture on epoxy resin sealer/dentine interface: a pilot study</title><title>International endodontic journal</title><addtitle>Int Endod J</addtitle><description>Gibby SG, Wong Y, Kulild JC, Williams KB, Yao X, Walker MP. Novel methodology to evaluate the effect of residual moisture on epoxy resin sealer/dentine interface: a pilot study. International Endodontic Journal 44, 236–244, 2011.
Aim To evaluate the sealer/dentine interface associated with an epoxy resin sealer using the combination of Goldner’s trichrome stain (GTS) and scanning electron microscopy (SEM) to verify the use of the experimental methodology.
Methodology Extracted human maxillary incisors (6) were subjected to root canal treatment. Subsequent to pulp removal, canal instrumentation and smear layer removal using EDTA and NaOCl, teeth were randomly and equally assigned to a ‘wet’ or ‘dry’ group. The ‘dry’ group was desiccated (95% ethanol/suction/paper points/air‐drying), whilst the ‘wet’ group was treated with a saline rinse/suction/single paper point. Canals were then filled with an epoxy‐based resin sealer and warm vertical gutta‐percha compaction. After 7‐day storage at 37 °C, roots from each group were sectioned into apical, middle and coronal horizontal subsections that were cut and split into paired halves and evaluated with GTS or SEM. With GTS sections, hybrid layer and sealer tubular penetration were measured (n = 15 measurements/intracanal location/condition) and evaluated using a two‐factor repeated measures analysis of variance. The SEM qualitative analysis of paired sections was included as a complementary confirmation of GTS analyses.
Results In dry and wet groups, there was no conspicuous sealer/dentine interface hybrid layer, irrespective of canal location. However, dry specimens exhibited more uniform sealer distribution with deeper tubular penetration in the coronal and middle third (P < 0.05). In contrast, there was decreased sealer distribution and tubule penetration in the apical third, regardless of moisture condition (P < 0.05).
Conclusions The experimental methodology (combination of GTS and SEM) can be used to evaluate the intracanal resin sealer/dentine interface. The pilot data indicated that thorough drying of the root canal system may result in improved epoxy resin sealer distribution and deeper resin sealer tubular penetration, especially in the coronal and middle thirds of root canals.</description><subject>Analysis of Variance</subject><subject>Azo Compounds</subject><subject>Coloring Agents</subject><subject>Dental Bonding</subject><subject>Dental Leakage - diagnosis</subject><subject>Dental Leakage - prevention & control</subject><subject>Dental Marginal Adaptation</subject><subject>Dentin - drug effects</subject><subject>Dentin - ultrastructure</subject><subject>Dentin-Bonding Agents - chemistry</subject><subject>Dentin-Bonding Agents - pharmacology</subject><subject>Dentistry</subject><subject>Eosine Yellowish-(YS)</subject><subject>Epoxy Resins - chemistry</subject><subject>Epoxy Resins - pharmacology</subject><subject>Goldner's trichrome stain</subject><subject>Humans</subject><subject>Incisor</subject><subject>Maxilla</subject><subject>Methyl Green</subject><subject>Pilot Projects</subject><subject>residual moisture</subject><subject>resin-based sealer</subject><subject>Root Canal Filling Materials - chemistry</subject><subject>Root Canal Filling Materials - pharmacology</subject><subject>scanning electron microscopy</subject><subject>sealer/dentin interface quality</subject><subject>Water - chemistry</subject><issn>0143-2885</issn><issn>1365-2591</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kV1v2yAYhdG0aUk__kLF3a6cgDEYT9rF1HVdq6q96YfUG0TMS-OMmNTgNP73w00XbkCcc17pfQ5CmJIZTWe-mlEmeJbzis5ykn4JlUTMdp_Q9CB8RlNCC5blUvIJOgphRQjhhNGvaJJTwiqRyymKt34LDq8hLr3xzr8MOHoMW-16HQHHJWCwFuqIvcUdhMb0Otl9E2LfAfYtho3fDe9SiwNoB93cQBubFnDTRuisruE71njTOB9xipnhBH2x2gU4_biP0cPvi_vzP9nN3eXV-c-brGa8FJkhi1ouhATNuNWSA6dclJXOuRbUFBKMrEVtLOiyMIQVtqQW0o4VyLKucsmO0bf93E3nX3sIUa2bUINzugXfByWLKsGjcnSefTj7xRqM2nTNWneD-g8qGX7sDW-Ng-GgU6LGQtRKjdzVyF2Nhaj3QtROXV1cj6-Uz_b5BA52h7zu_ipRspKrp9tL9fjr-ZqxNIKxf71_j0I</recordid><startdate>201103</startdate><enddate>201103</enddate><creator>Gibby, S. G.</creator><creator>Wong, Y.</creator><creator>Kulild, J. C.</creator><creator>Williams, K. B.</creator><creator>Yao, X.</creator><creator>Walker, M. P.</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>201103</creationdate><title>Novel methodology to evaluate the effect of residual moisture on epoxy resin sealer/dentine interface: a pilot study</title><author>Gibby, S. G. ; Wong, Y. ; Kulild, J. C. ; Williams, K. B. ; Yao, X. ; Walker, M. P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3576-d0bc8b68ea35fa85e515679a25a61d48ed8c6cdfea74d034f71fe0059e87c9283</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Analysis of Variance</topic><topic>Azo Compounds</topic><topic>Coloring Agents</topic><topic>Dental Bonding</topic><topic>Dental Leakage - diagnosis</topic><topic>Dental Leakage - prevention & control</topic><topic>Dental Marginal Adaptation</topic><topic>Dentin - drug effects</topic><topic>Dentin - ultrastructure</topic><topic>Dentin-Bonding Agents - chemistry</topic><topic>Dentin-Bonding Agents - pharmacology</topic><topic>Dentistry</topic><topic>Eosine Yellowish-(YS)</topic><topic>Epoxy Resins - chemistry</topic><topic>Epoxy Resins - pharmacology</topic><topic>Goldner's trichrome stain</topic><topic>Humans</topic><topic>Incisor</topic><topic>Maxilla</topic><topic>Methyl Green</topic><topic>Pilot Projects</topic><topic>residual moisture</topic><topic>resin-based sealer</topic><topic>Root Canal Filling Materials - chemistry</topic><topic>Root Canal Filling Materials - pharmacology</topic><topic>scanning electron microscopy</topic><topic>sealer/dentin interface quality</topic><topic>Water - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gibby, S. G.</creatorcontrib><creatorcontrib>Wong, Y.</creatorcontrib><creatorcontrib>Kulild, J. C.</creatorcontrib><creatorcontrib>Williams, K. B.</creatorcontrib><creatorcontrib>Yao, X.</creatorcontrib><creatorcontrib>Walker, M. P.</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>International endodontic journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gibby, S. G.</au><au>Wong, Y.</au><au>Kulild, J. C.</au><au>Williams, K. B.</au><au>Yao, X.</au><au>Walker, M. P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Novel methodology to evaluate the effect of residual moisture on epoxy resin sealer/dentine interface: a pilot study</atitle><jtitle>International endodontic journal</jtitle><addtitle>Int Endod J</addtitle><date>2011-03</date><risdate>2011</risdate><volume>44</volume><issue>3</issue><spage>236</spage><epage>244</epage><pages>236-244</pages><issn>0143-2885</issn><eissn>1365-2591</eissn><abstract>Gibby SG, Wong Y, Kulild JC, Williams KB, Yao X, Walker MP. Novel methodology to evaluate the effect of residual moisture on epoxy resin sealer/dentine interface: a pilot study. International Endodontic Journal 44, 236–244, 2011.
Aim To evaluate the sealer/dentine interface associated with an epoxy resin sealer using the combination of Goldner’s trichrome stain (GTS) and scanning electron microscopy (SEM) to verify the use of the experimental methodology.
Methodology Extracted human maxillary incisors (6) were subjected to root canal treatment. Subsequent to pulp removal, canal instrumentation and smear layer removal using EDTA and NaOCl, teeth were randomly and equally assigned to a ‘wet’ or ‘dry’ group. The ‘dry’ group was desiccated (95% ethanol/suction/paper points/air‐drying), whilst the ‘wet’ group was treated with a saline rinse/suction/single paper point. Canals were then filled with an epoxy‐based resin sealer and warm vertical gutta‐percha compaction. After 7‐day storage at 37 °C, roots from each group were sectioned into apical, middle and coronal horizontal subsections that were cut and split into paired halves and evaluated with GTS or SEM. With GTS sections, hybrid layer and sealer tubular penetration were measured (n = 15 measurements/intracanal location/condition) and evaluated using a two‐factor repeated measures analysis of variance. The SEM qualitative analysis of paired sections was included as a complementary confirmation of GTS analyses.
Results In dry and wet groups, there was no conspicuous sealer/dentine interface hybrid layer, irrespective of canal location. However, dry specimens exhibited more uniform sealer distribution with deeper tubular penetration in the coronal and middle third (P < 0.05). In contrast, there was decreased sealer distribution and tubule penetration in the apical third, regardless of moisture condition (P < 0.05).
Conclusions The experimental methodology (combination of GTS and SEM) can be used to evaluate the intracanal resin sealer/dentine interface. The pilot data indicated that thorough drying of the root canal system may result in improved epoxy resin sealer distribution and deeper resin sealer tubular penetration, especially in the coronal and middle thirds of root canals.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>21039628</pmid><doi>10.1111/j.1365-2591.2010.01806.x</doi><tpages>9</tpages></addata></record> |
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| subjects | Analysis of Variance Azo Compounds Coloring Agents Dental Bonding Dental Leakage - diagnosis Dental Leakage - prevention & control Dental Marginal Adaptation Dentin - drug effects Dentin - ultrastructure Dentin-Bonding Agents - chemistry Dentin-Bonding Agents - pharmacology Dentistry Eosine Yellowish-(YS) Epoxy Resins - chemistry Epoxy Resins - pharmacology Goldner's trichrome stain Humans Incisor Maxilla Methyl Green Pilot Projects residual moisture resin-based sealer Root Canal Filling Materials - chemistry Root Canal Filling Materials - pharmacology scanning electron microscopy sealer/dentin interface quality Water - chemistry |
| title | Novel methodology to evaluate the effect of residual moisture on epoxy resin sealer/dentine interface: a pilot study |
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