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Novel priming and crosslinking systems for use with isocyanatomethacrylate dental adhesives
Objectives: (a) to design, formulate and evaluate prototype primers and a crosslinking agent for use with isocyanatomethacrylate-based comonomer adhesives and (b) to establish correlations between bond strength and solubility parameter differences between the adhesives and etched dentin, and the per...
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Published in: | Dental materials 2000-11, Vol.16 (6), p.396-405 |
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creator | Chappelow, C.C Power, M.D Bowles, C.Q Miller, R.G Pinzino, C.S Eick, J.D |
description | Objectives: (a) to design, formulate and evaluate prototype primers and a crosslinking agent for use with isocyanatomethacrylate-based comonomer adhesives and (b) to establish correlations between bond strength and solubility parameter differences between the adhesives and etched dentin, and the permeability coefficients of the adhesives.
Methods: Equimolar mixtures of 2-isocyanatoethyl methacrylate (IEM) and a methacrylate comonomer were formulated with tri-
n-butyl borane oxide (TBBO) as the free radical initiator to have cure times of 6–10
min. Shear bond strengths to dentin were determined for each adhesive mixture (
n=7) using standard testing protocols. Shear bond strengths for the three systems were also determined after application of “reactive primers” to the dentin surface. The “reactive primers” contained 10–20 parts by weight of the respective comonomer mixture and 3.5 parts by weight TBBO in acetone. Solubility parameters difference values (Δ
δ) and permeability coefficients (
P) were approximated for each adhesive system and correlated with shear bond strength values. Additionally, a crosslinking agent was prepared by bulk reaction of an equimolar mixture containing IEM and a methacrylate comonomer. The effects of crosslinker addition on: (a) the setting time of IEM; and (b) the setting times and initiator requirements of selected IEM/comonomer mixtures were determined.
Results: Shear bond strength values (MPa): IEM/HEMA 13.6±2.0 (no primer), 20.1±2.0 (with primer); IEM/HETMA 9.3±3.3 (no primer), 20.8±8.1 (with primer); IEM/AAEMA 13.6±1.9 (no primer), 17.3±3.2 (with primer). Also, approximated permeability coefficients showed a significant correlation (
r=+0.867,
p |
doi_str_mv | 10.1016/S0109-5641(00)00034-8 |
format | article |
fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_72552905</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><els_id>S0109564100000348</els_id><sourcerecordid>72552905</sourcerecordid><originalsourceid>FETCH-LOGICAL-c361t-b7b9284f94ade3f15ed79f78a39d2b768fdefbcceb9d9b345ac15357cf48c86c3</originalsourceid><addsrcrecordid>eNqFkMtKAzEUhoMoWi-PoGQluhhNZiaTZCUi3qDoQl25CJnkxEbnUpO00rd32oq4c3Xg8P3n8H8IHVJyRgmtzp8IJTJjVUlPCDklhBRlJjbQiAouM0Ik30SjX2QH7cb4PkBlLuk22hn2FadCjNDrQz-HBk-Db333hnVnsQl9jI3vPpaLuIgJ2ohdH_AsAv7yaYJ97M1Cdzr1LaSJNmHR6ATYQpd0g7WdQPRziPtoy-kmwsHP3EMvN9fPV3fZ-PH2_upynJmioimreS1zUTpZaguFowwsl44LXUib17wSzoKrjYFaWlkXJdOGsoJx40phRGWKPXS8vjsN_ecMYlKtjwaaRnfQz6LiOWO5JGwA2RpcVQzg1LK3DgtFiVpaVSuraqlMEaJWVpUYckc_D2Z1C_ZPaq1xAC7WAAw15x6CisZDZ8D6ACYp2_t_XnwDLiGJ8Q</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>72552905</pqid></control><display><type>article</type><title>Novel priming and crosslinking systems for use with isocyanatomethacrylate dental adhesives</title><source>ScienceDirect Freedom Collection 2022-2024</source><creator>Chappelow, C.C ; Power, M.D ; Bowles, C.Q ; Miller, R.G ; Pinzino, C.S ; Eick, J.D</creator><creatorcontrib>Chappelow, C.C ; Power, M.D ; Bowles, C.Q ; Miller, R.G ; Pinzino, C.S ; Eick, J.D</creatorcontrib><description>Objectives: (a) to design, formulate and evaluate prototype primers and a crosslinking agent for use with isocyanatomethacrylate-based comonomer adhesives and (b) to establish correlations between bond strength and solubility parameter differences between the adhesives and etched dentin, and the permeability coefficients of the adhesives.
Methods: Equimolar mixtures of 2-isocyanatoethyl methacrylate (IEM) and a methacrylate comonomer were formulated with tri-
n-butyl borane oxide (TBBO) as the free radical initiator to have cure times of 6–10
min. Shear bond strengths to dentin were determined for each adhesive mixture (
n=7) using standard testing protocols. Shear bond strengths for the three systems were also determined after application of “reactive primers” to the dentin surface. The “reactive primers” contained 10–20 parts by weight of the respective comonomer mixture and 3.5 parts by weight TBBO in acetone. Solubility parameters difference values (Δ
δ) and permeability coefficients (
P) were approximated for each adhesive system and correlated with shear bond strength values. Additionally, a crosslinking agent was prepared by bulk reaction of an equimolar mixture containing IEM and a methacrylate comonomer. The effects of crosslinker addition on: (a) the setting time of IEM; and (b) the setting times and initiator requirements of selected IEM/comonomer mixtures were determined.
Results: Shear bond strength values (MPa): IEM/HEMA 13.6±2.0 (no primer), 20.1±2.0 (with primer); IEM/HETMA 9.3±3.3 (no primer), 20.8±8.1 (with primer); IEM/AAEMA 13.6±1.9 (no primer), 17.3±3.2 (with primer). Also, approximated permeability coefficients showed a significant correlation (
r=+0.867,
p<0.001) with shear bond strength values. Crosslinker addition studies with IEM/4-META: (a) at 5–9
mol% reduced the setting time of IEM polymerization by 79%; and (b) at 6
mol% reduced initiator level requirements 60–70% to achieve a comparable setting time, and decreased setting times by ca. 75% for a given initiator level with selected IEM/methacrylate adhesive systems.
Significance: The shear bond strengths of isocyanatomethacrylate-based dental adhesives can be enhanced by using reactive primers; their setting times and initiator requirements can be improved using a dimethacrylate crosslinker. Approximated permeability coefficients may be useful as indicators of bonding performance for dentin adhesive systems.</description><identifier>ISSN: 0109-5641</identifier><identifier>EISSN: 1879-0097</identifier><identifier>DOI: 10.1016/S0109-5641(00)00034-8</identifier><identifier>PMID: 10967188</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Adhesives - chemistry ; Analysis of Variance ; Boron Compounds - chemistry ; Cross-Linking Reagents - chemistry ; Dental Bonding ; Dentin Permeability ; Dentin-Bonding Agents - chemistry ; Dentistry ; Humans ; Isocyanates - chemistry ; Isocyanatomethacrylates ; Materials Testing ; Methacrylates - chemistry ; Molecular Structure ; Permeability ; Permeability coefficients ; Polymers - chemistry ; Resin Cements - chemistry ; Solubility ; Solubility parameters ; Statistics, Nonparametric ; Tensile Strength</subject><ispartof>Dental materials, 2000-11, Vol.16 (6), p.396-405</ispartof><rights>2000 Academy of Dental Materials</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c361t-b7b9284f94ade3f15ed79f78a39d2b768fdefbcceb9d9b345ac15357cf48c86c3</citedby><cites>FETCH-LOGICAL-c361t-b7b9284f94ade3f15ed79f78a39d2b768fdefbcceb9d9b345ac15357cf48c86c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10967188$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chappelow, C.C</creatorcontrib><creatorcontrib>Power, M.D</creatorcontrib><creatorcontrib>Bowles, C.Q</creatorcontrib><creatorcontrib>Miller, R.G</creatorcontrib><creatorcontrib>Pinzino, C.S</creatorcontrib><creatorcontrib>Eick, J.D</creatorcontrib><title>Novel priming and crosslinking systems for use with isocyanatomethacrylate dental adhesives</title><title>Dental materials</title><addtitle>Dent Mater</addtitle><description>Objectives: (a) to design, formulate and evaluate prototype primers and a crosslinking agent for use with isocyanatomethacrylate-based comonomer adhesives and (b) to establish correlations between bond strength and solubility parameter differences between the adhesives and etched dentin, and the permeability coefficients of the adhesives.
Methods: Equimolar mixtures of 2-isocyanatoethyl methacrylate (IEM) and a methacrylate comonomer were formulated with tri-
n-butyl borane oxide (TBBO) as the free radical initiator to have cure times of 6–10
min. Shear bond strengths to dentin were determined for each adhesive mixture (
n=7) using standard testing protocols. Shear bond strengths for the three systems were also determined after application of “reactive primers” to the dentin surface. The “reactive primers” contained 10–20 parts by weight of the respective comonomer mixture and 3.5 parts by weight TBBO in acetone. Solubility parameters difference values (Δ
δ) and permeability coefficients (
P) were approximated for each adhesive system and correlated with shear bond strength values. Additionally, a crosslinking agent was prepared by bulk reaction of an equimolar mixture containing IEM and a methacrylate comonomer. The effects of crosslinker addition on: (a) the setting time of IEM; and (b) the setting times and initiator requirements of selected IEM/comonomer mixtures were determined.
Results: Shear bond strength values (MPa): IEM/HEMA 13.6±2.0 (no primer), 20.1±2.0 (with primer); IEM/HETMA 9.3±3.3 (no primer), 20.8±8.1 (with primer); IEM/AAEMA 13.6±1.9 (no primer), 17.3±3.2 (with primer). Also, approximated permeability coefficients showed a significant correlation (
r=+0.867,
p<0.001) with shear bond strength values. Crosslinker addition studies with IEM/4-META: (a) at 5–9
mol% reduced the setting time of IEM polymerization by 79%; and (b) at 6
mol% reduced initiator level requirements 60–70% to achieve a comparable setting time, and decreased setting times by ca. 75% for a given initiator level with selected IEM/methacrylate adhesive systems.
Significance: The shear bond strengths of isocyanatomethacrylate-based dental adhesives can be enhanced by using reactive primers; their setting times and initiator requirements can be improved using a dimethacrylate crosslinker. Approximated permeability coefficients may be useful as indicators of bonding performance for dentin adhesive systems.</description><subject>Adhesives - chemistry</subject><subject>Analysis of Variance</subject><subject>Boron Compounds - chemistry</subject><subject>Cross-Linking Reagents - chemistry</subject><subject>Dental Bonding</subject><subject>Dentin Permeability</subject><subject>Dentin-Bonding Agents - chemistry</subject><subject>Dentistry</subject><subject>Humans</subject><subject>Isocyanates - chemistry</subject><subject>Isocyanatomethacrylates</subject><subject>Materials Testing</subject><subject>Methacrylates - chemistry</subject><subject>Molecular Structure</subject><subject>Permeability</subject><subject>Permeability coefficients</subject><subject>Polymers - chemistry</subject><subject>Resin Cements - chemistry</subject><subject>Solubility</subject><subject>Solubility parameters</subject><subject>Statistics, Nonparametric</subject><subject>Tensile Strength</subject><issn>0109-5641</issn><issn>1879-0097</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNqFkMtKAzEUhoMoWi-PoGQluhhNZiaTZCUi3qDoQl25CJnkxEbnUpO00rd32oq4c3Xg8P3n8H8IHVJyRgmtzp8IJTJjVUlPCDklhBRlJjbQiAouM0Ik30SjX2QH7cb4PkBlLuk22hn2FadCjNDrQz-HBk-Db333hnVnsQl9jI3vPpaLuIgJ2ohdH_AsAv7yaYJ97M1Cdzr1LaSJNmHR6ATYQpd0g7WdQPRziPtoy-kmwsHP3EMvN9fPV3fZ-PH2_upynJmioimreS1zUTpZaguFowwsl44LXUib17wSzoKrjYFaWlkXJdOGsoJx40phRGWKPXS8vjsN_ecMYlKtjwaaRnfQz6LiOWO5JGwA2RpcVQzg1LK3DgtFiVpaVSuraqlMEaJWVpUYckc_D2Z1C_ZPaq1xAC7WAAw15x6CisZDZ8D6ACYp2_t_XnwDLiGJ8Q</recordid><startdate>20001101</startdate><enddate>20001101</enddate><creator>Chappelow, C.C</creator><creator>Power, M.D</creator><creator>Bowles, C.Q</creator><creator>Miller, R.G</creator><creator>Pinzino, C.S</creator><creator>Eick, J.D</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>20001101</creationdate><title>Novel priming and crosslinking systems for use with isocyanatomethacrylate dental adhesives</title><author>Chappelow, C.C ; Power, M.D ; Bowles, C.Q ; Miller, R.G ; Pinzino, C.S ; Eick, J.D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c361t-b7b9284f94ade3f15ed79f78a39d2b768fdefbcceb9d9b345ac15357cf48c86c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Adhesives - chemistry</topic><topic>Analysis of Variance</topic><topic>Boron Compounds - chemistry</topic><topic>Cross-Linking Reagents - chemistry</topic><topic>Dental Bonding</topic><topic>Dentin Permeability</topic><topic>Dentin-Bonding Agents - chemistry</topic><topic>Dentistry</topic><topic>Humans</topic><topic>Isocyanates - chemistry</topic><topic>Isocyanatomethacrylates</topic><topic>Materials Testing</topic><topic>Methacrylates - chemistry</topic><topic>Molecular Structure</topic><topic>Permeability</topic><topic>Permeability coefficients</topic><topic>Polymers - chemistry</topic><topic>Resin Cements - chemistry</topic><topic>Solubility</topic><topic>Solubility parameters</topic><topic>Statistics, Nonparametric</topic><topic>Tensile Strength</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chappelow, C.C</creatorcontrib><creatorcontrib>Power, M.D</creatorcontrib><creatorcontrib>Bowles, C.Q</creatorcontrib><creatorcontrib>Miller, R.G</creatorcontrib><creatorcontrib>Pinzino, C.S</creatorcontrib><creatorcontrib>Eick, J.D</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>Chappelow, C.C</au><au>Power, M.D</au><au>Bowles, C.Q</au><au>Miller, R.G</au><au>Pinzino, C.S</au><au>Eick, J.D</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Novel priming and crosslinking systems for use with isocyanatomethacrylate dental adhesives</atitle><jtitle>Dental materials</jtitle><addtitle>Dent Mater</addtitle><date>2000-11-01</date><risdate>2000</risdate><volume>16</volume><issue>6</issue><spage>396</spage><epage>405</epage><pages>396-405</pages><issn>0109-5641</issn><eissn>1879-0097</eissn><abstract>Objectives: (a) to design, formulate and evaluate prototype primers and a crosslinking agent for use with isocyanatomethacrylate-based comonomer adhesives and (b) to establish correlations between bond strength and solubility parameter differences between the adhesives and etched dentin, and the permeability coefficients of the adhesives.
Methods: Equimolar mixtures of 2-isocyanatoethyl methacrylate (IEM) and a methacrylate comonomer were formulated with tri-
n-butyl borane oxide (TBBO) as the free radical initiator to have cure times of 6–10
min. Shear bond strengths to dentin were determined for each adhesive mixture (
n=7) using standard testing protocols. Shear bond strengths for the three systems were also determined after application of “reactive primers” to the dentin surface. The “reactive primers” contained 10–20 parts by weight of the respective comonomer mixture and 3.5 parts by weight TBBO in acetone. Solubility parameters difference values (Δ
δ) and permeability coefficients (
P) were approximated for each adhesive system and correlated with shear bond strength values. Additionally, a crosslinking agent was prepared by bulk reaction of an equimolar mixture containing IEM and a methacrylate comonomer. The effects of crosslinker addition on: (a) the setting time of IEM; and (b) the setting times and initiator requirements of selected IEM/comonomer mixtures were determined.
Results: Shear bond strength values (MPa): IEM/HEMA 13.6±2.0 (no primer), 20.1±2.0 (with primer); IEM/HETMA 9.3±3.3 (no primer), 20.8±8.1 (with primer); IEM/AAEMA 13.6±1.9 (no primer), 17.3±3.2 (with primer). Also, approximated permeability coefficients showed a significant correlation (
r=+0.867,
p<0.001) with shear bond strength values. Crosslinker addition studies with IEM/4-META: (a) at 5–9
mol% reduced the setting time of IEM polymerization by 79%; and (b) at 6
mol% reduced initiator level requirements 60–70% to achieve a comparable setting time, and decreased setting times by ca. 75% for a given initiator level with selected IEM/methacrylate adhesive systems.
Significance: The shear bond strengths of isocyanatomethacrylate-based dental adhesives can be enhanced by using reactive primers; their setting times and initiator requirements can be improved using a dimethacrylate crosslinker. Approximated permeability coefficients may be useful as indicators of bonding performance for dentin adhesive systems.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>10967188</pmid><doi>10.1016/S0109-5641(00)00034-8</doi><tpages>10</tpages></addata></record> |
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subjects | Adhesives - chemistry Analysis of Variance Boron Compounds - chemistry Cross-Linking Reagents - chemistry Dental Bonding Dentin Permeability Dentin-Bonding Agents - chemistry Dentistry Humans Isocyanates - chemistry Isocyanatomethacrylates Materials Testing Methacrylates - chemistry Molecular Structure Permeability Permeability coefficients Polymers - chemistry Resin Cements - chemistry Solubility Solubility parameters Statistics, Nonparametric Tensile Strength |
title | Novel priming and crosslinking systems for use with isocyanatomethacrylate dental adhesives |
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