Modification of the restoration protocol for resin-based composite (RBC) restoratives (conventional and bulk fill) on cuspal movement and microleakage score in molar teeth
To modify the resin-based composite (RBC) restoration protocol for standardised Class II cavities in third molar teeth restored using conventional RBCs or their bulk fill restorative counterparts. Employing cuspal deflection using a twin channel deflection measuring gauge (during) and microleakage t...
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| Veröffentlicht in: | Dental materials 2018-09, Vol.34 (9), p.1271-1277 |
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| creator | Politi, I. McHugh, L.E.J. Al-Fodeh, R.S. Fleming, G.J.P. |
| description | To modify the resin-based composite (RBC) restoration protocol for standardised Class II cavities in third molar teeth restored using conventional RBCs or their bulk fill restorative counterparts. Employing cuspal deflection using a twin channel deflection measuring gauge (during) and microleakage to determine marginal integrity (following) RBC restoration, the modified restoration protocol results were compared with traditional (oblique) restoration of Class II cavities.
Thirty-two sound third molar teeth, standardised by size and morphology, were subjected to standardised Class II cavity preparations and randomly allocated to four groups. Restorations were placed in conjunction with a universal bonding system and resin restorative materials were irradiated with a light-emitting-diode light-curing-unit. The cumulative buccal and palatal cuspal movements from a twin channel deflection measuring gauge were summed, the restored teeth fatigued thermally prior to immersion in 0.2% basic fuchsin dye for 24h, before sectioning and examination for microleakage.
Teeth restored using conventional RBC materials had significantly higher mean total cuspal movement values compared with bulk fill resin restorative restoration (all p |
| doi_str_mv | 10.1016/j.dental.2018.05.010 |
| format | Article |
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Thirty-two sound third molar teeth, standardised by size and morphology, were subjected to standardised Class II cavity preparations and randomly allocated to four groups. Restorations were placed in conjunction with a universal bonding system and resin restorative materials were irradiated with a light-emitting-diode light-curing-unit. The cumulative buccal and palatal cuspal movements from a twin channel deflection measuring gauge were summed, the restored teeth fatigued thermally prior to immersion in 0.2% basic fuchsin dye for 24h, before sectioning and examination for microleakage.
Teeth restored using conventional RBC materials had significantly higher mean total cuspal movement values compared with bulk fill resin restorative restoration (all p<0.0001). Teeth restored with Admira Fusion and Admira Fusion x-tra had significantly the lowest microleakage scores (all p<0.001) compared with Tetric EvoCeram and Tetric EvoCeram Bulk Fill restored teeth. The microleakage scores for the range of RBC materials tested were significantly reduced (all p<0.001) when the modified RBC restoration protocol was employed compared with the traditional Class II restoration technique.
Modification of the RBC restoration protocol of some conventional RBCs and bulk fill resin restoratives significantly improve bond integrity and could be translated as a validation of the limited clinical studies available on bulk fill materials in the dental literature where Class II cavities perform less well than Class I cavities following extended follow-up.
The results of the current study add further weight to experimental protocols employing cuspal movement (during) and cervical microleakage (following) RBC restoration of standardised cavities in natural dentition to provide an indication of polymerization shrinkage stress at the tooth/RBC restoration interface in a ‘clinically meaningful context’.</description><identifier>ISSN: 0109-5641</identifier><identifier>EISSN: 1879-0097</identifier><identifier>DOI: 10.1016/j.dental.2018.05.010</identifier><identifier>PMID: 29857989</identifier><language>eng</language><publisher>England: Elsevier Inc</publisher><subject>Bulk fill and conventional restorative material ; Composite materials ; Composite Resins - chemistry ; Cuspal movement ; Deflection ; Dental care ; Dental caries ; Dental Cavity Preparation ; Dental Leakage ; Dental Marginal Adaptation ; Dental materials ; Dental Materials - chemistry ; Dental Restoration, Permanent - methods ; Dental restorative materials ; Dentistry ; Dentition ; Humans ; In Vitro Techniques ; Integrity ; Light emitting diodes ; Light-Curing of Dental Adhesives ; Materials Testing ; Methacrylates ; Microleakage score ; Molar, Third ; Morphology ; Polymerization ; Resin-based composite ; Resins ; Restoration ; Sectioning ; Shrinkage ; Siloxanes ; Submerging ; Teeth ; Tooth Migration ; Weight</subject><ispartof>Dental materials, 2018-09, Vol.34 (9), p.1271-1277</ispartof><rights>2018 The Academy of Dental Materials</rights><rights>Copyright © 2018 The Academy of Dental Materials. Published by Elsevier Inc. All rights reserved.</rights><rights>Copyright Elsevier BV Sep 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c456t-79f581aeaa5f8df6994c76a0f1816d61845a0fc83e0882d8c165e11e8c7b926b3</citedby><cites>FETCH-LOGICAL-c456t-79f581aeaa5f8df6994c76a0f1816d61845a0fc83e0882d8c165e11e8c7b926b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0109564118301490$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29857989$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Politi, I.</creatorcontrib><creatorcontrib>McHugh, L.E.J.</creatorcontrib><creatorcontrib>Al-Fodeh, R.S.</creatorcontrib><creatorcontrib>Fleming, G.J.P.</creatorcontrib><title>Modification of the restoration protocol for resin-based composite (RBC) restoratives (conventional and bulk fill) on cuspal movement and microleakage score in molar teeth</title><title>Dental materials</title><addtitle>Dent Mater</addtitle><description>To modify the resin-based composite (RBC) restoration protocol for standardised Class II cavities in third molar teeth restored using conventional RBCs or their bulk fill restorative counterparts. Employing cuspal deflection using a twin channel deflection measuring gauge (during) and microleakage to determine marginal integrity (following) RBC restoration, the modified restoration protocol results were compared with traditional (oblique) restoration of Class II cavities.
Thirty-two sound third molar teeth, standardised by size and morphology, were subjected to standardised Class II cavity preparations and randomly allocated to four groups. Restorations were placed in conjunction with a universal bonding system and resin restorative materials were irradiated with a light-emitting-diode light-curing-unit. The cumulative buccal and palatal cuspal movements from a twin channel deflection measuring gauge were summed, the restored teeth fatigued thermally prior to immersion in 0.2% basic fuchsin dye for 24h, before sectioning and examination for microleakage.
Teeth restored using conventional RBC materials had significantly higher mean total cuspal movement values compared with bulk fill resin restorative restoration (all p<0.0001). Teeth restored with Admira Fusion and Admira Fusion x-tra had significantly the lowest microleakage scores (all p<0.001) compared with Tetric EvoCeram and Tetric EvoCeram Bulk Fill restored teeth. The microleakage scores for the range of RBC materials tested were significantly reduced (all p<0.001) when the modified RBC restoration protocol was employed compared with the traditional Class II restoration technique.
Modification of the RBC restoration protocol of some conventional RBCs and bulk fill resin restoratives significantly improve bond integrity and could be translated as a validation of the limited clinical studies available on bulk fill materials in the dental literature where Class II cavities perform less well than Class I cavities following extended follow-up.
The results of the current study add further weight to experimental protocols employing cuspal movement (during) and cervical microleakage (following) RBC restoration of standardised cavities in natural dentition to provide an indication of polymerization shrinkage stress at the tooth/RBC restoration interface in a ‘clinically meaningful context’.</description><subject>Bulk fill and conventional restorative material</subject><subject>Composite materials</subject><subject>Composite Resins - chemistry</subject><subject>Cuspal movement</subject><subject>Deflection</subject><subject>Dental care</subject><subject>Dental caries</subject><subject>Dental Cavity Preparation</subject><subject>Dental Leakage</subject><subject>Dental Marginal Adaptation</subject><subject>Dental materials</subject><subject>Dental Materials - chemistry</subject><subject>Dental Restoration, Permanent - methods</subject><subject>Dental restorative materials</subject><subject>Dentistry</subject><subject>Dentition</subject><subject>Humans</subject><subject>In Vitro Techniques</subject><subject>Integrity</subject><subject>Light emitting diodes</subject><subject>Light-Curing of Dental Adhesives</subject><subject>Materials Testing</subject><subject>Methacrylates</subject><subject>Microleakage score</subject><subject>Molar, Third</subject><subject>Morphology</subject><subject>Polymerization</subject><subject>Resin-based composite</subject><subject>Resins</subject><subject>Restoration</subject><subject>Sectioning</subject><subject>Shrinkage</subject><subject>Siloxanes</subject><subject>Submerging</subject><subject>Teeth</subject><subject>Tooth Migration</subject><subject>Weight</subject><issn>0109-5641</issn><issn>1879-0097</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kc2OFCEUhYnROO3oGxhD4qZnUSXUFBRsTMaOf8kYE6NrQsHFoYcqWqA68Zl8SWlr1MSFK8K93z1w7kHoKSUtJZS_2LcW5qJD2xEqWsJaQsk9tKFikA0hcriPNrUiG8Z7eoYe5bwnhPSdpA_RWScFG6SQG_TjQ7TeeaOLjzOODpcbwAlyiWktHVIs0cSAXUynhp-bUWew2MTpELMvgLefXu0u_g4dIeOtifOxfq8q6ID1bPG4hFvsfAgXuKqaJR9qY4pHmCr2i5i8STGAvtVfAWcTE2A_VyTohAtAuXmMHjgdMjy5O8_RlzevP-_eNdcf377fXV03pme8NIN0TFANWjMnrONS9mbgmjgqKLecip7VixGXQITorDCUM6AUhBlG2fHx8hxtV93q_dtSbanJZwMh6BniklVHesl43Xpf0ef_oPu4pOq5UpTSgdFODpXqV6oazDmBU4fkJ52-K0rUKUy1V2uY6hSmIkzV6OrYszvxZZzA_hn6nV4FXq4A1G0cPSSVjYfZgPUJTFE2-v-_8BNXa7TI</recordid><startdate>201809</startdate><enddate>201809</enddate><creator>Politi, I.</creator><creator>McHugh, L.E.J.</creator><creator>Al-Fodeh, R.S.</creator><creator>Fleming, G.J.P.</creator><general>Elsevier Inc</general><general>Elsevier BV</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>7QF</scope><scope>7QO</scope><scope>7QP</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>K9.</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>201809</creationdate><title>Modification of the restoration protocol for resin-based composite (RBC) restoratives (conventional and bulk fill) on cuspal movement and microleakage score in molar teeth</title><author>Politi, I. ; 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Employing cuspal deflection using a twin channel deflection measuring gauge (during) and microleakage to determine marginal integrity (following) RBC restoration, the modified restoration protocol results were compared with traditional (oblique) restoration of Class II cavities.
Thirty-two sound third molar teeth, standardised by size and morphology, were subjected to standardised Class II cavity preparations and randomly allocated to four groups. Restorations were placed in conjunction with a universal bonding system and resin restorative materials were irradiated with a light-emitting-diode light-curing-unit. The cumulative buccal and palatal cuspal movements from a twin channel deflection measuring gauge were summed, the restored teeth fatigued thermally prior to immersion in 0.2% basic fuchsin dye for 24h, before sectioning and examination for microleakage.
Teeth restored using conventional RBC materials had significantly higher mean total cuspal movement values compared with bulk fill resin restorative restoration (all p<0.0001). Teeth restored with Admira Fusion and Admira Fusion x-tra had significantly the lowest microleakage scores (all p<0.001) compared with Tetric EvoCeram and Tetric EvoCeram Bulk Fill restored teeth. The microleakage scores for the range of RBC materials tested were significantly reduced (all p<0.001) when the modified RBC restoration protocol was employed compared with the traditional Class II restoration technique.
Modification of the RBC restoration protocol of some conventional RBCs and bulk fill resin restoratives significantly improve bond integrity and could be translated as a validation of the limited clinical studies available on bulk fill materials in the dental literature where Class II cavities perform less well than Class I cavities following extended follow-up.
The results of the current study add further weight to experimental protocols employing cuspal movement (during) and cervical microleakage (following) RBC restoration of standardised cavities in natural dentition to provide an indication of polymerization shrinkage stress at the tooth/RBC restoration interface in a ‘clinically meaningful context’.</abstract><cop>England</cop><pub>Elsevier Inc</pub><pmid>29857989</pmid><doi>10.1016/j.dental.2018.05.010</doi><tpages>7</tpages></addata></record> |
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| subjects | Bulk fill and conventional restorative material Composite materials Composite Resins - chemistry Cuspal movement Deflection Dental care Dental caries Dental Cavity Preparation Dental Leakage Dental Marginal Adaptation Dental materials Dental Materials - chemistry Dental Restoration, Permanent - methods Dental restorative materials Dentistry Dentition Humans In Vitro Techniques Integrity Light emitting diodes Light-Curing of Dental Adhesives Materials Testing Methacrylates Microleakage score Molar, Third Morphology Polymerization Resin-based composite Resins Restoration Sectioning Shrinkage Siloxanes Submerging Teeth Tooth Migration Weight |
| title | Modification of the restoration protocol for resin-based composite (RBC) restoratives (conventional and bulk fill) on cuspal movement and microleakage score in molar teeth |
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