{"title":"[A comparative analysis of the characteristics of META-DENT denture resin system].","authors":"J Matyas, A Caputo, G C Eliades","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>A newly developed denture resin based on a 4-META containing monomer became recently commercially available. It has been claimed that this resin system has the unique ability of creating bond to Cr-Co alloys without any mechanical retention. The objective of this study was to determine the chemical composition of the new resin, to study the bonding mechanism with a Cr-Co alloy and to compare its physical and mechanical properties to a commonly used acrylic denture resin. The analysis revealed that the new system contains 5% by weight 4-META in MMA liquid and 28% poly (ethyl methacrylate) in PMMA. No practical differences were noted in the stress-strain characteristics and hardness values between the resin systems. The META-DENT resin was more abrasion resistant. The bond of META-DENT to the Cr-Co alloy was greatly superior than that of the conventional resin. The bonding mechanism may be related to enhanced physical wetting due to reduced META-DENT viscosity and probably complexation of the anhydride groups with either Cr or Co.</p>","PeriodicalId":76279,"journal":{"name":"Odontostomatologike proodos","volume":"43 3","pages":"231-9"},"PeriodicalIF":0.0000,"publicationDate":"1989-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Odontostomatologike proodos","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
A newly developed denture resin based on a 4-META containing monomer became recently commercially available. It has been claimed that this resin system has the unique ability of creating bond to Cr-Co alloys without any mechanical retention. The objective of this study was to determine the chemical composition of the new resin, to study the bonding mechanism with a Cr-Co alloy and to compare its physical and mechanical properties to a commonly used acrylic denture resin. The analysis revealed that the new system contains 5% by weight 4-META in MMA liquid and 28% poly (ethyl methacrylate) in PMMA. No practical differences were noted in the stress-strain characteristics and hardness values between the resin systems. The META-DENT resin was more abrasion resistant. The bond of META-DENT to the Cr-Co alloy was greatly superior than that of the conventional resin. The bonding mechanism may be related to enhanced physical wetting due to reduced META-DENT viscosity and probably complexation of the anhydride groups with either Cr or Co.
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