Author/Authors :
Kim, Hyun-Jung Department of Conservative Dentistry - Kyung Hee University Dental Hospital - Seoul, Republic of Korea , Jang, Ji-Hyun Department of Conservative Dentistry - Kyung Hee University Dental Hospital - Seoul, Republic of Korea , Lee, Donghyun Department of Nuclear and Quantum Engineering - KAIST - Daejeon, Republic of Korea , Cho, Seungryong Department of Nuclear and Quantum Engineering - KAIST - Daejeon, Republic of Korea , Kim, Sahng Gyoon Division of Endodontics - Columbia University College of Dental Medicine - New York - NY, USA , Kim, Sun-Young Department of Conservative Dentistry and Dental Research Institute - School of Dentistry - Seoul National University - Seoul, Republic of Korea
Abstract :
lastin-likepolypeptide(ELP) supplementationwaspreviouslyreportedtoenhancethephysicalpropertiesofmineraltrioxideaggregate (MTA). TheaimofthisstudywastoinvestigatetheeffectofELPsupplementationonthebondingpropertiesof MTAtodentin.Methods.TwotypesofELPsweresynthesizedandmixedwithMTAina0.3liquid/powderratio. Thepush-outbondstrengthtestandinterfacialobservationwithscanningelectronmicroscopywereperformedforELP-supplementedMTA. TheporosityofMTAfillingsinthecavitywasobservedwithmicrocomputedtomography.Thestickiness,flowrate,andcontactanglewereadditionallymeasuredforpotentialincreasedbondingproperties.Results.ELPsupplementationimprovedthebondstrengthofMTAtodentin. MTAsupplementedbyaspecificELPexhibitedalessporousstructure,higherstickiness,andhigherflowrate.ELPsalsodecreasedthecontactangletodentin. Conclusions.ThisresearchdataverifiesthatELPimprovesthebondingpropertiesofMTAtoatoothstructure. ThestickyandhighlyflowablecharacteristicsofELP-supplementedMTAmayprovideintimatecontactwithdentinandsupplyalessporouscementstructure,whichmightimprovethebondingpropertiesof MTA
Keywords :
Improvement , Bonding Properties , Mineral Trioxide Aggregate , Elastin-Like Polypeptide Supplementation , MTA , Elastin-likepolypeptide(ELP)
