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1、ClinOralInvest(2010)14:403–409DOI10.1007/s00784-009-0309-xORIGINALARTICLEOralbiofilmmodelsformechanicalplaqueremovalMartinusJ.Verkaik&HenkJ.Busscher&MinieRustema-Abbing&AnjeM.Slomp&FrankAbbas&HennyC.vanderMeiReceived:27February2009/Accepted:15June2009/Publishedonline:30June2009#TheAuth
2、or(s)2009.ThisarticleispublishedwithopenaccessatSpringerlink.comAbstractInvitroplaqueremovalstudiesrequirebiofilmandS.oralisaresuggestedtobepreferredforuseinmodelsthatresembleinvivodentalplaque.Here,wemechanicalplaqueremovalstudiesinvitro.comparecontactandnon-contactremovalofsingleandd
3、ual-speciesbiofilmsaswellasofbiofilmsgrownfromKeywordsSaliva.Non-contactremoval.Dentalplaque.humanwholesalivainvitrousingdifferentbiofilmmodels.Toothbrushing.SonicbrushBacteriawereadheredtoasalivarypelliclefor2horgrownafteradhesionfor16h,afterwhich,theirremovalwasevaluated.Inacontactmo
4、de,nodifferenceswereobservedIntroductionbetweenthemanual,rotating,orsonicbrushing;andremovalwasonaverage39%,84%,and95%forInordertoimprovetheefficacyoforalhygiene,poweredStreptococcusmutans,Streptococcusoralis,andActinomy-toothbrusheshavebeendeveloped[31].Thebenefitsofcesnaeslundii,resp
5、ectively,and90%and54%forthedual-varioustypesofpoweredtoothbrushesovermanualbrush-andmulti-speciesbiofilms,respectively.However,inaingarenotalwaysevident,butitisclearthatpoweredtoothnon-contactmode,rotatingandsonicbrushesstillremovedbrushingisatleastaseffectiveasmanualbrushing.considera
6、blenumbersofbacteria(24–40%),whiletheMoreover,poweredtoothbrusheswitharotating-manualbrushasacontrol(5–11%)didnot.SingleA.oscillatingorsonicactionremoveplaqueandreducenaeslundiianddual-species(A.naeslundiiandS.oralis)gingivitissignificantlymorethanmanualbrushes[3,12,biofilmsweremoredif
7、ficulttoremoveafter16hgrowth21,29,37].Otherformsofpoweredbrushes(sidetoside,thanafter2hadhesion(onaverage,62%and93%for16-counteroscillation,circular,andultrasonic)producealessand2-h-oldbiofilms,respectively),whileincontrast,consistentreductionofplaqueandgingivitis[28].biofilmsgrownfr
