Robert Antonio RamírezGuzmán LemusAlmansa RuizV. J. Setién2026-03-222026-03-222007http://www.saber.ula.ve/bitstream/123456789/24844/1/articulo3.pdfhttps://andeanlibrary.org/handle/123456789/61286Thisresearchwasmeanttocomparetheeffectofatraditionalhomebleachingsystem(Vitastyle10%Ivoclar-Vivadent)withado-it-yourselfdentalbleachingsystem(SimplyWhite®-Colgate)inaVenezuelan femalesamplingpopulation.Methods:Twelve,18-25yearsoldfemaledentistrystudentswereinvolved.The initialvitashadewasrecordedforeachupperfronttooth;bothbleachingagentswereusedineachupperhe mi-arch(randomlyassigned)for15daysfollowingthemanufacture’sinstructions.Threedaysafterthebleach ingperiodsended,theshadeofeachuppertoothwasrecorded.OnewayANOVAwasusedtodetectstatis tical differences. Results: There were no statistically significant differences (p=1) between the two dental bleachingsystems;however,ameanincreaseofthevalueinthreeshadesofthevitaguidewerefoundfor both bleaching methods. Conclusion: Under the conditions of this study, both dental bleaching systemsesDentistryMedicineDental archOrthodonticsarticle