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132Chapter7byvisualisingthecorrectpositionandorientationofthebonesegmentsdirectlyin3DandinthesurgicalfieldUsingtheHoloLensforsurgicalguidancehasalreadybeendescribedforvariousotherclinicalapplications1728–30AlthoughtheyaffirmthehugepotentialofARthesestudiesalsorecommend thatmoreresearchisrequired With thispilotstudyweaimedtocomplytothisdemandbyinvestigatingtheaccuracyandotheraspectsasafirststeptowardtheactualimplementationofARforOCVRCONCLUSIONUsingsurgicalguidesisthefastestandmostaccuratemethodtotransferavirtualsurgicalplanforopencranialvaultreconstructionTheARapproachthatwasdevelopedresultedinalmostacceptableaccuracyresults;however,specialattentionandcautionarerequiredtopreventoutliersNeverthelessthelowcostandsimplicityoftheARworkflowmakesitapromisingalternativetosurgicalguides
