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76Chapter4result Thesedifferentstrategiesandtheireffectscanbesimulatedusinga VSP.Inadditionthe3DvisualizationallowstheusertoinspectthecranialshapeandtheVSPfrommultiplevantagepointswhicharenotpossibleintraoperatively5AlsovaryingthepointofdeflectionoftheorbitalbarcanhaveatremendouseffectonthefinalreconstructionVaryingthedistanceoftheosteotomyfromthemidlinecanimprovesymmetryasisvisualizedinFigure2TheVSPisusedtofindthisoptimaldeflectionpointbysimulatingitseffectFigure1 VariationsincranialmorphologyoftrigonocephalypatientsrequireadifferentsurgicalstrategyInpatientAthefrontalpartsaresymmetricallyrotatedInpatientBasymmetricalrotationsandosteotomieswereappliedInpatientCthemetopicridgewasremovedfirstfollowedbyansymmetricalrotationofthefrontalpartsFigure2PlanningofaplagiocephalypatientwherethefusedrightcoronalsutureresultedinaretractedorbitandaflattenedforeheadMultiplesurgicalapproacheswere
