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38Chapter2SUTURELENGTHSANDLATERALORBITALDISTANCEThe3Dsuturelengthmeasures forCT-HTovertimearegivenin Table5andFigure7 The strongestincreases for all sutures andLOD occurred within the first 9monthsofageAt12monthsthelengthofallofthesuturesandtheLODwereequalorevensmallerthanthoseat9monthsAfterafinalincreaseinlengthat15monthsnomoregrowthwaspresentinthedatasetforallsuturesandtheLODandthelengthsremainedthesameGROWTHMAPSThegrowthmapsshowedtheevolutionofthecranialshapeMostgrowth(inmillimetres)wasseenbetween3and6monthsofageinthefrontalandparietalregionsforboth3DphotographsandCT-HT.Between6and12monthsofagegrowthwasmoreprominentintheanteriorpartoftheskullresultinginanelongationoftheheadTheposteriorpartoftheskulldevelopedmorerapidlybetween12and18monthsAfter12monthstheoverallgrowthreducedcomparedtothefirst12monthsThereforealongertimeintervalof12to24monthswasusedtocreateagrowthmapwhichrevealedthatmostgrowthwaspresent
C2F4inthefrontalandoccipitalregions(Figures8and9)Twosupplementaryvideo
C2F4files
4demonstratetheevolutionofthecraniumin3Dforthe3D photographsandCT-HT(availableonline)103691071329711498812185262127191118735037039041043045047049051053005101520253035404550Age(months)HardTissueSoftTissue3DPhotosCircumference(mm)p
idf
C2F4Figure4CircumferenceforallmodalitiesColourednumbersindicatethenumberofsubjects
