▁With ▁the ▁el ong ated ▁pre orb ital ▁( in ▁front ▁of ▁the ▁eyes ) ▁region ▁of ▁the ▁sk ull , ▁longer ▁port ions ▁of ▁st ems ▁could ▁be ▁stri pped ▁in ▁a ▁single ▁action . ▁Also , ▁the ▁pal inal ▁( back wards ) ▁motion ▁of ▁the ▁lower ▁j aws ▁could ▁have ▁contributed ▁two ▁significant ▁roles ▁to ▁feed ing ▁behaviour : ▁ 1 ) ▁an ▁increased ▁g ape , ▁and ▁ 2 ) ▁allowed ▁fine ▁adjust ments ▁of ▁the ▁relative ▁positions ▁of ▁the ▁to oth ▁rows , ▁creating ▁a ▁smooth ▁stri pping ▁action . ▁ ▁Young ▁et ▁al . ▁( 2 0 1 2 ) ▁used ▁bi ome chan ical ▁mod elling ▁to ▁examine ▁the ▁performance ▁of ▁the ▁di pl od oc ine ▁sk ull . ▁It ▁was ▁concluded ▁that ▁the ▁proposal ▁that ▁its ▁dent ition ▁was ▁used ▁for ▁b ark - st ri pping ▁was ▁not ▁supported ▁by ▁the ▁data , ▁which ▁showed ▁that ▁under ▁that ▁scenario , ▁the ▁sk ull ▁and ▁teeth ▁would ▁under go ▁extreme ▁str esses . ▁The ▁hypoth eses ▁of ▁branch - st ri pping ▁and / or ▁precision ▁bit ing ▁were ▁both ▁shown ▁to ▁be ▁bi ome chan ically ▁pla us ible ▁feed ing ▁behav iors . ▁Di pl od oc ine ▁teeth ▁were ▁also ▁contin ually ▁replaced ▁throughout ▁their ▁lives , ▁usually ▁in ▁less ▁than ▁ 3 5 ▁days , ▁as ▁was ▁discovered ▁by ▁Michael ▁D ' Em ic ▁et ▁al . ▁Within ▁each ▁to oth ▁socket , ▁as ▁many ▁as ▁five ▁replacement ▁teeth ▁were