▁has ▁five ▁teeth ▁in ▁the ▁pre max illa , ▁seven ▁in ▁the ▁max illa ▁and ▁ten ▁in ▁the ▁dent ary ▁of ▁the ▁lower ▁j aw ▁for ▁a ▁total ▁of ▁twenty - two ▁per ▁side ▁and ▁a ▁grand ▁total ▁for ▁the ▁head ▁of ▁forty - four . ▁The ▁number ▁of ▁five ▁pre max ill ary ▁teeth ▁is ▁surprising , ▁as ▁a ▁total ▁of ▁four ▁is ▁normal ▁for ▁com ps ogn ath ids : ▁otherwise , ▁only ▁some ▁Car n osa uria ▁have ▁five . ▁Due ▁to ▁the ▁young ▁age ▁of ▁the ▁spec imen , ▁the ▁to oth ▁replacement ▁cycle ▁had ▁not ▁started ▁yet , ▁causing ▁a ▁perfect ▁dent al ▁symmetry ▁between ▁the ▁left ▁and ▁the ▁right ▁j aws . ▁The ▁teeth ▁lack ▁the ▁typical ▁com ps ogn ath id ▁shape ▁with ▁a ▁suddenly ▁rec ur ving ▁a pe x ▁of ▁the ▁to oth ▁crown . ▁Instead , ▁in ▁general ▁they ▁curve ▁gradually ; ▁only ▁the ▁largest ▁teeth ▁show ▁something ▁of ▁a ▁" k ink ". ▁Exception ally , ▁the ▁to oth ▁row ▁of ▁the ▁lower ▁j aw ▁extends ▁further ▁to ▁the ▁back ▁than ▁that ▁of ▁the ▁upper ▁j aw . ▁The ▁pre max ill ary ▁teeth ▁are ▁pointed ▁and ▁lack ▁dent icles . ▁The ▁first ▁four ▁have ▁an ▁o val ▁cross - section ; ▁the ▁fifth ▁is ▁more ▁fl atten ed ▁near ▁its ▁a pe x . ▁The ▁second ▁and ▁fifth ▁teeth ▁are ▁the ▁largest . ▁The ▁max ill ary ▁teeth ▁are ▁fl atten ed ▁with ▁dent icles ▁on ▁their ▁trailing ▁edges . ▁The