Option AA. The first upper premolar is fully outside of the toothrow and the palatal bridge is greater than 30 % of toothrow.B. The rostrum is very broad and stocky.C. If the third lower premolar is present, it is not in the toothrow.Select

Option BA. The first upper premolar is within the toothrow.B. The rostrum is not very broad and stocky. C. The third lower premolar is present and in the toothrow separating the teeth on either side of it.Select