Model teeth 20 for a dental model includes a model teeth baseprovided with a plurality of insertion holes 13 having aninner surface provided with an insertion hole-side stepportion 13b such that a deep side of the holes 13 is narrowerthan+ an opening side, and a plurality of the teeth 20 havinga tooth crown portion 21 exposed from the holes 13 and a toothroot portion 22 inserted inside the holes 13, when the modelteeth are detachably inserted into the holes 13, respectively.The teeth 20,includes a model teeth-side step portion 26provided on an outer surface of the portion 22 and causes theteeth 20 to move in a direction distance between adjacentteeth 20 is shortened, as the teeth 20 abuts the portion 13bwhen inserted into the holes 13 and the teeth 20 is inserteddeep into the holes 13.