Abstract: Model teeth 20 for a dental model includes a model teeth base 10 provided with a plurality of insertion holes 13 having an inner surface provided with an insertion hole-side step portion 13b such that a deep side of the holes 13 is narrower than an opening side, and a plurality of the teeth 20 having a tooth crown portion 21 exposed from the holes 13 and a tooth root portion 22 inserted inside the holes 13, when the model teeth are detachably inserted into the holes 13, respectively. The teeth 20 include a model teeth-side step portion 26 provided on an outer surface of the portion 22 and cause the teeth 20 to move in a direction such that a distance between adjacent teeth 20 is shortened, as the teeth 20 abut the portion 13b when inserted into the holes 13 and the teeth 20 are inserted deep into the holes 13.

Abstract: Provided is a dental model in which a model tooth having a root portion similar to an actual tooth is attachable to and detachable from a gum portion, and an articulator. A dental model 1 according to the present disclosure includes: a gum portion 12 in which an insertion hole 20 to which a model tooth 50 is to be inserted is provided; and a lid portion 18 provided on an oral side of the insertion hole 20 in the gum portion 12, in which the lid portion 18 constitutes a part of the gum portion 12 in a closed state, and provides a recess portion 18b that is continuous from the insertion hole 20 and exposes at least a part of a root portion of the model tooth in an opened state, and in which the lid portion 18 is configured to be opened and closed relative to another portion of the gum portion 12.

Abstract: Model teeth 20 for a dental model includes a model teeth base 10 provided with a plurality of insertion holes 13 having an inner surface provided with an insertion hole-side step portion 13b such that a deep side of the holes 13 is narrower than an opening side, and a plurality of the teeth 20 having a tooth crown portion 21 exposed from the holes 13 and a tooth root portion 22 inserted inside the holes 13, when the model teeth are detachably inserted into the holes 13, respectively. The teeth 20 includes a model teeth-side step portion 26 provided on an outer surface of the portion 22 and causes the teeth 20 to move in a direction distance between adjacent teeth 20 is shortened, as the teeth 20 abuts the portion 13b when inserted into the holes 13 and the teeth 20 is inserted deep into the holes 13.