Plaster teeth model gripper and articulator having the same

3-5. (canceled)

An articulator having a lower plate adapted to mount a lower side teeth model, an arm having one end rotatably disposed at a column erected from one side of the lower plate, and an upper plate adapted to mount an upper side teeth model in such a manner as to be supported on the other end of the arm, wherein a plaster teeth model gripper is mounted on the upper plate and the lower plate, respectively, the plaster teeth model gripper having a base pate disposed in a flat form so as to be adapted to a underside of a gum of a teeth model;

• and a teeth model gum-supporting frame formed erectly on one surface of the base plate and around the base plate so as to be adapted to follow the outer periphery of the gum of the teeth model in such a manner as to form a teeth model gum chamber open in a vertical direction from the base plate at an inside thereof, wherein the base protrusion has a shape of alternatingly bent plate.