Patent ID: 8419425
Filing Date: 2013-04-16
Classification: A61C

Abstract:
1. A dental model articulator configured to combine a maxillary dental model cast and a mandibular dental model cast, the dental model articulator comprising: a frame including: an arm member rotatably and reciprocatively supported to the frame, the arm member having a central part having a first outer diameter, first and second side parts extending lengthwise from the central part in opposite sides and each having a second outer diameter smaller than the first outer diameter, and third and fourth side parts extending lengthwise from the first and second side parts and each having an outer diameter smaller than the second outer diameter, lengths ranging from the central part to the first and second side parts corresponding to a distance between the binding guide ledges of the third support part, the open posterior part allowing the arm member to be inserted into the accommodation groove and the stepped portion preventing the arm member from being separated in the left and right directions, while guiding rearward retreat of the arm member; an elastic bias unit frontward elastically pressing the arm member with respect to the frame; a first connecting unit formed in the arm member to be connected with the maxillary dental model cast; and a second connecting unit connected to the frame to move reciprocatively through at least one penetration hole and combined with the mandibular dental model cast.