PROBLEM TO BE SOLVED: To provide an articulator that can more simply configure a coupling mechanism of a joint portion between a lower jaw support portion and an upper jaw support portion.SOLUTION: The articulator 1 includes: a first support portion 10 to which a first dental model 40 is fixed and that supports the first dental model 40 a second support portion 20 to which a second dental model 50 is fixed and that supports the second dental model 50 and a joint portion 30 that couples the first support unit 10 and a rear side of the second support unit 20, wherein the joint portion 30 includes: a pair of projecting portions 31 that is provided at the rear side of the first support portion 10 and projects in left and right directions, respectively and an engaging support portion 32 that is provided at the rear side of the second support portion 20 to engage with the pair of projecting portions 31 so as to rotatably support the second support unit 20 about the pair of projecting portions 31, and wherein the projecting portion 31 and the engaging support portion 32 are attractable to each other by way of magnetic force.COPYRIGHT: (C)2012,JPO&INPIT【課題】関節部における下顎支持部と上顎支持部との連結機構をより簡易に構成できる咬合器を提供すること。【解決手段】第1歯科用模型40が固定されて第1歯科用模型40を支持する第1支持部10と、第2歯科用模型50が固定されて第2歯科用模型50を支持する第2支持部20と、第1支持部10と第2支持部20とを連結する関節部30と、を備える咬合器1であって、関節部30は、第1支持部10の後側に設けられ左右に突出する一対の突出部31と、第2支持部20の後側に設けられ、一対の突出部31に係合して、第2支持部20を、一対の突出部31を回動軸として回動可能に支持する係合支持部32と、を備え、突出部31と係合支持部32とは、磁力により互いに吸着可能に構成される。【選択図】図2
