The present invention relates to an articulator that comprises a lower jaw fixing rod (10) and an upper jaw fixing rod (20), wherein the lower jaw fixing rod (10) includes: a lower jaw fixing part (11) on which a lower jaw model (200) is mounted an upwardly curved support part (14) that extends from the lower jaw fixing part (11) and bends upward a rotary shaft (13) formed on the distal end of the upwardly curved support part (14) and an interval adjustor support part (12) that extends from the rotary shaft (13) and bends such that the tip end thereof is directed in the same direction as the tip end of the lower jaw fixing part (11), and the upper jaw fixing rod (20) includes: an upper jaw fixing part (21) on which an upper jaw model (300) is mounted a downwardly curved support part (27) that extends from the upper jaw fixing part (21) to bend downward and has a stopper (22) formed on the distal end thereof, wherein the stopper (22) is open in the direction in which the tip end of the lower jaw fixing part (11) is directed, and the rotary shaft (13) is engaged with the stopper (22) in the opposite direction so that the rotation of the rotary shaft (13) is supported and a guide part (23) that is mounted on the downwardly curved support part (27) and has a return means for returning the rotary shaft (13) to the original location prior to separation.La présente invention concerne un articulateur qui comprend une tige de fixation de mâchoire inférieure (10) et une tige de fixation de mâchoire supérieure (20), la tige de fixation de mâchoire inférieure (10) comprenant : une partie de fixation de mâchoire inférieure (11) sur laquelle un modèle de mâchoire inférieure (200) est monté une partie de support incurvée vers le haut (14) qui sétend de la partie de fixation de mâchoire inférieure (11) et se courbe vers le haut un arbre rotatif (13) formé sur lextrémité distale de la partie de support incurvée vers le haut (14) et une partie de support de dispositif de réglage d
