An orthopedic appliance for a temporomandibular joint, includes: an upper teeth supporter and a lower teeth supporter, each of which includes a front arch portion corresponding to front teeth, and a pair of rear legs extended from the front arch portion, facing with each other and corresponding to a molar region at least one set of upper and lower pivots which are respectively coupled to the upper teeth supporter and the lower teeth supporter and rotatable in at least one direction among forward, backward, leftward and rightward directions and a connection member which connects the upper pivot and the lower pivot and adjusts a space between the upper pivot and the lower pivot. Thus, it is easy to adjust relative movement in a horizontal direction and height between the upper and lower teeth supporters.
