To provide a bite fork capable of being easily positioned to the midsagittal plane and occlusion plane of a patient, a lower jaw movement measuring apparatus provided with the bite fork, and a diagnosis support system provided with the lower jaw movement measuring apparatus or the reproduction method of an occlusion state using the diagnosis support system.
The bite fork 1 is provided with an exposed part 8 arranged outside the mouth of the patient in the state that a bite part 5 is inserted in the mouth. The exposed part 8 is provided with an indication pin which passes through a line roughly bisecting the bite part 5 in a horizontal direction correspondingly to the horizontal center position of a tooth row and is arranged on a reference plane P1 orthogonal to the bite part 5, and an indication part 14 arranged along a plane roughly parallel to the bite part 5. The indication part 14 is arranged along both left and right temporal parts of the patient in a state of inserting the bite part 5 into the mouth of the patient while positioning the indication pin to the median line of the patient in the front view.
HINO ERI
Takao Ito
Jiro Higuchi