PROBLEM TO BE SOLVED: To provide a teeth biting tool which suppresses a positional deviation and a dislocation from a mouth and capable of stably biting the teeth for a long time and easily usable, and a using method of the teeth biting tool capable of optimization of operation means for remotely operating various operated bodies such as a robot, a terminal device and the like or a functional device for exerting the functional operation for human five senses or educational learning/sport entertainment and self-training and promoting usage of various tools.;SOLUTION: A using method of a teeth biting tool 1 is provided, in which the teeth biting tool 1 for biting the teeth is configured to orally engage a biting main body 2 for a long time in the lateral direction and allowing a tongue training tool or a tongue moving operation part 28 for remotely operating the operated body or various electric oral devices or visual field display tools or a functional tool 6 for exerting predetermined operations to bodily sense organs and the like to be installed on the teeth biting tool 1, while having the convenience of using the mobile communication terminal.;SELECTED DRAWING: Figure 7;COPYRIGHT: (C)2019,JPO&INPIT
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