To provide an apparatus for exerting an effect on everyone in a right place at a right time while being easily worn and verifying a conventional saying that good chewing improves the brain function by giving appropriate vibrations thereto.

Sound and vibrations are more effectively transmitted to the temporal bone by collecting and adjusting occlusal sound and occlusion vibrations and at the same time adding healing music thereto. Furthermore, this apparatus is produced with an expectation of, if a user visually recognize the increase in an occlusion frequency, favorably stimulating the brain to promote the activation of the brain and generate a synergistic effect on the brain.