PROBLEM TO BE SOLVED: To solve a conventional problem of an electric toothbrush in that an appropriate force to be pressed against tooth is not clearly understood by a user and the resulting excessively strong pressing force may cause strong stress on a base of a toothbrush shaft thus causing abrasion of a shaft bearing and breakage of the shaft, for the purpose of, in an arrival of an aged society, extending a healthy life for increasing the number of elderly people in good health who do not need a health care, and in particular for improving their tooth health which is extremely important as tooth problem may cause various types of disease and thus may increase the number of bedridden elderly people.SOLUTION: A use of an electric toothbrush assist tool can extend a life of an expensive electric toothbrush body and increase the number of continuous users.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】高齢化社会を迎え、介護のいらない元気な老人を増やすための健康寿命を延ばすことが課題となっている。その中でも歯の健康は非常に重要で、歯の不健康は万病のもとと言われるように様々な病気の原因となり、寝たきり老人を増やすことになる。電動歯ブラシは該歯ブラシを歯に押し当てる力加減が明確に利用者に把握されていないのが現状である。そのため、押し圧が強すぎて、歯ブラシ軸の根元に強大な応力を生じさせ、軸受けの摩耗、軸の折損などの問題を起こすことがある。【解決手段】電動歯ブラシ補助具を利用することにより、高価な電動歯ブラシ本体の寿命を延ばし、継続的な愛好者を増やすことができる。【選択図】図1
