A toothbrush is a small, handheld device with bristles used for cleaning and maintaining oral hygiene. It is an essential tool for brushing teeth, removing plaque, and promoting overall dental health. Toothbrushes typically have a handle for gripping and a head with bristles of various lengths and textures. They are designed to reach all areas of the mouth and effectively remove food particles, bacteria, and stains from the teeth and gums.

英語での「toothbrush」の定義と意味

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