Toothbrush
The utility model provides a toothbrush, which has a soft contact feeling to gingiva in the conventional toothbrush with a brush part larger than a compact brush part, and can realize both a dental plaque removal effect and a tooth stain removal performance at a practical satisfactory level. The too...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model provides a toothbrush, which has a soft contact feeling to gingiva in the conventional toothbrush with a brush part larger than a compact brush part, and can realize both a dental plaque removal effect and a tooth stain removal performance at a practical satisfactory level. The toothbrush is provided with a brush part in which a plurality of bristle bundles are planted in a bristle planting seat, and the brush part has a size such that the bristle planting width (X), which is the maximum width of the plurality of bristle bundles planted in a direction orthogonal to the longitudinal direction of the toothbrush, is 12 mm or more, and the ratio (X/Y) of the bristle planting width (X) and the bristle planting length (Y), which is the maximum width of the plurality of bristle bundles planted in the longitudinal direction of the toothbrush, is 0.5-1.0. The toothbrush is provided with: a predetermined first bristle bundle group provided in the center of a bristle-planting base in the longitudinal d |
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