| 摘要 |
FIELD: personal hygiene items.SUBSTANCE: device for oral cleansing, such as toothbrush (10) or installed in mouth device (20), which includes a bristle structure containing main element and bristle area for contact with teeth and teeth cleaning, said bristle area (17, 26) has bristles with density of 2-7 %, and separate bristle threads have rigidity, characterised by deviation of no more than 50 % of their length at ends of bristles equal to 6 N/cm, and deviation reaches 50 % at ends of bristles, equal to 85 N/cm.EFFECT: oral cleaning.13 cl, 8 dwg |
