| 摘要 |
<p>A brush contains a casing 1, the closed end of which has a rough surface 2, and the open end is provided with an elastic belt 3 for fixing the casing on a hand; from the closed end of the casing at a distance approximately 0,2÷0,4 of its length, which is intended for the first finger phalanx, there is a site with the goffered surface 4 or the goffered surface provided with bristle for applying tooth-paste, and from the closed end at a distance approximately 0,5÷0,7 length there is a site with elastic projections of the length 1,5÷4,5 mm for massaging an oral cavity.</p> |
