| 摘要 |
The invention relates to a treatment element ( 1 ), which can be mounted onto an appliance for cleaning dental interstices. Said element comprises a shank ( 2 ), provided with bristles that radiate outwards ( 3 ). The brush head has a substantially polygonal, in particular triangular form ( 5 ). Said head can have a series of zones of different diameters along the shaft ( 2 ) and in particular, tapers ( 6 ) towards its end.
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