| 摘要 |
A powered toothbrush includes a handle having a neck. A head is mounted to the neck and has a first portion and a second portion. A plurality of tuft blocks is mounted to the second portion, with each tuft block having a tooth cleaning element. At least one projection is positioned on one of the first and second portions, each projection engaging one of the tuft blocks and pivoting the tuft block with respect to the second portion. A drive assembly is operably connected to one of the first and second portions to drive the one of the first and second portions in an oscillating manner.
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