A powered toothbrush includes a handle having a neck. A head is mounted to the neck and has a first surface and an opposed second surface At least one fixed tuft block is mounted to the head in a fixed orientation and has a plurality of tooth cleaning elements extending outwardly away from the first surface. A movable tuft block is flexibly connected to each fixed tuft block and has a plurality of tooth cleaning elements extending outwardly away from the first surface. A drive assembly is operably connected to the movable tuft block to move the movable tuft block with respect to each fixed tuft block.本發明揭示一種動力牙刷,其包括含一狹部之握柄。一刷頭配置於狹部,且具有一第一面與一對側之第二面。至少一集簇之固定刷毛依一固定方向而配置於刷頭,且具有複數個牙齒清潔元件,其從第一面朝外伸出。一可動之刷毛集簇有彈性地連接至各固定之刷毛集簇,且具有複數個牙齒清潔元件,其從第一面朝外伸出。一驅動組件經由操作而連接至可動之刷毛集簇,用以令可動之刷毛集簇相對於各固定之刷毛集簇而移動。12‧‧‧握柄14‧‧‧刷頭16‧‧‧轉軸18‧‧‧第一面28‧‧‧第一固定刷毛集簇30‧‧‧第二固定刷毛集簇32‧‧‧牙齒清潔元件34‧‧‧可動刷毛集簇36‧‧‧彈性膜38‧‧‧狹縫40‧‧‧刷毛集簇基底部份42‧‧‧最遠端44‧‧‧縱軸
