A replaceable brush head for a powered toothbrush and a toothbrush incorporating the same. The brush head includes a body having a bore extending therethrough and a driveshaft extending through the bore and rotatable about a longitudinal axis. A first bristle block is disposed in the body and is operatively engaged with the driveshaft. A second bristle block is disposed in the body and is operatively engaged with the first bristle block. Rotation of the driveshaft produces a first type of motion in the first bristle block and the motion of the first bristle block produces a second type of motion in the second bristle block.