Oral-B Professional Care 1000 Electric Rechargeable Power Toothbrush for $23.00 after clipping a $7.00  coupon.  Shipping is free on orders over $35.  If needed, use this Filler Tool to pad the order for free shipping.  Here is a screenshot for reference.  This electric toothbrush supposedly removes up to 2X more plaque than a regular manual brush.