Fortunately, Walmart can help you in this endeavor with one of its bestselling sonic toothbrushes. One of the most popular models is currently on sale, and this deal has us smiling from ear to ear.

The “perfect toothbrush” does exist, at least, according to several Walmart shoppers. The Waterpik Sensonic Sonic electric toothbrush (ironically, a mouthful to say) feels like a “profession ...