A great white smile can make the perfect first impression, but there are far more benefits to proper oral hygiene than just a good looking set of pearly whites. Brushing your teeth properly helps prevent cavities, plaque buildup, and gum disease. We’re only given one set of adult teeth, so why not protect them with an electric toothbrush like this $39.99 AquaSonic? The AquaSonic Black Series Toothbrush features a 40,000 VPN motor that’s designed to deep clean your teeth by dissolving stains and whitening at the same time. The AquaSonic can remove up to 10 times more plaque than your cheap plastic supermarket brush, and it’s also much better at preventing gum disease in the long run. Finally, the AquaSonic comes with 8 brush heads and a travel case, so you can share it with a loved one or bring it wi… There are four different brushing modes—soft, whiten, massage, and cleaning—which you can cycle between to give you the perfect personalized cleaning routine.