Update. This deal is now expired. Amazon drops the price of this Ora-B Pulsonic Sonic Rechargeable Electric Toothbrush from $69.99 to $39.99 with free super saver shipping. Even better, they are collaborating with Oral-B for this 50% off Mail-In Rebate, dropping the price to $19.98. This toothbrush is more effective at removing plaque so you'll have whiter teeth. It has a 4-star rating from 170 reviews. There is no sales tax (except in KS, KY, ND, NY, and WA).