These Prime Day discounts on electric toothbrushes will make you smile

Oral-B Pro 5000 electric toothbrush | $159.99 now $59.99 at Amazon
Save $100 -  Grab a huge 63% off the Pro 5000, a mid-range rechargeable electric toothbrush. It's missing some of the connectivity of its iO series brethren, but at this price, it's hard to beat. Want a decent electric toothbrush for cheap? This is the deal to get. 

Oral-B Genius X electric toothbrush with artificial intelligence | $199.99 now $99.99 at Amazon
Save $100 - This AI-powered toothbrush comes with a replacement brush head and travel case. The "Genius" AI has learned from thousands of real people using toothbrushes to analyze your brushing style and recommend changes. 

Oral-B iO Series 7 electric toothbrush | $219.99 now $139.99 at Amazon
Save 36% -  This techie toothbrush is compatible with the Oral-B smart app for better cleaning, and flashes red when you're brushing too hard and green for Goldilocks just right. "Live coaching" features track and prompt you with better technique on the fly. 

Hum by Colgate Smart Battery rechargeable smart toothbrush | $65.90 now $34.94 at Amazon
Save 43% - This handy rechargeable toothbrush from Colgate is a real find if you're looking to pick up a smart brush on the cheap. The accompanying app shows how much coverage your mouth is getting each time you clean, as well as a two-minute timer and spare brush head. 

Hum by Colgate Kids smart toothbrush | $19.99 now $8.99 at Amazon
Save 53% - The kids' equivalent of the Hum deal above,  the smart app offers gamification and new levels to be "unlocked" by keeping your teeth clean. Great motivation to teach children good oral hygiene. 

Philips Sonicare Power Flosser | $99.99 now $59.96 at Amazon
Save 40% - Not an electric toothbrush but a Power Flosser, using concentrated jets of water to dislodge particles of food between your teeth. Gentle pulses of water are said to guide you from tooth to tooth, while quad jets act like tiny Squirtles to clear away inter-tooth debris and plaque. 

Philips Sonicare Diamondclean 9500 | $269.99 now $159.99 at Amazon
Save $110 - With a head resembling a traditional toothbrush rather than an oscillating circle, the Diamondclean 9500 is a great brush with its own smart ecosystem and five modes. The glass in the picture is actually a charging station, which is a really neat trick. 

Oral-B Genius 8000 smart toothbrush | £279.99 now £79.99 at Amazon
Save £200 - What a discount! If you're looking for an electric toothbrush in the UK, this is by far the best deal we've seen yet. Position detection automatically calculates where and how well you're cleaning, sending the information to your phone. Don't miss out and get it now.

Oral-B iO Series 6 smart toothbrush | £299.99 now £109.99 at Amazon
Save £190 - Giving the Genius 8 deal above a run for its money, the iO6 boasts similar connectivity, with gentle micro-vibrations pulsing from the brush head helping to leave gums healthier for less. Much, much less. 

Philips Sonicare Dailyclean 3100 | £69.99 now £29.99 at Amazon
Save £40 - Clean teeth don't have to cost the earth. If you're after a no-fuss, no-frills, no-artificial intelligence electric toothbrush by a reliable, trusted brand, Philips has got you. If you're on a budget, this is the deal for you.