You can score a massive electric toothbrush discount on Prime Day: Here are all the sales we recommend

Philips Sonicare ProtectiveClean Electric Toothbrush: was $109.96 now $59.95 at Amazon
The highly-rated Philips Sonicare ProtectiveClean has already fallen back down to its lowest-ever price of $59. That's a massive $50 saving that gets you a toothbrush, travel case, two spare heads, and the charging kit you need. The Sonicare features a timer that helps you brush each part of your mouth for the same amount of time, and is rated for two weeks of battery life.

Philips Sonicare ProtectiveClean Electric Toothbrush: was $179.96 now $79.96 at Amazon
If you want to push the boat out a bit, this more impressive Philips Sonicare is $80 off at Amazon for Prime members, and there's an extra $20 coupon you can apply to bring it down to well over half price. That coupon takes us $10 below the previous lowest-ever price for the 6500, which comes with a built-in pressure sensor and brush replacement reminder.

Oral-B iO3: was $99.99 now $59.99 at Amazon
The Oral-B iO is a similarly priced electric toothbrush with a hefty $40 discount, down to just $59 from its normal price of $99. We've seen this as low as $44, but this is still pretty great value. Like the Sonicare, it also comes with two extra brush heads and a travel case, and features all the bells and whistles you'd expect including a two-minute timer and three different settings.

Oral-B Genius X Limited: was $199.99 now $99.99 at Amazon
The Oral-B Genius X is an electric toothbrush powered by AI, currently half price for Prime Members in the October sale. Score one for just $99 instead of $199 in three different colors. AI gives you personalized coaching to help you cover all areas of your mouth evenly, and you can even connect it to a smartphone.

Waterpik Cordless Advanced 2.0 Water Flosser: was $99.99 now $72.95 at Amazon
Save money and cut waste with a water flosser that can help remove plaque and bacteria from those hard to reach places between your teeth. This Waterpik is $27 off its $100 list price. This one has been around for a few years, and we've seen it as low as $49.99, so it might pay to wait around a day or two longer.

Onlyone Water Dental Flosser Pick for Teeth: was $169.99 now $32.38 at Amazon
Perhaps the biggest deal we've seen, you can get a staggering $130 off this Onlyone Water Dental Flosser, down to a lowest-ever price of just $32. It comes with four different pressure settings and five different tips, as well as 300ml water tank. The battery should get you 30 days of use on a 3-hour charge, and it has over 1,000 ratings and a 4.8 score on Amazon.

Oral-B Smart 6: was £219.99 now £79.46 at Amazon
The Oral-B Smart 6 has a massive £150 off in the UK, down to just £80 from its usual £219 price. That's the lowest price we've seen for some time, if not the all-time low of £55. Still, it's a monster deal on a toothbrush that comes with five modes, two weeks of battery life, and a premium travel case.

Philips Sonicare ProtectiveClean Electric Toothbrush: was £249 now £89.99 at Amazon
For your Philips Sonicare fix in you UK, you can save a whopping £150 on the 7900 series, down to just £89 instead of £249. There are four brushing modes and three intensity levels, as well as connectivity via the Sonicare app for personalized brushing insights. You'll also get four heads and a USB charging travel case.

Waterpik Cordless Pearl Water Flosser: was £65 now £38 at Amazon
This rechargable water flosser with a build-in reservoir from Waterpik is a great way to dislodge bits of food from your teeth, and you can save £27 at Amazon right now.