Give Your Smile An Upgrade With These Rare Prime Day Deals

Yes, the ever-popular Crest 3D Whitestrips will be on sale for Prime Day (they appear elsewhere on this list), but we could also see this Lumineux alternative selling out too — it's garnered over 57,000 ratings with a 4.1-star average. These also come dentist-recommended for patients with sensitive teeth. The strips are enamel-safe and peroxide-free, relying on natural ingredients like coconut oil, lemon peel oil and more.

Equipped with string floss, gum brushes and a layered tongue scraper, 3-in-1 cleaning device is primed to dislodge plaque and buildup from the deepest and most unyielding crevices of your mouth. The suspended floss is designed to last for a week at a time – a duration that the brand claims will replace over 700 individual floss picks. Naturally, it also vibrates at three different speeds.

There's a reason these things absolutely fly off the shelves every Prime Day: they really can work. All you have to do is peel off two strips and apply them for 45 minutes once a day, and Crest says you can see a difference of up to 20 shades whiter in about three weeks. This kit comes with 44 Professional Effects Whitestrips — enough for 22 days of treatments — and two one-hour Express Whitening treatments. It's never too late to have a glimmering smile.

Clean off your retainer, mouth guard or dentures in just five minutes with this ultrasonic cleaner. It uses high-frequency vibration for 360-degree cleaning. You can use it with a standard cleaning tablet, and the 250-milliliter capacity is great for all types of oral products including aligners, retainers and more. You can even use it to clean off jewelry if you want.

This popular rechargeable electric toothbrush is loved by many for its battery life, travel case and light-up pressure sensor that warns you if you’re brushing too hard. Most importantly, reviewers love this brush because of its cleaning power — “I literally feel like I’ve gone to the dentist after using this toothbrush,” says one.

This Oral-B Series 3 electric toothbrush includes a travel case, a charging cord and an extra brush head. It also has a built-in two-minute timer, which breaks down brush time into four 30-second intervals for each quadrant of your mouth, and three cleaning modes for customized brushing: daily clean, sensitive, and whitening. A pressure sensor alerts you when you’re brushing too hard or need to apply more pressure, plus it claims to last up to two weeks on a single charge, and many customers seem to agree.

So many HuffPost readers have already bought an electric toothbrush — we don't need to tell you how great they are. What we may need to tell you, however, is to replace your brush head regularly. This Oral-B 5-pack can help you save on replacements, with four Ultimate Clean brush heads and one Gum & Sensitive brush head. All the heads are compatible with the brand's super popular iO brushes.

This eight-pack of Reach brush heads can be an easy way to save money on expensive brush replacement heads. The bristles feature a multi-level design for a deeper clean, and they fit Oral-B power toothbrushes to make your life easier (just check the fine print in the product pictures to make sure your model is compatible).

While most of Waterpik’s cordless water flossers are created fairly equal, this pared-down option makes a really smart buy for anyone who wants Waterpik’s powerful pressurized cleaning stream but doesn’t need a lot of bells and whistles. The Advanced offers three settings, is designed to be whisper quiet and has a rechargeable battery, which connects magnetically and can charge in up to four hours. It also has global voltage compatibility and a compact 3-inch footprint, so you can whisk it in into your suitcase on your next trip without a second thought (as many reviewers have done.)

In addition to high-price gadgets, Prime Day is a great time to find basic essentials on sale, like this four-pack of Sensodyne toothpaste. The cool mint-flavored fluoride toothpaste can prevent cavities, freshen breath and whiten with regular brushing, all while being gentle on sensitive teeth.

This rechargeable electric toothbrush can do everything you need for exponentially better oral care than a manual toothbrush. It's even got pressure sensors to detect when you're pressing too hard, offers a two-minute timer so you can be sure you're brushing long enough, and has a two-week battery life per charge. This set includes the Philips Sonicare 5300 machine, a charger, one G2 Optimal Gum Care brush head, a travel case, and two replacement DiamondClean brush heads.

If you've been curious about a really splurgeworthy electric toothbrush, you might be pleased to know this Philips Sonicare ExpertClean 7500 brush is at its lowest price this year, with a steep 50% off discount. The discounted price puts it on par with other toothbrushes' full price, and while you may balk at the price tag, this one comes with some bells and whistles: the pressure sensor, four modes, three intensities, a USB charging travel case, progress report on your brushing and technology that reminds you to replace your brush head on time. All that, plus the brand claims it can remove 10 times more plaque than a manual toothbrush.

Save a whopping $130 on this DiamondClean toothbrush, which reviewers call the "best in its own class" and "a beast all around." They say their "teeth have never felt so clean." With five brushing modes, three intensities, personalized guidance in the Philips Sonicare app for better brushing, and 20 times the plaque removal of a manual toothbrush, this thing is a serious investment in your oral health that seems to be paying off for the happy shoppers.

A blast from the Y2K past, this set of Listerine PocketPaks gives your mouth a boost of minty freshness on the go. Rather than mints, they come in little sheets that dissolve on your tongue, almost feeling like you've rinsed your mouth with wash.

Promising review: "I have purchased this product several times. They are very handy to stick in a pocket and always have a way to freshen your breath. They are very powerful little squares that work instantly! You receive quite a bit of product for the cost. I highly recommend these breath strips.
" — Camper Cathy

If you feel like your mouth and tongue just aren't getting clean enough when you floss and brush, you may want to hop on the scraping train. This pair of stainless steel scrapers Is lightweight and bendable, while still warding off rust. Reviewers say the scrapers have helped with bad breath and just making their mouths feel cleaner. According to our price trackers, the deal is closer to 20% off, but still a great one for under $8.