At Amazon, get the Mouthology 10% Nano Hydroxyapatite Fluoride-Free Whitening Toothpaste for $4.99 when you clip the on-page coupon and check out with Subscribe & Save. It's the best price we could find by $5. Shipping is free for Prime members. Buy Now at Amazon

At Amazon, clip the on-page coupon and check out with Subscribe & Save to get this Colgate Optic White Advanced Hydrogen Peroxide Toothpaste 3-Pack for $6.34. It's the best price we could find by $7. Shipping is free for Prime members. Buy Now at Amazon

Choose Subscribe & Save to get the absolute lowest price. This three-pack of Colgate Optic White toothpaste drops to $7.99 with the on-page coupon applied automatically at checkout, down from the $14.99 list price. The formula uses 2% hydrogen peroxide, the same whitening ingredient dentists use, and is designed to be safe for enamel with daily use. Prime members get free shipping.  Buy Now at Amazon

Spearmint Fluoride-Free Toothpaste suits anyone looking to cut fluoride from their routine without switching to a harsh-tasting alternative, since it sticks with a standard mint flavor rather than the charcoal or clay taste some natural brands lean on. Buy Now at Amazon

Shop mechanics and weekend tinkerers who need serious grease-cutting power will appreciate the medium grit formula, and having four tubs on hand means you're not scrambling mid-project when one runs dry. Buy Now at Amazon

Worth a look if your current toothpaste leaves your mouth feeling stripped and dry, since this one skips SLS and uses hydroxyapatite instead of fluoride to support enamel. The 1.3oz size also makes it easy to toss in a travel bag without committing to a full tube before you know if you like it. Buy Now at Target

Dentists increasingly point to nano hydroxyapatite as a fluoride-free option for rebuilding enamel, so this is worth a look if that's what you're after in a toothpaste, and it's currently $3 off the $13 list price. Buy Now at Amazon

Formulated around the brand's oxygenating compounds rather than standard mint flavoring, this two-pack suits anyone dealing with chronic bad breath issues that regular toothpaste hasn't solved, and it's currently $5.87 off list price. Buy Now at Amazon

Dentists often recommend TheraBreath for tackling chronic bad breath rather than just masking it, so it suits anyone dealing with persistent odor issues, not just whitening. The 2-pack runs $8.83, about $5 off the $13.99 list price. Buy Now at Amazon

Switching to a powder instead of paste takes some adjustment, but it's worth a look for anyone trying to cut synthetic additives from their routine, and at $20.79 you're paying $5.20 less than the list price. Buy Now at Amazon

No-brushing-required toothpaste works well for cat owners dealing with a pet that won't tolerate a toothbrush near its mouth, and it's currently $2.60 off the $12.99 list price. Buy Now at Amazon

Tooth powder takes some adjustment if you're used to paste, but it's worth considering if you want to cut synthetic additives from your oral care routine, and this peppermint version runs $5.20 below list price right now. Buy Now at Amazon

Worth a look if you're trying to cut back on fluoride without giving up remineralizing benefits, since nano-hydroxyapatite works as an alternative active ingredient; it's currently $6.40 off the $32 list price. Buy Now at Amazon

Worth a look if you're trying to cut back on fluoride without giving up remineralizing ingredients, since nano-hydroxyapatite is the main active here instead; it's $6.39 (20%) off the usual $32 price right now. Buy Now at Amazon

Dogs reluctant to tolerate brushing tend to cooperate more with a flavor like London broil, which makes this a reasonable option if your pet's dental care routine keeps stalling out. It's $5 off the $25 list price at Amazon. Buy Now at Amazon

Daily brushing is easier to stick with when the toothpaste is actually safe for dogs to swallow, which is the main selling point here, and it's $4 off the $20 list price. Buy Now at Amazon

Pet owners dealing with a dog who hates teeth brushing might have better luck here, since the rotisserie chicken flavor is meant to make the process less of a fight, and it's currently $5 off the $25 list price. Buy Now at Amazon

Update: The price has changed to $19.50 since this was originally published.

Worth a look if you're trying to cut fluoride from your routine, since nano-hydroxyapatite is the main alternative remineralizing agent dentists point to, and right now it's $1.22 off the $19.50 list price. Buy Now at Amazon

Dogs averse to brushing often tolerate this gel better since it works without a toothbrush, making it a reasonable pick for keeping up dental care between vet cleanings. It's $4 off the usual $20 price at Amazon. Buy Now at Amazon

Worth a look if you're trying to cut fluoride out of your routine without giving up cavity protection, since nano-hydroxyapatite works as a remineralizing alternative; it's at $18.52 right now, about a dollar off the $19.50 list price. Buy Now at Amazon