Barely, and it's worth being straight about why. Once soft plaque mineralizes into tartar, it's bonded to the enamel like scale in a kettle, and no chew, food, or water additive scrapes it off. Only a veterinary dental cleaning removes existing tartar. What a daily chew does is work the surfaces around and above that tartar, slowing the next layer from forming. So chews are a prevention tool aimed at tomorrow's buildup, not a way to undo last year's.
What tartar is, physically
Plaque is a soft bacterial film that starts reassembling on clean enamel within hours of a meal. Left alone, minerals in saliva harden it. That takes somewhere in the range of one to three days.
The hardened result is calculus, which owners call tartar. It's rough, porous, and yellow-brown, and it gives fresh plaque a textured surface to grip. Buildup accelerates once it starts.
Plaque and tartar, side by side
Why the answer isn't a flat no
There's a narrow exception. Thin, fresh mineral deposits at the very edge of hardening can sometimes be knocked loose by vigorous chewing on the tooth surfaces that actually make contact.
Don't build a plan around it. Established tartar, especially the ridge that sits along the gumline and under it, isn't going anywhere without instruments.
The surfaces a chew reaches, and the ones it misses
Chewing works the cusps and outer faces of the premolars and molars, where the chew is physically compressed between teeth. Those are the surfaces that get cleaner.
Canines, incisors, and the inner faces facing the tongue get almost no contact. That's a real limitation of every chew ever made, and it's the main argument for brushing on top of chewing rather than instead of it.
What your dog's mouth is telling you
Run a finger along the outside of the upper back teeth once a week. You're feeling for roughness and looking for a brown line where tooth meets gum.
Red or puffy gum margins, breath that has turned genuinely foul, a dog who flinches when you touch one side of the face, or any loose tooth are reasons to book an exam rather than reach for a chew. Have your veterinarian look before you change anything at home.
What a professional cleaning actually accomplishes
A veterinary dental under anesthesia includes scaling above and below the gumline, polishing, a tooth-by-tooth exam, and usually radiographs to see the roots. That's the only route to a genuinely clean mouth once tartar is established.
The AVMA's pet dental care page explains why anesthesia is part of the procedure rather than an optional extra. Costs vary widely by region and by how much work each mouth needs, so ask your clinic for an estimate range.
Where daily chews earn their keep
The day after a cleaning, your dog has bare enamel and a clock running. Plaque begins to reassemble immediately; mineralization follows within a few days.
Daily mechanical cleaning is what stretches the interval between professional visits. A Brushless Toothpaste dental chew is a source of that daily friction, with a toothpaste-style center and, on some chews, the astaxanthin-bearing Asta-Shield coating carried into the mouth as the dog chews.
How Ark Naturals chews are built
The design is a firm outer shell the dog has to work through and an inner paste that spreads as the shell breaks down. Chewing time is the active ingredient.
Sizes and textures run from firm classic chews to softer versions for older or sensitive mouths, and Protection+ adds the coated format. The Protection+ Brushless Toothpaste chew is the version most owners pick when they want the coating included, and the full lineup sits in the Ark Naturals dog collection.
How to judge whether a routine is working
Photograph the same two upper premolars monthly, in the same light. Memory is unreliable and a phone camera isn't.
You're looking for the brown edge holding steady rather than spreading. Slowing progression is the realistic win from home care between cleanings, and it's a meaningful one.
What else moves the needle
Brushing beats everything else at home, even three times a week with a soft brush and a dog-formulated paste. Never use human toothpaste.
Diet texture plays a small role, and chew toys sized for your dog add contact time. Products tested against plaque and tartar accumulation appear on VOHC's accepted products list, which is a useful reference when you're comparing categories rather than brands.
Questions owners actually ask about tartar
Will dental chews remove tartar from my dog's teeth?
No. Chews disrupt soft plaque and slow new mineral buildup, but existing tartar comes off only during a veterinary cleaning with proper instruments.
How long does it take plaque to turn into tartar on a dog's teeth?
Commonly one to three days once plaque is undisturbed, which is exactly why daily beats weekly for any home routine.
Can I scrape my dog's tartar off myself?
Please don't. Home scrapers damage enamel, miss everything below the gumline, and leave a roughened surface that collects plaque faster. Ask your vet what they'd charge for the real thing.
My dog's breath still smells after a month of chews. Why?
Odor that persists usually comes from bacteria under the gumline, where no chew reaches. That's an exam conversation, not a product conversation.
Do chews help if my dog already has heavy buildup?
They're still worth starting, but sequence matters. Get the cleaning done first, then use daily chews to protect the clean surfaces you paid for.