Dog Dental Treats Ranked: Which Ones Actually Reduce Plaque (and Which Are Just Treats)
Walk down the dog treat aisle at any pet store and you’ll find dozens of products with names like “dental,” “oral care,” or “teeth cleaning” on the label. Some feature cartoon toothbrushes. Some are green and vaguely mint-scented. Many cost more than regular treats.
After losing Cooper to oral melanoma at age nine, I started paying close attention to what actually helps a dog’s teeth — not what the packaging implies. And I have to be honest: a lot of what’s sold as “dental” is mostly just marketing. The treats taste good to dogs, the owners feel like they’re doing something, and the teeth don’t change much.
But some products genuinely work. Here’s how to tell the difference — and what the research actually shows.
The Only Label That Actually Matters: The VOHC Seal
The Veterinary Oral Health Council (VOHC) is an independent organization that evaluates pet dental products against standardized scientific protocols. To earn the VOHC Seal of Acceptance, a product must demonstrate in controlled studies that it reduces plaque or tartar — not just that it doesn’t make things worse, but that it measurably improves them.
This is the single most useful piece of information I can share about dental treats: if a product doesn’t have the VOHC seal, there is no independent verification that it does what the packaging claims. The seal doesn’t appear on every good product (some manufacturers never submit for evaluation), but its absence means you’re essentially taking the company’s word for it.
When I’m evaluating a new dental product for Birch, step one is always: does it have the VOHC seal?
The Products, Ranked Honestly
Greenies — Genuinely Effective
Greenies dental chews are probably the most studied dental treat on the market, and they’ve held the VOHC seal for years. Multiple independent studies have shown that regular Greenies use reduces both plaque and tartar formation compared to control groups. The texture is the key mechanism — it’s designed to compress against the tooth surface and provide mechanical abrasion all the way down to near the gumline.
They’re also genuinely palatable. Most dogs love them, which means they actually chew them rather than gulping them. A dental treat that gets swallowed whole without real chewing provides essentially zero benefit.
Caveats: they’re calorie-dense, so you should account for them in daily food intake. They’re also not appropriate for aggressive chewers who might break off and swallow large pieces. And they should be sized correctly — Greenies come in sizes based on dog weight, and using the right size matters for both safety and effectiveness.
Whimzees — Also VOHC-Approved and Vegetarian
Whimzees have earned genuine respect in the dog dental world. They’re VOHC-approved, made from vegetarian ingredients (potato starch, glycerin, pea flour), and don’t contain the preservatives or artificial ingredients you find in some other chews. They have a rubbery, almost spongy texture that many dogs find appealing, and that texture does a reasonable job of mechanically cleaning tooth surfaces.
They tend to last longer than Greenies, which is either a feature or a bug depending on your dog’s chewing habits. Some dogs get bored with a long-lasting chew and abandon it; others benefit from the extended chewing time. They’re a solid alternative for dogs who don’t tolerate certain Greenies ingredients, or for owners who prefer a shorter ingredient list.
Milk-Bone Brushing Chews — Mixed Evidence
Milk-Bone Brushing Chews have the VOHC seal, which puts them in the verified category. The texture is different from Greenies — more firm and somewhat abrasive. They’re widely available and less expensive than some competitors, which makes them appealing from a practical standpoint.
My experience is that many dogs find them somewhat less exciting than Greenies or Whimzees, which affects how thoroughly they chew them. Effectiveness depends heavily on the dog actually engaging with the chew properly, so palatability matters more than it might seem.
Pedigree Dentastix — Proceed with Skepticism
Dentastix are everywhere, and they do have a VOHC seal — so they’ve cleared the scientific bar. But they also have one of the longer ingredient lists in this category, including sugars and starches that aren’t ideal for dental health in other ways. There’s a mild irony in a dental treat that contains ingredients that feed oral bacteria.
They’re not harmful, and they do provide some mechanical benefit. But given the choice, I’d reach for Greenies or Whimzees first.
Raw Bones — Complicated
Raw bones occupy a complicated space. Anecdotally, dogs who chew raw bones regularly often have very clean teeth — the mechanical action is excellent, and raw bones are softer than cooked ones and less likely to cause tooth fractures. Some vets recommend them enthusiastically. Some won’t touch them because of the risks: bacterial contamination (Salmonella, E. coli), choking hazards, intestinal perforations from bone splinters.
The VOHC doesn’t have a seal category for raw bones because they can’t be standardized for clinical testing. The evidence that exists is mostly observational.
If you want to try raw bones, the guidelines most vets agree on: raw only (never cooked), size-appropriate (the bone should be larger than your dog’s mouth), supervised, and avoid marrow bones (too hard — they fracture teeth). This is a “talk to your vet” situation, not a universal recommendation.
The Generic “Dental Shapes” Treats — Skip Them
Every pet store carries a house-brand version of dental treats — little green things in the shape of toothbrushes or ridged bones. Most of these have no VOHC seal and no published clinical data. They’re colored with chlorophyll to look minty and fresh, they smell like something dental-adjacent, and they are mostly just treats.
I’m not going to say they’re harmful — they’re probably fine as occasional treats. But calling them dental treats is generous. If you’re buying them with the expectation that they’re doing something meaningful for your dog’s oral health, they’re probably not.
What Dental Treats Can and Can’t Do
Even the best dental chews — VOHC-approved, properly sized, chewed correctly — are a supplement to brushing, not a replacement. Here’s why: chews work through mechanical action on the crown of the tooth. They don’t get below the gumline, which is where the most serious damage from periodontal disease occurs. Only brushing (and professional cleanings) address the gumline.
That said, not every dog will tolerate brushing, especially if you’re starting late. In those cases, a high-quality dental chew plus a water additive is meaningfully better than nothing. Do what you can realistically sustain.
My Actual Routine with Birch
Birch gets Greenies three to four times a week as part of our dental routine, after his evening walk. I brush his teeth nightly. I use a water additive in his bowl. On nights when I give a Greenies, I count it as part of his daily calorie budget and slightly reduce his dinner.
Is it foolproof? No. But it’s grounded in evidence, and it’s consistent. After Cooper, consistent and evidence-based is what I’m going for. If you’re also wondering how diet affects your dog’s teeth, see our breakdown of whether dog food actually affects dental health.
If you’re still sorting out which dental chews are right for your dog, look for the VOHC seal, match the size to your dog’s weight, and make sure your dog is actually chewing rather than gulping. The rest is personal preference and what your particular dog will actually eat. Start there and adjust as you go.