How We Ranked These
Every food on this list was scored using KibbleIQ’s ingredient analysis rubric, which evaluates protein quality, filler content, preservative safety, and overall ingredient transparency on a 0–100 scale. Dental health is one of the most over-promised categories in commercial pet food marketing — we’ve de-emphasized marketing claims and focused on ingredient factors that actually matter: absence of fermentable sugars that feed plaque bacteria, quality proteins over starchy fillers, and (secondarily) kibble size and texture that supports mechanical chewing action.
The American Veterinary Medical Association reports that 80% of dogs show signs of periodontal disease by age 3. The Veterinary Oral Health Council (VOHC) maintains the only independent seal for plaque/tartar reduction in pet foods and treats — at time of writing, only a handful of veterinary therapeutic diets (Hill’s t/d, Royal Canin Dental) and dental chews carry the seal. Commercial adult kibble does not meet VOHC standards alone. What it can do is avoid making things worse, which our top picks accomplish.
Our Top 5 Picks
1. Orijen — A (90/100)
Orijen’s dental-health case rests on what’s absent: no cornmeal, no wheat flour, no rice syrup, no sucrose, no caramel — none of the fermentable simple carbohydrates that oral bacteria convert into plaque acid. The biologically appropriate formula is 85% animal ingredients with relatively low overall starch content, meaning fewer plaque substrates reach your dog’s teeth. Kibble size is large and firm, which encourages chewing and mechanical plaque disruption in medium and large breeds.
No kibble alone replaces daily brushing, but a low-starch, protein-forward food combined with enzymatic toothpaste and a VOHC-approved dental chew is the strongest at-home dental maintenance plan you can assemble without veterinary cleaning. Read our full Orijen review → · Shop on Amazon →
2. Acana — B (88/100)
Acana follows the same Champion Petfoods philosophy as Orijen — protein-forward, low-starch, minimal fermentable carbohydrates — at a lower price point. Recipes avoid the added sugars, caramel color, and corn-based binders that characterize many mass-market dental “care” formulas. Kibble size is medium to large, again supporting mechanical chewing in breeds large enough to use the kibble as a natural abrasive.
Acana is a practical everyday option for dental-conscious feeding without the premium price of Orijen. Pair with enzymatic toothpaste 3–5 times weekly and a weekly VOHC-approved dental chew for the full at-home plan. Read our full Acana review → · Shop on Amazon →
3. Purina Pro Plan Sport 30/20 — B (76/100)
Purina Pro Plan Sport is a grain-inclusive, WSAVA-compliant option with a higher-protein (30%) formulation and kibble shapes engineered through Purina’s research program for optimal mechanical chewing. Nestlé Purina also makes several VOHC-approved dental products (Pro Plan Veterinary Diets DH Dental Health, the T-Bonz line of dental chews) — the research infrastructure that supports those approvals carries over to the standard Pro Plan Sport formulations in kibble design and ingredient selection.
For dogs who are also in the “needs grain-inclusive food” category (mitral valve disease, DCM-predisposed breeds per FDA advisory), Pro Plan Sport covers both cardiac and dental considerations simultaneously. Read our full Purina Pro Plan Sport review → · Shop on Amazon →
4. Wellness CORE — A (90/100)
Wellness CORE is grain-free, high-protein, and low in fermentable starches. The absence of corn, wheat, and soy means fewer simple carbohydrates available for oral bacteria to ferment. Kibble shape is medium-firm and designed for chewing — not as large as Orijen, which may suit smaller dogs where an oversized kibble gets swallowed whole rather than chewed. For toy and small breeds specifically, kibble size that requires actual chewing is a secondary dental-support factor.
The recipes also include guaranteed probiotic strains, which emerging research suggests may support oral microbiome health in addition to gut health — early-stage evidence but biologically plausible. Read our full Wellness CORE review → · Shop on Amazon →
5. Hill’s Science Diet — C (61/100)
Hill’s Science Diet ranks lower on our overall ingredient rubric, but it earns a dental-health mention for one reason: Hill’s Prescription Diet t/d Dental Care — the veterinary therapeutic dental diet — is one of the few foods carrying the VOHC seal of approval for plaque and tartar reduction. t/d’s formulation research and kibble-design technology carry over to elements of the standard Science Diet kibble. Neither product is revolutionary for everyday dental maintenance, but if your dog is on Science Diet already, you’re at least close to an evidence-backed dental-adjacent formulation.
If your vet has mentioned t/d specifically, use it — prescription required. Otherwise, Science Diet is a mid-tier option that won’t actively harm dental health. Read our full Hill’s Science Diet review → · Shop on Amazon →
What to Look for in a Food for Dental Health
Kibble alone is not a dental solution. This is the single most important point. The AAHA 2019 Dental Care Guidelines and AVMA position statements make clear that daily tooth-brushing with enzymatic toothpaste is the gold standard for at-home dental care. Dry kibble has marginal mechanical benefit over wet food, but not enough to substitute for brushing. Owners who believe their dog’s kibble handles dental care typically discover the truth only at age 4–6 when the dog needs a $1,500 veterinary dental cleaning under anesthesia. Start brushing daily as a puppy — the acceptance window closes after 6 months.
VOHC seal of approval is the only independent validation. The Veterinary Oral Health Council, an independent body affiliated with the American Veterinary Dental College, maintains the only gold-standard seal for tested plaque/tartar reduction in pet foods and chews. The current VOHC-approved food list includes Hill’s t/d, Royal Canin Dental, and Purina Pro Plan Veterinary Diets DH Dental Health — all prescription diets. Dental treats and chews: Greenies Dental Treats, Virbac C.E.T. chews, and several others carry the seal. VOHC lists update periodically at vohc.org. If dental health is a priority, buy a VOHC-approved food or pair a commercial food with VOHC-approved daily chews.
Avoid fermentable sugars and starches. Sucrose, dextrose, corn syrup, molasses, honey, caramel, maltose, and highly refined starches (white rice flour, corn flour) feed the oral bacteria that produce plaque acid. Most mass-market kibbles contain one or more of these as palatability enhancers or browning agents. Ingredient lists matter here — higher-quality, protein-forward foods naturally contain fewer of these substrates. Meow Mix-tier and Kibbles ‘n Bits-tier foods are especially problematic because the semi-moist chunks often use propylene glycol and added sugars for moisture retention and palatability.
Kibble size matters more for large breeds. For medium, large, and giant breeds, larger firm kibble requires actual chewing — which provides mechanical plaque disruption on the molar surfaces. For toy, small, and brachycephalic breeds (Bulldogs, Pugs, Shih Tzus), small kibble is usually swallowed whole with little chewing, meaning no mechanical benefit. Breed-specific kibble sizing (Royal Canin is the only brand that engineers kibble shape per breed) is less nutritionally relevant but may provide marginal mechanical benefit for specific dogs.
Professional dental cleaning every 1–3 years. Even with daily brushing, VOHC-approved foods, and dental chews, most dogs need professional dental cleaning under anesthesia every 1–3 years depending on breed predisposition. Small and brachycephalic breeds (Yorkies, Dachshunds, Chihuahuas, Shih Tzus, Bulldogs) often need annual cleanings — their tooth crowding and jaw geometry drive faster tartar accumulation. Routine cleaning is much cheaper and less risky than waiting for advanced periodontal disease that requires extractions and antibiotics. AAHA and AVMA both emphasize anesthetic dental cleaning as standard-of-care; “anesthesia-free” cleanings remove only visible tartar and miss the subgingival disease that actually matters.
Honorable Mention
Hill’s Prescription Diet t/d Dental Care is the veterinary therapeutic dental diet with VOHC approval for plaque and tartar reduction. The kibble is engineered with a special fiber matrix that disrupts plaque as the dog chews — essentially a kibble-shaped toothbrush. For dogs with ongoing periodontal disease, post-dental-cleaning recovery, or breeds prone to rapid tartar accumulation (Yorkies, Dachshunds, Shih Tzus, Bulldogs), t/d is the one commercial food with peer-reviewed plaque-reduction outcomes. Requires veterinary prescription. Royal Canin Dental is the VOHC-approved alternative if your vet prefers the Mars Petcare portfolio.
Bottom Line
For everyday dental-aware feeding, Orijen and Acana are our strongest picks — low-starch, protein-forward formulas that minimize plaque-feeding sugars. For dogs who need grain-inclusive food (cardiac patients per FDA DCM advisory), Purina Pro Plan Sport delivers similar dental-adjacent profile with WSAVA-compliant research backing. For dogs with active periodontal disease or breeds prone to rapid tartar, ask your veterinarian about Hill’s Prescription Diet t/d — the one VOHC-approved therapeutic dental food. But the hard truth applies to all commercial kibbles: food is not dental care. Daily brushing with enzymatic toothpaste, VOHC-approved dental chews, and routine professional cleanings every 1–3 years are the actual standard-of-care — your food choice just supports the plan rather than replaces it.