Do Dental Chews Work for Dogs? A Detailed Look at Their Effectiveness
Dental chews have become a staple in many dog owners' routines, especially for those pups who squirm away from the toothbrush. But do these treats actually make a difference in your dog's oral health? Let's dig into what the evidence says and how you can use dental chews most effectively.
The Science Behind Dental Chews
Dental chews are designed with unique shapes, ridges, and sometimes special ingredients like enzymes to help scrape away plaque and tartar as your dog gnaws. The mechanical chewing action is key—it physically disrupts the buildup that leads to dental disease. Some chews include polyphosphate or similar additives to boost their cleaning power.
Research supports their benefits: daily use of well-designed dental chews can slow the progression of periodontal disease. In clinical studies, dogs given certain dental chews saw a 12-17% reduction in plaque coverage and a 20-36% drop in calculus (tartar) compared to dogs who only ate their regular diet. Breath odor also improved noticeably.
What Makes a Dental Chew Effective?
- Shape & Texture: Chews with ridges or nubs are more effective at scraping teeth.
- Ingredients: Additives like enzymes or polyphosphates may enhance cleaning.
- Hardness: The chew should be firm enough to clean but not so hard it risks breaking teeth.
The Veterinary Oral Health Council (VOHC) reviews products and awards a seal of acceptance to those proven effective against plaque or tartar. Looking for this seal helps ensure you're choosing a product that works.
Caveats and Safety Concerns
No dental chew is perfect for every dog. Effectiveness depends on your dog's chewing style, preferences, and even their breed or age. Not all products marketed as 'dental' are safe or effective—some are too hard (like antlers or bones), risking tooth fractures or choking hazards. Others might be swallowed whole or cause digestive issues.
- Avoid very hard treats, hooves, antlers, or bones—these can break teeth.
- Select chews sized appropriately for your dog; discard small pieces that could be swallowed.
- Monitor calorie content to avoid weight gain from frequent treats.
Puppies need special consideration—not all dental chews are suitable for young dogs. Always check manufacturer recommendations before offering them to puppies.
The Gold Standard: Tooth Brushing
Dentists agree: tooth brushing remains the gold standard. Dental chews help reduce buildup but shouldn't replace brushing or professional cleanings. Think of them as part of a broader oral care routine—including:
- Daily tooth brushing with canine toothpaste
- Routine veterinary dental exams and professional cleanings
- Selective use of VOHC-approved dental chews
This combination is the most effective way to prevent periodontal disease and keep your dog's mouth healthy long-term.
Special Considerations by Breed & Age
Certain breeds—especially small dogs with crowded teeth—are more prone to hidden plaque and tartar no matter how much they chew. Age, immune status, health history, and genetics also play roles in susceptibility to dental problems. That's why regular veterinary checkups are essential even if you use dental chews daily.
Tips for Choosing and Using Dental Chews
- Look for the VOHC seal when shopping for dental products.
- Select long-lasting options like rubber toys or nylon bones—but discard if they become too small.
- Avoid products that seem excessively hard; if you can't dent it with your fingernail, it's probably too tough for your dog's teeth.
- Supervise your dog while chewing to prevent accidents or choking.
The Bottom Line: Do They Work?
The evidence shows that dental chews do work, especially when used daily as part of an overall oral hygiene plan. They reduce plaque, calculus, and bad breath—but they're not miracle workers on their own. Combine them with brushing and professional care for best results (and always consult your veterinarian about what's right for your individual dog).





