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Diets, treats - and what actually has evidence
What the seal means - and doesn't
When a manufacturer submits controlled trial data showing its diet, treat, water additive, gel or other product measurably slows plaque or tartar buildup, the VOHC may award its seal for that specific claim: "helps control plaque" or "helps control tartar" (or both). The seal is not a general endorsement, not a treatment for existing dental disease, and not proof a product does anything about gingivitis, bad breath or tooth resorption. It's a narrow, useful filter in a category full of vague promises.
The main product families
- Dental diets
- Dental treats
- Water additives and oral gels
- Chew toys
Choose the exact product with your vet and check whether its VOHC seal covers plaque, tartar or both. A product category alone does not establish evidence for an individual product. Follow your vet’s instructions and account for any treat calories.
Where these fit in the plan
Think of home dental care as layers. Brushing is the layer VOHC calls the gold standard; sealed diets and treats can add to it, including for cats who never accept brushing. And both layers sit on top of the foundation they can't replace: professional cleaning to remove established tartar and examine below the gumline, where resorptive lesions hide.
A note on "anesthesia-free" cleanings
Cornell describes probing and dental X-rays under anesthesia for complete assessment of periodontitis, and scaling and polishing as treatment. Your vet decides what examination, anesthesia, monitoring and treatment your cat needs. Discuss risks, proposed procedures and consent before treatment.
