Dental chews work mechanically — the chewing action and textured ridges scrape plaque and tartar off the tooth surface as your dog gnaws. Some also contain enzymes or ingredients like chlorophyll that help reduce bacteria and freshen breath.

Yes, when used regularly (daily or a few times a week) as part of an overall dental care routine, dental chews can meaningfully reduce plaque and tartar buildup. They work best combined with regular brushing rather than as a total substitute.

Most dental chews are designed for daily use, but always check the specific product's feeding guidelines, as some (like rawhide-free chews) are formulated for daily feeding while others are meant as occasional treats.

Most brands, including Whimzees and Greenies, offer size-specific chews (from extra small to large) matched to your dog's weight to reduce choking risk. Always choose the size recommended for your dog's weight rather than sizing down or up.

Some dental chews are formulated for puppies with softer textures suited to developing teeth and gums, but many standard dental chews are intended for adult dogs. Check the product label for an age or life-stage recommendation before giving to a puppy.

Yes, most dental chew brands offer extra-small or "petite" sizes specifically designed for toy and small breeds, such as Greenies Teenie or Whimzees' smaller sizes. Always match the chew size to your dog's weight to prevent choking hazards.

Dental chews help reduce plaque but aren't a full replacement for brushing, which remains the gold standard for oral hygiene. Using chews alongside regular brushing gives the most complete dental care routine.

Dental chews do add calories to your dog's daily intake, so it's worth accounting for this if your dog is on a calorie-controlled diet. As a general guide, treats (including dental chews) should make up no more than about 10% of daily caloric intake.

Rawhide can pose a choking or blockage risk for some dogs, especially aggressive chewers who swallow large pieces. Many pet owners now prefer rawhide-free alternatives like Whimzees, Greenies, which are formulated to break down more easily.

Many dental chews are formulated to help freshen breath by reducing the bacteria and food debris that cause odour, in addition to their plaque-fighting benefits. Persistent bad breath despite regular dental care can also signal an underlying dental or health issue worth a vet check.