I had always heard that dry food was better for my dog and cat because it helps keep their teeth clean, I even remember TV commercials about dry treats that would clean the dog’s teeth.

In the question Is there anything beyond preference that dictates whether dry food should be wet down? comments suggest that dry food is not really helpful. Is the whole dry food = better teeth thing a myth or what?

up vote 13 down vote accepted

Trying to find some peer-reviewed article of book about the subject, found the "Manual of Veterinary Dietetics", from Saunders / Elsevier.

The conclusion is that Soft / Hard foods don't have any clear winner. Many studies were made /reviewed, and the authors found it hard to compare the conclusions because each study involved different animals, with different methods of analysis.

Those authors conclusion it that same breed have more tendency on developing dental problems since their anatomy is different, for example, having more or less space among the teeth.

Some special food (textured dry food), on the other hand, could be beneficial in the plaque removing process, and flat rawhide chews of small sizes could help too.

Source:

MANUAL OF VETERINARY DIETETICS 0-7216-0123-5 Copyright © 2004, Elsevier (USA). All rights reserved. Authors: Tony Buffington, Cheryl Holloway and Sarah Abood.

It depends - if the dry food is going down without being chewed (which is most of the time in my experience), then it's not going to do any more for a dog or cat's teeth than anything else.

Vets I've spoken to have also said that dry food isn't necessarily going to be much help with keeping teeth clean - they recommend uncooked chicken bones for cats. For dogs, there are a range of chews you can get them, or you can simply give them a chew toy to destroy (Or convince both dog and cat that they like you cleaning their teeth).

  • uncooked chicken necks are another suggestion for cats (they sell them around here for crabbing, maybe check with a butcher otherwise). My cats just thought it was a playtoy and batted it around the kitchen (ewww). – Zaralynda Nov 1 '13 at 15:21

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