Sarah wrote: That is just one dog, and we don't know what his tendency might have been towards dental disease.
With Monte we knew he had bad teeth issues, and they've been well documented on PBF. Yet 3 months on raw cleaned up the problems enough for the vet doing his root canal to comment on the health of his gums and teeth. (Yes, I was with him the whole time. I don't leave him alone at the vet's office which is why I know exactly what has and has not been done to his teeth.)
But, it isn't just me: here is a question from Raw Fit Pet survey of Raw Feeders:
What do you do to maintain your pet’s dental health? (click all that apply)
Dental care by vet
Home dental care other than raw meaty bones
Raw meaty bones
Of the 1870 owners surveyed, 1862 owners answered the question
1632 or 88% - reported NO vet dental care required when on a raw diet
230 or 12% - reported vet dental care required at some point in animal’s life, however most indicated that the frequency greatly decreased after switching to a raw diet
Of the 1632 owners stating no vet dental care is needed
1152 – Use raw meaty bones only
115 – Use home dental care only
188 – Do nothing for dental care
177 – Use both raw meaty bones and home dental care
In addition to dogs, humans who follow Ketogenic and grain free diets also experience improved mouth health, so you might want to investigate that research if you really want less anecdotal information. This isn't just a canine issue and has far reaching implications for your health as you age.
Sarah wrote:My dogs don't need dental cleanings because I give them PlaqueOff..."
IMHO if you can't see that your dogs NEED additional products to protect them against something that a good, natural diet can easily provide, I can't really help you.