Just as an observation for all of the dog lovers, they do sell doggie toothpaste. I wish we used this on our Chocolate Lab over the years, but we didn't know about it, and his teeth are now horrible as he nears 15, and his gums and teeth give him a ton of grief.
On the other hand, I've been brushing the teeth of our rescue for the past 3-4 years (she'll be 10 this year) and her teeth continue to be bright white, and her breath is always wonderful. We suspect that regular dental care for a dog can greatly enhance their lives in the later years.
This is the brand we use:
clicky