The most important thing to remember about brushing your dog's teeth is don't use human toothpaste on your dog. ... Many human toothpastes contain Xylitol, an artificial sweetener that is toxic to dogs. Xylitol can cause blood sugar drops in dogs, as well as potential liver damage.

What happens if a dog eats toothpaste?

If your dog consumes toothpaste, you may see the following symptoms: Vomiting. Lethargy lack of muscle control and coordination (ataxia) Weakness.

How much toothpaste is toxic to dogs?

50 milligrams per pound of the dog's body weight is enough to cause hypoglycemia and liver failure in a dog.