Schatzie and Ransom use a paste we found at Petsmart. (Unable to remember the name/brand) We have two brushes. One with two different size heads and the other slips onto my finger.
I personally like the small head on the one.
From what I heard the toothpaste tastes good. My husband in error used it once. And I repeat, only once. LMAO!!

He now pays closer attention to what tube he grabs.