Not functional for small dogs
The short side is just too short and the bristles too long to be impactful and the large side is just a regular toothbrush for adult people.<br /><br />If you have a 30 pound or under dog... You would be better served going to the baby section and getting a "babies first toothbrush" if you have medium/small/tiny dog.  Or go to the dental hygiene aisle and find the youngest toothbrush there. The bristles are short and soft and are designed to fit in a small mouth. This might work in the future for large dogs, but right now i have small doggos and it's useless.
Rating: 2 stars