There are MANY different products out there designed to "help" care for our pets teeth that it can be overwhelming to figure out what is the best choice. Below is a link for a site that contains products endorsed by the Veterinary Oral Health Council.
Caring for our pets teeth can help with bacteria, gum disease, systemic health and decrease the need for professional oral health care
Remember - starting slowly and early helps a lot
Brushing Your Dog's Teeth
Never use human toothpaste for your dog or cat