A routine teeth cleaning for a dog can cost between $170 and $350, while an ultrasonic cleaning with other procedures under anesthesia can cost up to $4,000.

'Shark teeth', officially known as persistent deciduous teeth (PDT), is a disorder where there's two sets of gnashers coming out of a row of gums. This dog's retained baby fangs are circled in red.

5. Regularly Examine Your Dog's Teeth. You can't be expected to diagnose gum disease or other serious oral issues in your dog's mouth, but there are things to look for between annual cleanings by ...