The #1 Vet-Recommended Feline Dental Treat*. Oral health issues are the most common health problems diagnosed in adult pets. ***FELINE GREENIES™ Dental Treats offer complete nutrition and help your cat maintain good dental care. They have a unique shape and crunchy texture that's proven to reduce tartar. Plus, with an irresistible taste, they are sure to stir up purrs of joy. Cat dental care has never been easier — or more delicious.