Greenies 520 Count -144 Ounce Dental Chews, Teenie (4 X 130 Count) 4 x 36oz Tubs 520 Dental Treats For dogs 5-15lbs Helps clean your dog's teeth by using their natural chewing action to wipe away plaque and tartar buildup from the surface of teeth The 1 vet-recommended dental chew Among veterinarians that recommend dental chews for at-home oral care.