Greenies 96 Count 144-Ounce Dental Chews, Large (4 X 24 Count) 4 x 36oz Tubs 96 Dental Treats For dogs 50 and over 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.