Greenies 144 Count 144-Ounce Dental Chews, Regular (4 X 36 Count) 4 x 36oz Tubs 144 Dental Treats For Dogs 25-50 lbs 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.