Designed specifically to help prevent periodontal disease, these Nylabone Dental Chew Bones feature special dental tips that clean teeth, massage gums, reduce plaque, and prevent tartar buildup. Naturally-enhanced flavor freshens dogs breath as they chew. Regular use will keep dogs teeth whiter, brighter, and healthier. Made in the USA by Nylabone, a trusted name in dog chews for over 40 years, these Dental Chews are veterinarian-approved. Nylabone is harder than Gumabone.