Hartz Dentist's Best Beef Flavored Rawhide Dental Dog Treat Chews Hartz Dentist's Best with DentaShield rawhide is scientifically proven to reduce tartar up to 83%. Carpet safe rawhide chew is coated with beef flavor that dogs love. Provides complete oral care and freshens breath. Satisfies the natural desire to chew, and gently massages your dog's gums while helping to minimize plaque and tartar.