Dental care for your pet may be more important than you think. The accumulation of bacteria laden plaque above the gumline can lead to long term oral health issues. Recent studies have demonstrated there is an association between oral health issues and systemic general health issues affecting the kidney, heart and metabolic systems.Hill's nutritionists & veterinarians developed Prescription Diet t/d clinical nutrition especially formulated to support your cat's dental health. In fact, t/d is clinically proven nutrition to reduce plaque, stain, & tartar buildup.