80% of dogs over the age of 3 have gum disease but 90% of owners think their dogs' teeth and gums are perfect!. Unlike human who suffers from caries (cavities and tooth decay), Periodontal disease is the main oral disease affecting dogs and it is caused by plaque bacteria and the immune system's reaction to plaque. Pedigree® DentaStix® comes with unique X-Shape. With abrasive & chewy texture and active ingredients like Zinc Sulphate & STPP, Pedigree® DentaStix® helps reduce plaque and tartar build up to keep your dogs' teeth and gum healthy so they can be happy everyday.