Take a Good Look Check your pet's teeth at least weekly. They
should be white, shiny, sharp, and pointy. Yellow or brown teeth
may indicate plaque or tartar buildup. RELATED: 6 Painless Teeth
Cleaning Tips Purple on a tooth may be pulpitis, an inflammation
of the tooth's center caused by a blow to the mouth or chewing
too hard. Gums should be light pink and smooth along the tooth
edge. If they're red, swollen, or bleeding, she may have
gingivitis, an early stage of periodontal disease.