Why Are a Cat’s Teeth Yellow?

Yellow cat teeth usually relate to diet, water quality, age, genetics, environment and disease. With age, teeth naturally age, developing cracks, wear and thinning enamel that causes yellowing or even loss.

Also, genetics can cause heavier pigment deposits and darker teeth in some cats. In addition, gum disease, cavities or periodontitis can loosen and discolor teeth, turning them black or yellow.