How Gum Disease Starts: Whenever your pup eats, plaque is formed from bits of food and bacteria that collect around the gum line. If this plaque isnât removed, in just a few days, it will harden into tartar that sticks to your dogâs teeth.Tartar irritates the gums, resulting in inflammation, also known as âgingivitisâ.henever your pup eats, plaque is formed from bits of food and bacteria that collect around the gum line. If this plaque isnât removed, in just a few days, it will harden into tartar that sticks to your dogâs teeth.
Heterochromia iridis is a condition characterized by abnormalities of the iris (the colored part of the eye). In people affected by complete heterochromia, the iris of one eye is a different color than the iris of the other eye.
Vitiligo is pigment loss due to the bodyâs immune system attacking pigment cells (melanocytes). Other associated immune system diseases include diabetes, pernicious anemia, thyroid disease, and Addisonâs disease. Vitiligo causes smooth, white skin patches, usually around the mouth and eyes, or on the back of the hands.lbinism. Albinism, an inherited disorder, is caused by the absence of the pigment melanin and results in no pigmentation in skin, hair, or eyes. Albinos have an abnormal gene, which restricts melanin production.