4. Leukoplakia Leukoplakia is a condition in which white or gray patches develop on the gums, below the tongue and mouth, and inside the cheeks. These patches may harden or thicken over time and ...

White gums aren't the only symptom of anemia, however, as this condition can also cause: Leukoplakia causes white and gray patches on the gums, tongue, or insides of the cheeks. This condition ...

But kids and young adults can also get it. Both oral lichen planus and leukoplakia affect the tissue lining of your mouth (mucosa), and their symptoms appear on your gums, inside your cheeks ...