CLINICA CLAROS / SCIENCE PHOTO LIBRARY CLINICA CLAROS / SCIENCE PHOTO LIBRARY
Leukoplakia of the mouth. Close-up of the mouth of a patient showing areas of leukoplakia (white). Leukoplakia is a thickening of tissue in the mucous membrane triggered by tobacco, trauma, thrush, dental problems and vitamin deficiencies. It is a premalignant tissue - a tissue in which cancer is more likely to occur.
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