Oral Leukoplakia - eMedicine - Medscape Oral leukoplakia (OL) is a white patch or plaque that cannot be rubbed off, cannot be characterized clinically or histologically as any other condition, and is not ...
Leukoplakia - Wikipedia, the free encyclopedia Leukoplakia in the mouth (oral leukoplakia), is defined as "a predominantly white lesion of the oral mucosa that cannot be characterized as any other definable ...