What is the general term for white lesions in the oral cavity that cannot be wiped off?

The general term for white lesions in the oral cavity that cannot be wiped off is leukoplakia. This term specifically refers to a white patch that develops on the mucous membranes of the mouth, typically as a result of chronic irritation or inflammation. The key characteristic of leukoplakia is that these lesions are non-removable, which sets them apart from other types of oral lesions that may be surface-level or related to trauma and can be wiped away.

Leukoplakia can be an indication of various conditions, including precancerous changes, and its presence warrants further investigation to rule out more serious conditions. This is why the identification of leukoplakia is significant in dental and medical practice.

In contrast, stomatitis refers to inflammation of the oral mucosa and can involve lesions that may not be distinctly white or easily removable, while canker sores (aphthous ulcers) are painful and typically present as shallow ulcers rather than white patches that cannot be wiped off. Oral lichen planus, though it can present with white lesions, often has a different clinical presentation and may have a lace-like appearance. Thus, leukoplakia is the most precise term for white lesions that are persistent and cannot be removed.