Which of the following oral pathologies dissipates when the tissue is stretched?

Leukoedema appears as a grayish-white, opalescent lesion on the buccal mucosa, typically seen in darker-skinned individuals. It is harmless and disappears when the tissue is stretched. Fordyce granules are sebaceous glands and do not dissipate when stretched. Geographic tongue presents as irregular patches on the tongue and does not change with stretching. Linea alba is a keratinized line on the buccal mucosa caused by friction and remains visible when stretched.