Oral Lesions Induced by Chronic Khat Use Consist Essentially of Thickened Hyperkeratinized Epithelium

Figure 2

Clinical photographs of the buccal mucosa of some of the study participants. (a) Nonchewer (control), (b) a chronic khat chewer, and (c) a chronic khat chewer who was also a heavy smoker.

(a)

(b)

(c)