Group II included 15 patients with oral leukoplakia (group II A) with the mean ± SD CRP level of 3.35±2.41 mg/l, 10 patients with OLP (group II B) with the mean ± SD CRP level of 10.52±16.19 mg/l, and 5 patients with OSMF (group II C) with the mean ± SD CRP level of 2.44±1.93 mg/l (Table 4). This evidence concerns the gene CRP and Oral leukoplakia.