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Site distribution of oral premalignant and malignant lesions
| Site | OSMF | Leukoplakia | Lichen planus | OSCC | Total, n (%) | P |
|---|---|---|---|---|---|---|
| Buccal mucosa | 84 | 24 | 47 | 53 | 208 (33.01) | Chi-square analysis showed P=0.001 |
| Tongue | 26 | 12 | 10 | 94 | 142 (22.53) | |
| Palate | 42 | 21 | 2 | 21 | 86 (13.65) | |
| Lips | 21 | 12 | 6 | 23 | 62 (9.84) | |
| Gingiva | 2 | 2 | 8 | - | 12 (1.90) | |
| Floor of the mouth | 6 | 36 | - | 52 | 94 (14.92) | |
| Retromolar trigone | 4 | 3 | 7 | 12 | 26 (4.13) | |
| Total | 185 | 110 | 80 | 255 | 630 (100) |
OSCC: Oral squamous cell carcinoma, OSMF: Oral submucous fibrosis
