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| Pre-treatment | Post-treatment | P Value | |||||||
| 2 | 3 | 0 | 1 | ||||||
| No. | % | No. | % | No. | % | No. | % | ||
| Photodynamic therapy in oral lichen planus | 3 | 42.9% | 7 | 53.8% | 8 | 50.0% | 2 | 50.0% | 0.004 |
| Medication group in oral lichen planus | 4 | 57.1% | 6 | 46.2% | 8 | 50.0% | 2 | 50.0% | 0.004 |
