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Figure 1: Clinical photographs of patient with homogenous leukoplakia before and after aminolevulinic acid (ALA)-photodynamic therapy (PDT). (a) Homogenous leukoplakia lesion on buccal aspect of right maxillary gingiva before ALA-PDT. (b) Same region 4 weeks after completion of ALA-PDT showing no remaining signs of the lesion

Figure 1: Clinical photographs of patient with homogenous leukoplakia before and after aminolevulinic acid (ALA)-photodynamic therapy (PDT). (a) Homogenous leukoplakia lesion on buccal aspect of right maxillary gingiva before ALA-PDT. (b) Same region 4 weeks after completion of ALA-PDT showing no remaining signs of the lesion