The OSI decreased slightly after therapy (mean from 18.51 to 16.24); however, these changes did not reach statistical significance ( p > 0.05) ( Table 2 , Figure 3 ). 3.3.
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Effects of Photodynamic Therapy and Glucocorticosteroids on Salivary Oxidative Stress in Oral Lichen Planus: A Randomized Clinical Trial.
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Immediately after therapy, TAC was significantly higher in the PDT group, and after six months it showed a trend toward higher values compared to the GKS group.