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Photographs and photoradiographs obtained after the withdrawal of methotrexate (MTX). (A) Photographs of the upper-left maxilla at 0 days (a), 2 weeks (b), 4 months (c), and 7 months (d). All of the photographs show mirror reflections. (B) CT images obtained after the withdrawal of MTX for 4 months (a, b) and 7 months (c, d).
