Fig. 2. Clinical features of the second case. Hyperkeratosis was observed on the dorsal surface of the tongue during the initial visit. Multiple blisters and bullae were observed to recur periodically in the intraoral region. (A) Dorsal surface of tongue. (B) Right lower buccal gingiva. (C) Lower anterior lingual gingiva. (D) Left lower buccal vestibule.

J Oral Med Pain 2023;48:118-22 https://doi.org/10.14476/jomp.2023.48.3.118

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