Fig. 1. Clinical features of the first case during the initial visit. Bullous lesions were observed in the oral cavity and oral commissures. Hyperkeratosis was also observed on the dorsal surface of the tongue. (A) Soft and hard palate. (B) Right posterior buccal mucosa. (C) Left posterior buccal mucosa. (D) Oral commissures. (E) Dorsal surface of the tongue.

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

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