Inflammatory papillary hyperplasia (IPH) is a benign lesion of the palatal mucosa, usually found in denture wearers. This case history report describes an example of the dentate patients with no history of wearing maxillary prostheses and highlights the importance of professional awareness to diagnose IPH among non-denture-wearing patients.

White sponge nevus (WSN) /Canon’s disease is a rare, autosomal dominant mucosal disorder. WSN falls in the category of Oral Genodermatosis which can be easily diagnosed based on the history and clinical examination. Here we report the first two cases of WSN in a young girl and her mother.