Quiz: Lesions in the mouth

This 33-year-old man of Indian background had been aware of a burning sensation from the insides of his right and left cheeks whenever he ate spicy food during the past six months.

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Dr Aldred is an oral pathology specialist and an oral medicine specialist in private practice and at the Royal Dental Hospital of Melbourne.

He is president of the International Association of Oral and Maxillofacial Pathologists.