Cinnamon stomatitis is an allergic reaction to cinnamon oil (cinnamon aldehyde). Lesions associated with chronic exposure most often present as:

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Quizplus · Accepted Answer

Cinnamon stomatitis, caused by an allergic reaction to cinnamon oil, often presents as thick, white, painful plaques in the mouth. This condition is a type of contact stomatitis, where the mucosal reaction is directly related to the contact with the allergen, in this case, cinnamon or cinnamon aldehyde.

Cinnamon Stomatitis Is an Allergic Reaction to Cinnamon Oil (Cinnamon