Tooth Paste Induced Oral Burns.

Desensitizing tooth pastes have been used for treatment of hypersensitivity for decades. Along with its benefits, it can cause some adverse effects. A 60 years old man experienced oral ulceration as a consequence of application of potassium nitrate paste overnight at lower buccal and lingual area of anterior teeth. Diagnosis was made on the basis of definitive history. Oral lesions healed well within ten days following the use of local and systemic anal and antibiotics.