Irritation fibroma is the most common tumor-like and submucosal reactive lesion in the oral cavity that composed of fibrous or connective tissue causing by traumatic irritants such as calculi, foreign bodies, chronic biting, overhanging margin restoration, sharp spicules of bones, and overextended borders of appliances. It is a well-defined lesion, slow in growth, and can occur in any age group but is more prevalent in the third, fourth, and fifth decades with a female predilection. The tumor may be small or may increase to several centimeters in diameter. The tumor may become irritated and inflamed and sometimes may even show ulcers, which is superficial in nature. The lesions are nonsymptomatic, and the patient usually reports for treatment due to the problem and discomfort during mastication. The fibroma appears as a nodular growth mainly on the buccal mucosa along the occlusal plane. Other common sites are the gingiva, palate, lips, and the tongue. The management of this reactive lesion can be done through conservative surgical approach.
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