The color of<unk> s ranges from red to pink, and is frequently ulcerated. It can be sessile or pedunculated with the size usually being less than 2 cm. Weeks or months may pass by before it is seen and diagnosed. There is a gender difference with 66% of the disease occurring in females. The prevalence of<unk> s is highest around 10 – 19 years of age. It appears only on the gingiva, more often on the maxilla rather than the mandible, and is frequently found in the area around incisors and canines. The adjacent teeth are usually not affected.<unk> s appear microscopically as a combination of a mineralized product and fibrous proliferation. The mineralized portion may be bone, cementum-like, or dystrophic calcifications. Additionally, highly developed bone or cementum is more likely to be present when the<unk>  has existed for a longer period of time.
Peripheral ossifying fibroma
Juvenile active ossifying fibroma
Superficial acral fibromyxoma
Solitary fibrous tumor
Aggressive fibromatosis
Myxoid cyst
Acral fibrokeratoma
Malignant chondroid syringoma