May Be Caused by

 Common

Langerhans cell histiocytosis

Periapical abscess

Periodontitis

 Uncommon

Agranulocytosis and cyclic neutropenia

Ameloblastoma

Burkitt lymphoma

Calcifying odontogenic keratocyst

Carcinoma of mouth

Desmoplastic fibroma

Ewing sarcoma

Fibrous dysplasia

Gaucher disease

Giant cell granuloma

Hemangioma

Hemangioma of mandible

Hyperparathyroidism

Hypophosphatasia

Leukemia

Lymphangioma

Lymphangioma of mandible

Lymphoma

Melanotic neuroectodermal tumor of infancy

Mercury poisoning

Metastasis

Multiple myeloma

Neoplasm of mandible

Neuroblastoma

Odontogenic fibroma

Odontogenic myxoma

Osteosarcoma

Papillon-Lefèvre syndrome

Plasmacytoma

Sarcoma

Traumatic bone cyst