May Be Caused by

 Common

Dentigerous cyst

Focal osteoporotic marrow defects

Gorlin syndrome

Langerhans cell histiocytosis

Metastases

Multiple myeloma

Periapical granulomas

Postextraction tooth sockets

Primordial cyst

Radicular cyst

 Uncommon

Ameloblastoma

Brown tumor of hyperparathyroidism

Burkitt lymphoma

Cementoosseous dysplasia

Cherubism

Fibrous dysplasia

Gaucher disease

Giant cell granulomas

Hemangiomatosis

Leukemia

Lymphoma

Marfan syndrome

Mucopolysaccharidosis

Neurofibromatosis

Niemann-Pick disease

Nodular cemental masses

Noonan syndrome

Oxalosis

Papillon-Lefèvre syndrome

Periapical cementoosseous dysplasia

Squamous odontogenic tumor

Traumatic bone cyst