<\/span><\/h2>\n\n\n\nInvolves the maxilla<\/span><\/strong> almost twice often as the mandible<\/p>\n\n\n\nMost commonly posterior region<\/span><\/strong><\/p>\n\n\n\nCommonly unilateral<\/span><\/strong> and very rarely bilateral<\/p>\n\n\n\n<\/span>2. Periphery<\/span><\/h2>\n\n\n\nPeriphery of the lesion is most commonly ill-defined and blends imperceptibly with the normal bone<\/span><\/strong><\/p>\n\n\n\nThe periphery of the young lesions sometimes appears to be sharp and even corticated.<\/p>\n\n\n\n