“…In addition, JL represent a wide spectrum of diseases/alterations, and epidemiological studies simultaneously evaluating all of these lesions are uncommon. In general, the data are presented according to the following groups: odontogenic cysts and tumors 3,8,9,10 , fibro-osseous lesions 11,12,13 , malignant tumors 14,15,16,17 , and osteonecrosis 18 . The present study was prospectively designed with the purpose of determining the prevalence of these types of lesions.…”