Comparison of different types of ossifying fibromas, after Zegali et al. (2015) .
|Cemento-ossifying fibromas||Trabecular juvenile ossifying fibromas||Psammomatoid juvenile ossifying fibromas|
|Age||20–40 years||From 15 years||20–30 years|
|Location||Mandible, dental area||Mandible, non-dental areas||Craniofacial bone, paranasal sinus|
|Clinical signs||Slow growth||Slow to very fast growth, facial deformity||Slow growth in periorbital areas|
|Radiology||Well demarcated, radiodensity varies according to the age of the lesion
Dental displacement with minor root resorption
|Well defined, single or multi-celled
Root resorption and dental displacement
|Well defined, radiolucent
Obturation of the nasal and sinus cavities
|Histology||Variable, encapsulated||Well demarcated, non-encapsulated, osteoid trabeculae||Well demarcated, non-encapsulated, psammomatoid appearance|
|Recurrence||Rare||Frequent (30%–50%)||Frequent (30%–56%)|
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