"[[Cementifying fibroma]]" is a [[benign tumor]] of [[fibroblast]]s containing [[mass]]es of cementum-like [[calcification]], usually occurring between the third and fourth decades. Cementifying-ossifying fibromas are rare non-odontogenic, fibro-osseous tumors of the periodontal ligament that arise from the mesodermal germ layer 3. Venkataramana et al. reported a 12-year-old male child, who presented with a swelling in the left [[temporal region]] near the angle of the left [[eye]]. These non-neoplastic, locally destructive tumors present as an osseous lesion involving the [[mandible]], [[maxilla]], [[zygoma]], [[paranasal sinus]]es, [[orbit]], and rarely the petromastoid regions. The preoperative diagnosis was not clear even with CT and MRI, and, hence, all [[fibro-osseous lesion]]s were considered as [[differential diagnosis]]. The lesion was surgically resected completely, and the histology confirmed it as a cementifying fibroma. According to the [[WHO]] classification, this is a variant of cementifying fibromas, which represent a subgroup of [[cementoma]]s, that is, [[fibro-osseous lesion]]s containing cementum. Histologically, these are fibrous tissues with calcified structures resembling bone and cementum. [[Cranioplasty]] was done simultaneously, with successful clinical results ((Venkataramana NK, Rao SAV, Kirshna Chaitanya N. Cementifying [[Fibroma]] of the [[Sphenoid Wing]] in a [[Child]]: A Case Report. J Pediatr Neurosci. 2021 Jan-Mar;16(1):49-54. doi: 10.4103/jpn.JPN_162_11. Epub 2021 Jun 25. PMID: 34316308; PMCID: PMC8276958.))