Introduction: A case of spontaneous bone regeneration after mandible resection is reported.Case Report: A 6-year-old boy suffered from ameloblastoma in his right mandible. Six months after haemimandibulectomy, a bone regeneration forming a new form of mandible is seen. Histopathology: Lamellar mature bone was observed. Resection of the large portion of the mandible as the choice of treatment as the tumor was grown extensively. Spontaneous bone regeneration after a mandible resection. Conclusion: Unexpected spontaneous bone regeneration may be explained by the fact that periosteum, as the source of osteogenic cells, might be responsible for this process.
Ameloblastoma is a true neoplasm of enamel organ type tissue which does not undergo differentiation to the point of enamel organ. This type of tumour occurs mostly in the mandible and grows slowly with variable clinical and histological characteristics, but it is histologically benign.
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