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Avances en Odontoestomatología

versão On-line ISSN 2340-3152versão impressa ISSN 0213-1285


DURAN MONTERO, F; HIDALGO RIVAS, A; MEDINA GARCIA, B  e  ZAPATA FUENTE-ALBA, K. Simple bone cyst of spontaneous resolution: case report and literature review. Av Odontoestomatol [online]. 2023, vol.39, n.6, pp.251-259.  Epub 18-Mar-2024. ISSN 2340-3152.


Simple bone cyst (SBC) is an intraosseous pseudocyst, of unknown etiology, which represents 1% of maxillary cysts. Radiographically, a radiolucent image with well-defined, irregular or scalloped edges is observed. Treatment consists of surgical exploration and curettage of bone walls. Spontaneous resolution has rarely been described. The purpose of this paper is to present a case of spontaneous resolution of SBC and perform a literature review.

Case Report:

A 12-year-old woman attends to a routine dental evaluation. Panoramic radiography shows a radiolucent image between roots of teeth 4.4 and 4.5, of well-defined corticated borders. It was complemented with cone-beam computed tomography examination, where thinning of cortical bone was observed. A presumptive diagnosis of SBC was performed. Controls at 3 and 3,5 years were performed and bone of slightly higher density than the surrounding bone was observed.

Materials and methods:

A literature review on SBC of spontaneous resolution was performed in PubMed, Scopus and Web of Science, relating the free terms “simple bone cyst” “spontaneous resolution” “jaws” and their variants.


13 cases of spontaneous resolution of SBC were found. The clinical and radiographic characteristics of the cases coincide with the literature. 54% of cases had spontaneous resolution in a period of 5 years or less.


In the case presented, radiographic follow-up of the patient was performed, demonstrating that following-up can be considered as treatment, since the lesion could resolve spontaneously.

Palavras-chave : Simple bone cyst; traumatic bone cyst; solitary bone cyst; idiopathic bone cavity; spontaneous resolution; case reports.

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