Histopathological study of furcation lesions on primary molars,Estudo Histopatológico de Lesões da Furca de Molares Decíduos

Camargo, L.B., Camhaji, F., Chelotti, A., Barbosa, J. and Raggio, D.P. ORCID: https://orcid.org/0000-0002-0048-2068 2009. Histopathological study of furcation lesions on primary molars,Estudo Histopatológico de Lesões da Furca de Molares Decíduos. Pesquisa Brasileira em Odontopediatria e Clinica Integrada 9 (2) , pp. 199-203.

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Abstract

Objective: To evaluate histopathologically the tissues present in resorption areas on the furcation region of primary teeth with pathological pulpal processes and radiolucent radiographic images suggestive of an interadicular lesion. Method: This study used 20 primary molars with clinical signs of caries, such as coronal destruction or an extensive restoration associated with a radiolucent radiographic image on the furcation region, suggestive of a chronic periapical or interadicular lesion. The teeth extracted under local anesthesia were immediately fixed in a 10% formalin solution for 24 hours, and then decalcified in a 5% formic acid solution and kept under continuous agitation for approximately 15 days, until complete decalcification, which was periodically checked radiographically. The decalcified fragments were then processed for inclusion in paraffin and semi-serially cut in 5-μm-thick slices. After preparation of slides, the cuts were stained with hematoxylin and eosin for histopathologic analysis. For the microscopic analysis were used 40X and 100X magnifications. The findings were documented on photomicrographs. Results: The cell elements found in the furcation region characterized an unspecific chronic inflammatory process in most cases. As much as 45% of the samples presented proliferating odontogenic epithelium stimulated by the local inflammatory process, forming anastomosed chords and showing a cystic potential for lesions associated with pulpal pathologic processes. Conclusion: In the lesions located in the furcation regions of primary molars, there were cell elements related to an unspecific chronic inflammatory process and the presence of odontogenic epithelial rests either latent or proliferating was frequent.

Item Type:	Article
Status:	Published
Schools:	Dentistry
Last Modified:	10 Nov 2022 10:56
URI:	https://orca.cardiff.ac.uk/id/eprint/148769

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