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Type: Artigo de periódico
Title: Prevalence Of Treponema Spp. In Endodontic Retreatment-resistant Periapical Lesions.
Author: Rosa, Tiago Pereira
Signoretti, Fernanda Graziela Corrêa
Montagner, Francisco
Gomes, Brenda Paula Figueiredo de Almeida
Jacinto, Rogério Castilho
Abstract: This study investigated the presence of the Treponema species in longstanding endodontic retreatment-resistant lesions of teeth with apical periodontitis, the association of this species with clinical/radiographic features, and the association among the different target species. Microbial samples of apical lesions were collected from twenty-five adult patients referred to endodontic surgery after unsuccessful root canal retreatment. Nested-PCR and conventional PCR were used for Treponema detection. Twenty-three periradicular tissue samples showed detectable levels of bacterial DNA. Treponema species were detected in 28% (7/25) of the cases. The most frequently detected species were T. socranskii (6/25), followed by T. maltophilum (3/25), T. amylovorum (3/25), T. lecithinolyticum (3/25), T. denticola (3/25), T. pectinovorum (2/25) and T. medium (2/25). T. vicentii was not detected in any sample. Positive statistical association was found between T. socranskii and T. denticola, and between T. maltophilum and T. lecithinolyticum . No association was detected between the presence of any target microorganism and the clinical or radiographic features. Treponema spp. are present, in a low percentage, in longstanding apical lesions from teeth with endodontic retreatment failure.
Citation: Brazilian Oral Research. v. 29, n. 1, 2015.
Rights: aberto
Identifier DOI: 10.1590/1807-3107BOR-2015.vol29.0031
Date Issue: 2015
Appears in Collections:Unicamp - Artigos e Outros Documentos

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