Prevalence of Treponemaspp. in endodontic retreatment-resistant periapical lesions
AUTOR(ES)
ROSA, Tiago Pereira, SIGNORETTI, Fernanda Graziela Corrêa, MONTAGNER, Francisco, GOMES, Brenda Paula Figueiredo de Almeida, JACINTO, Rogério Castilho
FONTE
Braz. oral res.
DATA DE PUBLICAÇÃO
27/01/2015
RESUMO
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. socranskiiand T. denticola,and between T. maltophilumand T. lecithinolyticum. No association was detected between the presence of any target microorganism and the clinical or radiographic features. Treponemaspp.are present, in a low percentage, in longstanding apical lesions from teeth with endodontic retreatment failure.
Documentos Relacionados
- Periapical Status and Prevalence of Endodontic Treatment in Institutionalized Elderly
- Endodontic and prosthetic treatment of teeth with periapical lesions in a 16-year-old-girl
- Efficacy of five rotary systems versus manual instrumentation during endodontic retreatment
- Investigations of the prevalence and virulence of Candida albicans in periodontal and endodontic lesions in diabetic and normoglycemic patients
- Influence of Apical Patency and Cleaning of the Apical Foramen on Periapical Extrusion in Retreatment