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Prevalence of Treponemaspp. in endodontic retreatment-resistant periapical lesions
ROSA, Tiago Pereira; SIGNORETTI, Fernanda Graziela Corrêa; MONTAGNER, Francisco; GOMES, Brenda Paula Figueiredo de Almeida; JACINTO, Rogério Castilho.
  • ROSA, Tiago Pereira; Universidade Estadual de Campinas. Piracicaba Dental School. Department of Restorative Dentistry. Piracicaba. BR
  • SIGNORETTI, Fernanda Graziela Corrêa; Universidade Estadual de Campinas. Piracicaba Dental School. Department of Restorative Dentistry. Piracicaba. BR
  • MONTAGNER, Francisco; Universidade Estadual de Campinas. Piracicaba Dental School. Department of Restorative Dentistry. Piracicaba. BR
  • GOMES, Brenda Paula Figueiredo de Almeida; Universidade Estadual de Campinas. Piracicaba Dental School. Department of Restorative Dentistry. Piracicaba. BR
  • JACINTO, Rogério Castilho; Universidade Estadual de Campinas. Piracicaba Dental School. Department of Restorative Dentistry. Piracicaba. BR
Braz. oral res. (Online) ; 29(1): 1-1, 2015. tab
Article in English | LILACS | ID: lil-777182
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. 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.
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Full text: Available Index: LILACS (Americas) Main subject: Periapical Periodontitis / Periapical Tissue / Treponema / Treponemal Infections Type of study: Prevalence study / Risk factors Limits: Adolescent / Adult / Aged / Female / Humans / Male Language: English Journal: Braz. oral res. (Online) Journal subject: Dentistry Year: 2015 Type: Article / Project document Affiliation country: Brazil Institution/Affiliation country: Universidade Estadual de Campinas/BR

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Full text: Available Index: LILACS (Americas) Main subject: Periapical Periodontitis / Periapical Tissue / Treponema / Treponemal Infections Type of study: Prevalence study / Risk factors Limits: Adolescent / Adult / Aged / Female / Humans / Male Language: English Journal: Braz. oral res. (Online) Journal subject: Dentistry Year: 2015 Type: Article / Project document Affiliation country: Brazil Institution/Affiliation country: Universidade Estadual de Campinas/BR