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Can kinematics, file diameter, and PUI influence the intracanal decontamination and apical bacterial extrusion?
Cuellar, Maricel Rosario Cardenas; Velásquez-Espedilla, Evelyn Giuliana; Pedrinha, Victor Feliz; Vivan, Rodrigo Ricci; Duarte, Marco Antonio Hungaro; Andrade, Flaviana Bombarda de.
Afiliação
  • Cuellar MRC; Universidade de São Paulo - USP, Bauru School of Dentistry, Department of Operative Dentistry, Endodontics and Dental Materials, Bauru, SP, Brazil.
  • Velásquez-Espedilla EG; Universidade de São Paulo - USP, Bauru School of Dentistry, Department of Operative Dentistry, Endodontics and Dental Materials, Bauru, SP, Brazil.
  • Pedrinha VF; Universidade de São Paulo - USP, Bauru School of Dentistry, Department of Operative Dentistry, Endodontics and Dental Materials, Bauru, SP, Brazil.
  • Vivan RR; Universidade de São Paulo - USP, Bauru School of Dentistry, Department of Operative Dentistry, Endodontics and Dental Materials, Bauru, SP, Brazil.
  • Duarte MAH; Universidade de São Paulo - USP, Bauru School of Dentistry, Department of Operative Dentistry, Endodontics and Dental Materials, Bauru, SP, Brazil.
  • Andrade FB; Universidade de São Paulo - USP, Bauru School of Dentistry, Department of Operative Dentistry, Endodontics and Dental Materials, Bauru, SP, Brazil.
Braz Oral Res ; 35: e003, 2020.
Article em En | MEDLINE | ID: mdl-33206776
The present study investigated the intracanal decontamination and apical extrusion of bacteria and debris from root canals instrumented with rotary and reciprocating systems (ProDesign Logic or ProDesign R), with different file diameters and using conventional syringe irrigation (CSI) or passive ultrasonic irrigation (PUI). Eighty extracted mandibular premolars were contaminated with Enterococcus faecalis and randomly assigned to eight experimental groups according to the root canal instrumentation and irrigation technique employed (n = 10): G1: Prodesign Logic 25.06; G2: Prodesign R 25.06; G3 and G4 were instrumented with the same single-file systems, respectively, using 35.05 diameters and CSI. G5, G6, G7, and G8 were instrumented like the previous groups, but with PUI. Apically extruded debris during instrumentation was collected into pre-weighed microtubes. The weight of the empty microtube was subtracted from the final weight to establish the amount of extruded debris. Bacteria from root canals and extruded debris were collected for a microbiological evaluation of colony forming units (CFU/mL). For statistical analyses, the Mann-Whitney and Kruskal-Wallis followed by the Dunn's tests were used (α = 0.05). All instruments caused extrusion of debris. For irrigation techniques, PUI promoted greater debris and bacterial extrusion (p < 0.05). The CFU/mL count indicated that the instrumentation of the experimental groups were equally effective in the decontamination of the root canal (p > 0.05). The systems tested (regarding file diameter and kinematics) were associated with similar amounts of apically extruded debris and root canal decontamination. PUI was associated with greater debris and bacterial extrusion.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Preparo de Canal Radicular / Ápice Dentário Tipo de estudo: Clinical_trials Limite: Humans Idioma: En Revista: Braz Oral Res Assunto da revista: ODONTOLOGIA Ano de publicação: 2020 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Preparo de Canal Radicular / Ápice Dentário Tipo de estudo: Clinical_trials Limite: Humans Idioma: En Revista: Braz Oral Res Assunto da revista: ODONTOLOGIA Ano de publicação: 2020 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil