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Evaluation of apical debris extrusion and patency file in continuous and reciprocating rotary endodontic systems / Evaluación de la extrusión de residuos apicales y permeabilidad apical en sistemas endodónticos rotativos continuos y recíprocos
Bordagaray, Tomas; Steinfort, Karin; Pendola, Martin; Monardes, Hector; Abarca, Jaime.
  • Bordagaray, Tomas; San Sebastian University. Faculty of Dentistry. Endodontics Graduate Program. Santiago. CL
  • Steinfort, Karin; San Sebastian University. Faculty of Dentistry. Endodontics Graduate Program. Santiago. CL
  • Pendola, Martin; NYU Langone Health. Department of Orthopedic Surgery. New York. US
  • Monardes, Hector; San Sebastian University. Faculty of Dentistry. Endodontics Graduate Program. Santiago. CL
  • Abarca, Jaime; San Sebastian University. Faculty of Dentistry. Endodontics Graduate Program. Santiago. CL
J. oral res. (Impresa) ; 8(4): 325-330, nov. 5, 2019. graf
Article in English | LILACS | ID: biblio-1145355
ABSTRACT
The aim of the study was to quantify and compare apical debris extrusion in two systems of continuous and reciprocating rotary instrumentation with, and without, the use of a patency file. An experimental study was carried out in 120 mesial roots of lower first molars, which were randomized in the following 4 groups Group A. Reciproc (VDW) R25 without a patency file, Group B Mtwo (VDW) without a patency file, Group C Reciproc (VDW) R25 with a patency file and Group D Mtwo with a patency file. Groups A, B and C presented statistically significant differences in comparison to group D, Mtwo with the use of a patency file (p<0.008 to 95% reliability). In conclusion, the greater amount of debris extruded through the apex occurred in roots instrumented with the reciprocating rotary system; this difference was statistically significant in relation to teeth treated with the Mtwo continuous rotary system with the use of a patency file.
RESUMEN
El objetivo del estudio fue cuantificar y comparar la extrusión de residuos apicales en dos sistemas de instrumentación endodónticos rotativos, continuo y recíproco, con y sin el uso de una lima de pasaje apical. Se realizó un estudio experimental en 120 raíces mesiales de primeros molares inferiores, que se aleatorizaron en los siguientes 4 grupos Grupo A. Reciproc (VDW) R25 sin lima de pasaje apical, Grupo B Mtwo (VDW) sin lima de pasaje apical, Grupo C Reciproc (VDW) R25 con lima de pasaje apical y Grupo D Mtwo con lima de pasaje apical. Los grupos A, B y C presentaron diferencias estadísticamente significativas encomparación con el grupo D, Mtwo con el uso de una lima de pasaje apical (p<0.008 a 95% de confiabilidad). En conclusión, la mayor cantidad de residuos extruidos a través del ápice ocurrió en raíces preparadas con el sistema rotativo recíproco; Esta diferencia fue estadísticamente significativa en relación a los dientes tratados con el sistema rotativo continuo Mtwo con el uso de una lima de pasaje apical.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Root Canal Preparation Type of study: Controlled clinical trial Limits: Humans Language: English Journal: J. oral res. (Impresa) Journal subject: Dentistry Year: 2019 Type: Article Affiliation country: Chile / United States Institution/Affiliation country: NYU Langone Health/US / San Sebastian University/CL

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Full text: Available Index: LILACS (Americas) Main subject: Root Canal Preparation Type of study: Controlled clinical trial Limits: Humans Language: English Journal: J. oral res. (Impresa) Journal subject: Dentistry Year: 2019 Type: Article Affiliation country: Chile / United States Institution/Affiliation country: NYU Langone Health/US / San Sebastian University/CL