2010
DOI: 10.1016/j.joen.2010.08.013
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Heat Release, Time Required, and Cleaning Ability of Mtwo R and ProTaper Universal Retreatment Systems in the Removal of Filling Material

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Cited by 97 publications
(110 citation statements)
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References 34 publications
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“…Our results demonstrate that the apical third had the highest amount of residual endodontic material when compared to the other thirds; the difference was statistically significant, thus corroborating the results by Kaled et al 8 in 2011, Somma et al 16 in 2008, and Reddy et al 26 in 2011, who reported more debris at the apical root third regardless of the 27 in 2010 that found that the best cleaning was accomplished at the cervical third followed by the middle and apical thirds. They attributed this result to the dental anatomy of this site.…”
Section: Discussionsupporting
confidence: 90%
“…Our results demonstrate that the apical third had the highest amount of residual endodontic material when compared to the other thirds; the difference was statistically significant, thus corroborating the results by Kaled et al 8 in 2011, Somma et al 16 in 2008, and Reddy et al 26 in 2011, who reported more debris at the apical root third regardless of the 27 in 2010 that found that the best cleaning was accomplished at the cervical third followed by the middle and apical thirds. They attributed this result to the dental anatomy of this site.…”
Section: Discussionsupporting
confidence: 90%
“…Instrumentation up to the WL using larger instruments than those used during initial treatment is required to achieve enhanced cleansing (29).…”
Section: Discussionmentioning
confidence: 99%
“…radiculares para evitar fracturas de la lima, y porque se eligió lima K #30 debido a proporciona un buen acceso al canal y una rigidez adecuada para penetrar el material de obturación radicular (Bramante et al, 2010) Como se sugiere en estudios previos (Schirrmeister et al, 2006a(Schirrmeister et al, , 2006bSiotia et al, 2011), es necesario reinstrumentar el tercio apical del canal con instrumentos de mayor calibre para permitir la completa remoción del relleno radicular y lograr la completa desinfección. En el presente estudio, esta acción no se realizó pues el objetivo del trabajo era determinar la capacidad de desobturar de cada instrumento por sí solo, lo que puede explicar en parte, la presencia de remanentes de material de obturación en todas las muestras Al evaluar el tiempo total utilizado en la desobturación de los canales radiculares hasta que no se observara limalla de gutapercha en los instrumentos, los resultados obtenidos fueron significativos para Protaper Universal y para Protaper Retratamiento en comparación con limas K #30, esto ocurre probablemente debido a la plastificación de la gutapercha durante la rotación del instrumento mecanizado dentro del canal, que se hace menos resistente y más fácil de ser penetrada y removida.…”
Section: Discussionunclassified