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    Effectiveness of H-files and Pro-Taper universal systems in removing Gutta-percha during endodontic retreatment: A comparative study

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    1-s2.0-S1658361224000301-main.pdf (1.281Mb)
    Date
    2024-04-24
    Author
    Sundus, Atique
    Ali, Kamran
    Haroon, Saad
    Ahmed, Alia
    Javed, Muhammad Q.
    Zafar, Muhammad S.
    Abulhamael, Ayman M.
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    Abstract
    ObjectiveThis research was aimed at assessing the effectiveness of manual H-files versus a combination of a Pro-Taper universal rotary canal preparation system and retreatment system in removing gutta-percha (GP) during endodontic retreatment, by using a digital radiography technique. MethodsThis ex vivo study used a non-probability consecutive sampling technique. The study sample comprised 60 extracted anterior permanent teeth, each with one root with a straight root canal (RC). After preparation, RCs were obturated with GP and sealer. Subsequently, teeth were stored for 2 weeks in a humid environment at 37 °C. Thirty teeth each were randomly assigned to the control (group I), and experimental (group II) groups. GP removal was performed with H-files {group I) or a combination of a Pro-Taper universal rotary canal preparation system and retreatment system (group 2). Digital radiographs were acquired with Carestream digital radiovisiography software (Kodak; version-VER.6.10.8.3-A), and the presence of residual GP was analyzed. AutoCAD (2006) software was used to demarcate the RC and residual root filling. The residual GP in both groups was compared with independent sample t-tests. ResultsThe remaining root filling did not significantly differ when GP was removed with conventional Hedstrom files versus a combination of Pro-Taper Universal preparation and retreatment file systems. The residual GP was confined to the apical third of the canals in both groups. ConclusionsPro-Taper Universal preparation and retreatment file systems have similar effectiveness to manual H-files in GP removal in straight canals.
    URI
    https://www.sciencedirect.com/science/article/pii/S1658361224000301
    DOI/handle
    http://dx.doi.org/10.1016/j.jtumed.2024.04.002
    http://hdl.handle.net/10576/55901
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    • Dental Medicine Research [‎410‎ items ]

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