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A selection of abstracts of clinically relevant papers from other journals. The abstracts on this page have been chosen and edited by JOHN R. RADFORD. ABSTRACT The use of hand files was
associated with more postoperative pain. MAIN Topçuoğlu HS Topçuoğlu G. _Acta Odontol Scand_ 2017;75: 249–254 The investigators suggest that the main cause of pain associated with
non-surgical endodontic retreatment is extrusion of debris during removal of root canal filling material. The principal aim of this study was to explore the degree of postoperative pain when
carrying out non-surgical endodontic retreatment on upper incisor teeth carried out 1) using hand files, 2) PROTAPER® UNIVERSAL RETREATMENT and 3) RECIPROC® one file endo system. The most
severe postoperative pain was experienced by those whose retreatment was carried out by hand files and occurred in about half of the patients. Regardless of method, no pain was reported
after 7 days.The RECIPROC system completed the task in the shortest time (3 minutes _vs._ 7 minutes for use of hand files). RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE
CITE THIS ARTICLE Postoperative pain after the removal of root canal filling material using different techniques in teeth with failed root canal therapy: a randomized clinical trial. _Br
Dent J_ 222, 847 (2017). https://doi.org/10.1038/sj.bdj.2017.495 Download citation * Published: 09 June 2017 * Issue Date: 09 June 2017 * DOI: https://doi.org/10.1038/sj.bdj.2017.495 SHARE
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