{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T18:47:32Z","timestamp":1780339652863,"version":"3.54.1"},"reference-count":20,"publisher":"Georg Thieme Verlag KG","issue":"04","license":[{"start":{"date-parts":[[2019,9,23]],"date-time":"2019-09-23T00:00:00Z","timestamp":1569196800000},"content-version":"vor","delay-in-days":1453,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Eur J Dent"],"published-print":{"date-parts":[[2015,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>\n          Objective: Aim of the present study was to evaluate the retreatability and reestablishment of apical patency of two calcium silicate-based sealers, TotalFill BC Sealer (BCS) and mineral trioxide aggregate Fillapex (MTA F), versus AH Plus, when used in combination with Gutta-percha (GP). Materials and Methods: The canals of 54 single-rooted anterior teeth were instrumented and filled with GP\/AH Plus (Group A), GP\/MTA F (Group B), or GP\/BCS (Group C) using continuous wave obturation technique. The groups were subdivided into subgroups with the master-GP cone placed to the working length (WL) or intentionally 2 mm short. The retreatment procedures were performed using ultrasonics, chloroform, rotary, and hand files. The ability to establish the patency and reach WL was determined as well as the time taken to reach WL was calculated in minutes. Furthermore, the samples were observed under a dental, optical microscope, after vertically splitting them. Results: The WL and patency were reestablished in 100% of specimens in all groups. The Mann\u2013Whitney U-test indicated that there was a significant difference in the amount of time required to reach WL between the groups (P &lt; 0.05) with group GP\/BCS short of the WL showing the most amount of time to be retreated. Conclusion: The novel calcium silicate-based sealers are negotiable under simple root canal anatomy. However, the conventional retreatment techniques are not able to fully remove them.<\/jats:p>","DOI":"10.4103\/1305-7456.172625","type":"journal-article","created":{"date-parts":[[2016,4,26]],"date-time":"2016-04-26T11:43:39Z","timestamp":1461671019000},"page":"457-461","source":"Crossref","is-referenced-by-count":36,"title":["Re-establishing apical patency after obturation with Gutta-percha and two novel calcium silicate-based sealers"],"prefix":"10.1055","volume":"09","author":[{"given":"Anastasia","family":"Agrafioti","sequence":"additional","affiliation":[{"name":"Department of Endodontics, School of Dentistry, National and Kapodistrian University of Athens, Athens, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anastasios D.","family":"Koursoumis","sequence":"additional","affiliation":[{"name":"Department of Endodontics, School of Dentistry, National and Kapodistrian University of Athens, Athens, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Evangelos G.","family":"Kontakiotis","sequence":"additional","affiliation":[{"name":"Department of Endodontics, School of Dentistry, National and Kapodistrian University of Athens, Athens, Greece"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"194","published-online":{"date-parts":[[2019,9,23]]},"reference":[{"key":"key-10.4103\/1305-7456.172625-1","first-page":"565","volume-title":"Endodontic retreatment: A rational approach to root canal reinstrumentation","author":"Mandel","year":"1992","journal-title":"J Endod"},{"key":"key-10.4103\/1305-7456.172625-2","first-page":"468","volume-title":"Efficacy, cleaning ability and safety of different rotary NiTi instruments in root canal retreatment","author":"H\u00fclsmann","year":"2004","journal-title":"Int Endod J"},{"key":"key-10.4103\/1305-7456.172625-3","first-page":"203","volume-title":"Obturation of the root canal system","author":"Kratchman","year":"2004","journal-title":"Dent Clin North Am"},{"key":"key-10.4103\/1305-7456.172625-4","first-page":"199","volume-title":"Evolution of root canal sealers: An insight story","author":"Tyagi","year":"2013","journal-title":"Eur J Gen Dent","ISSN":"https:\/\/id.crossref.org\/issn\/2278-9626","issn-type":"print"},{"key":"key-10.4103\/1305-7456.172625-5","first-page":"13","volume-title":"Bioceramic technology \u2013 The game changer in endodontics","author":"Koch","year":"2009","journal-title":"Endod Pract"},{"key":"key-10.4103\/1305-7456.172625-6","first-page":"971","volume-title":"Mineral trioxide aggregate-based endodontic sealer stimulates hydroxyapatite nucleation in human osteoblast-like cell culture","author":"Salles","year":"2012","journal-title":"J Endod"},{"key":"key-10.4103\/1305-7456.172625-7","first-page":"256","volume-title":"A mineral trioxide aggregate sealer stimulated mineralization","author":"Gomes-Filho","year":"2009","journal-title":"J Endod"},{"key":"key-10.4103\/1305-7456.172625-8","first-page":"34","volume-title":"Dislocation resistance of ProRoot Endo Sealer, a calcium silicate-based root canal sealer, from radicular dentine","author":"Huffman","year":"2009","journal-title":"Int Endod J"},{"key":"key-10.4103\/1305-7456.172625-9","first-page":"1128","volume-title":"Antibacterial activity of two MTA-based root canal sealers","author":"Morgental","year":"2011","journal-title":"Int Endod J"},{"key":"key-10.4103\/1305-7456.172625-10","first-page":"657","volume-title":"Cytotoxicity evaluation of Gutta Flow and Endo Sequence BC sealers","author":"Zoufan","year":"2011","journal-title":"Oral Surg Oral Med Oral Pathol Oral Radiol Endod"},{"key":"key-10.4103\/1305-7456.172625-11","first-page":"42","volume-title":"Ceramics-based sealers as new alternative to currently used endodontic sealers","author":"Kossev","year":"2009","journal-title":"Roots"},{"key":"key-10.4103\/1305-7456.172625-12","first-page":"1051","volume-title":"Antibacterial activity of endodontic sealers by modified direct contact test against Enterococcus faecalis","author":"Zhang","year":"2009","journal-title":"J Endod"},{"key":"key-10.4103\/1305-7456.172625-13","unstructured":"Available from: http:\/\/www.angelusdental.com\/products\/details\/id\/2.[Last accessed on 2015 Oct 10]."},{"key":"key-10.4103\/1305-7456.172625-14","unstructured":"Available from: http:\/\/www.endoexperience.com\/userfiles\/file\/endo_bcsealer.pdf. [Last accessed on 2015 Oct 10]."},{"key":"key-10.4103\/1305-7456.172625-15","first-page":"301","volume-title":"Chloroform in the endodontic operatory","author":"McDonald","year":"1992","journal-title":"J Endod"},{"key":"key-10.4103\/1305-7456.172625-16","unstructured":"FDA-United States Food and Drug Administration. Chloroform, Use as an Ingredient (active or inactive) in Drug Products. Federal Register Number: 26845. Washington DC: US Government Printing Office; 1976. p. 47-8."},{"key":"key-10.4103\/1305-7456.172625-17","first-page":"1547","volume-title":"Retreatability of a bioceramic root canal sealing material","author":"Hess","year":"2011","journal-title":"J Endod"},{"key":"key-10.4103\/1305-7456.172625-18","first-page":"588","volume-title":"Regaining apical patency after obturation with Gutta-percha and a sealer containing mineral trioxide aggregate","author":"Carpenter","year":"2014","journal-title":"J Endod"},{"key":"key-10.4103\/1305-7456.172625-19","first-page":"893","volume-title":"Retreatability of 2 mineral trioxide aggregate-based root canal sealers: A cone-beam computed tomography analysis","author":"Neelakantan","year":"2013","journal-title":"J Endod"},{"key":"key-10.4103\/1305-7456.172625-20","first-page":"219","volume-title":"Dentin bond strength of two mineral trioxide aggregate-based and one epoxy resin-based sealers","author":"Assmann","year":"2012","journal-title":"J Endod"}],"container-title":["European Journal of Dentistry"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.thieme-connect.de\/products\/ejournals\/pdf\/10.4103\/1305-7456.172625.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,9,23]],"date-time":"2019-09-23T22:56:04Z","timestamp":1569279364000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.thieme-connect.de\/DOI\/DOI?10.4103\/1305-7456.172625"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015,10]]},"references-count":20,"journal-issue":{"issue":"04","published-online":{"date-parts":[[2019,9,23]]},"published-print":{"date-parts":[[2015,10]]}},"URL":"https:\/\/doi.org\/10.4103\/1305-7456.172625","relation":{},"ISSN":["1305-7456","1305-7464"],"issn-type":[{"value":"1305-7456","type":"print"},{"value":"1305-7464","type":"electronic"}],"subject":[],"published":{"date-parts":[[2015,10]]}}}