{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T17:40:53Z","timestamp":1789062053198,"version":"build-2803163510"},"reference-count":59,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2018,11,27]],"date-time":"2018-11-27T00:00:00Z","timestamp":1543276800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int Endodontic J"],"published-print":{"date-parts":[[2019,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>To evaluate the extraradicular peroxide release from sodium percarbonate compared to sodium perborate as an intracoronal bleaching agent.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methodology<\/jats:title><jats:p>Sixty mandibular single\u2010rooted premolars with intact <jats:styled-content style=\"fixed-case\">CEJ<\/jats:styled-content> were selected. After root filling, gutta\u2010percha was removed 4\u00a0mm apical to <jats:styled-content style=\"fixed-case\">CEJ<\/jats:styled-content> and 2\u00a0mm of <jats:styled-content style=\"fixed-case\">GIC<\/jats:styled-content> was condensed over the root filling. Intracoronal bleaching agents were placed into six groups of teeth (<jats:italic>n<\/jats:italic>\u00a0=\u00a010): sodium perborate with distilled water (<jats:styled-content style=\"fixed-case\">SPW<\/jats:styled-content>); sodium percarbonate with distilled water (<jats:styled-content style=\"fixed-case\">SPCW<\/jats:styled-content>); sodium perborate with 30% hydrogen peroxide (<jats:styled-content style=\"fixed-case\">SPHP<\/jats:styled-content>); sodium percarbonate with 30% hydrogen peroxide (<jats:styled-content style=\"fixed-case\">SPCHP<\/jats:styled-content>); 30% hydrogen peroxide as positive control (<jats:styled-content style=\"fixed-case\">HP<\/jats:styled-content>) and distilled water as negative control (<jats:styled-content style=\"fixed-case\">CL<\/jats:styled-content>). The teeth were then mounted in vials filled with distilled water, kept in an incubator and taken out at 1, 3 and 6\u00a0days for spectrophotometric analysis. Extraradicular peroxide release was quantified by the ferrothiocyanate method. Statistical analysis was undertaken with one\u2010way <jats:sc>anova<\/jats:sc> and Scheffe <jats:italic>post hoc<\/jats:italic> tests.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The greatest peroxide release occurred in the <jats:styled-content style=\"fixed-case\">HP<\/jats:styled-content> group, followed by the <jats:styled-content style=\"fixed-case\">SPCHP<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">SPHP<\/jats:styled-content> groups, and then by the <jats:styled-content style=\"fixed-case\">SPCW<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">SPW<\/jats:styled-content> groups. Intergroup comparison revealed that there was no significant difference in peroxide release among the groups <jats:styled-content style=\"fixed-case\">SPCW<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">SPW<\/jats:styled-content> on days 1, 3 and 6 (<jats:italic>P<\/jats:italic>\u00a0&gt;\u00a00.05). Similarly, no significant difference was found between the <jats:styled-content style=\"fixed-case\">SPCHP<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">SPHP<\/jats:styled-content> treated groups on days 1, 3 and 6 (<jats:italic>P<\/jats:italic>\u00a0&gt;\u00a00.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Extraradicular peroxide release from sodium percarbonate was comparable to that of sodium perborate, as the differences were not significant.<\/jats:p><\/jats:sec>","DOI":"10.1111\/iej.13035","type":"journal-article","created":{"date-parts":[[2018,11,2]],"date-time":"2018-11-02T18:23:37Z","timestamp":1541183017000},"page":"701-708","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Sodium percarbonate as a novel intracoronal bleaching agent: assessment of the associated risk of cervical root resorption"],"prefix":"10.1111","volume":"52","author":[{"given":"A.","family":"Zoya","sequence":"first","affiliation":[{"name":"Department of Conservative Dentistry &amp; Endodontics Dr. Ziauddin Ahmed Dental College &amp; Hospital Aligarh Muslim University Aligarh India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R. K.","family":"Tewari","sequence":"additional","affiliation":[{"name":"Department of Conservative Dentistry &amp; Endodontics Dr. Ziauddin Ahmed Dental College &amp; Hospital Aligarh Muslim University Aligarh India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S. K.","family":"Mishra","sequence":"additional","affiliation":[{"name":"Department of Conservative Dentistry &amp; Endodontics Dr. Ziauddin Ahmed Dental College &amp; Hospital Aligarh Muslim University Aligarh India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S. 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