{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,29]],"date-time":"2026-10-29T02:56:19Z","timestamp":1793242579072,"version":"4.5.0"},"reference-count":36,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2011,9,8]],"date-time":"2011-09-08T00:00:00Z","timestamp":1315440000000},"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":[[2012,1]]},"abstract":"<jats:sec><jats:label\/><jats:p><jats:bold>Mehrvarzfar P, Abbott PV, Saghiri MA, Delvarani A, Asgar K, Lotfi M, Karamifar K, Kharazifard MJ, Khabazi H.<\/jats:bold> Effects of three oral analgesics on postoperative pain following root canal preparation: a controlled clinical trial. <jats:italic>International Endodontic Journal<\/jats:italic>, <jats:bold>45<\/jats:bold>, 76\u201382, 2012.<\/jats:p><\/jats:sec><jats:sec><jats:title>Abstract<\/jats:title><jats:p><jats:bold>Aim\u2002<\/jats:bold> To compare the effects of single doses of three oral medications on postoperative pain following instrumentation of root canals in teeth with irreversible pulpitis.<\/jats:p><jats:p><jats:bold>Methodology\u2002<\/jats:bold> In this double\u2010blind clinical trial, 100 patients who had anterior or premolar teeth with irreversible pulpitis without any signs and symptoms of acute or chronic apical periodontitis and moderate to severe pain were divided by balanced block random allocation into four groups of 25 each, a control group receiving a placebo medication, and three experimental groups receiving a single dose of either Tramadol (100\u2003mg), Novafen (325\u2003mg of paracetamol, 200\u2003mg ibuprofen and 40\u2003mg caffeine anhydrous) or Naproxen (500\u2003mg) immediately after the first appointment where the pulp was removed, and the canals were fully prepared. The intensity of pain was scored based on 10\u2010point VAS before and after treatment for up to 24\u2003h postoperatively. Data were submitted to repeated analysis of variance.<\/jats:p><jats:p><jats:bold>Results\u2002<\/jats:bold> At the 6, 12 and 24\u2003h postoperative intervals after drug administration, the intensity of pain was significantly lower in the experimental groups than in the placebo group (<jats:italic>P<\/jats:italic>\u2003&lt;\u20030.01). Tramadol was significantly less effective (<jats:italic>P<\/jats:italic>\u2003&lt;\u20030.05) than Naproxen, and Novafen that were similar to each other (<jats:italic>P<\/jats:italic>\u2003&gt;\u20030.05).<\/jats:p><jats:p><jats:bold>Conclusion\u2002<\/jats:bold> A single oral dose of Naproxen, Novafen and Tramadol taken immediately after treatment reduced postoperative pain following pulpectomy and root canal preparation of teeth with irreversible pulpitis.<\/jats:p><\/jats:sec>","DOI":"10.1111\/j.1365-2591.2011.01950.x","type":"journal-article","created":{"date-parts":[[2011,9,8]],"date-time":"2011-09-08T16:49:07Z","timestamp":1315500547000},"page":"76-82","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":53,"title":["Effects of three oral analgesics on postoperative pain following root canal preparation: a controlled clinical trial"],"prefix":"10.1111","volume":"45","author":[{"given":"P.","family":"Mehrvarzfar","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P. 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