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Postoperative Endodontic Pain of Three Different Instrumentation Techniques in Asymptomatic Necrotic Mandibular Molars With Periapical Lesion: A Prospective, Randomized, Double-Blind Clinical Trial Publisher Pubmed



Shokraneh A1 ; Ajami M1 ; Farhadi N2 ; Hosseini M3 ; Rohani B4
Authors
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Authors Affiliations
  1. 1. Department of Endodontics, School of Dentistry, AJA University of Medical Sciences, Tehran, 8174755153, Iran
  2. 2. Department of Oral and Maxillofacial Radiology, School of Dentistry, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
  3. 3. Department of Biostatistics and Epidemiology, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
  4. 4. Department of Oral Medicine, School of Dentistry, AJA University of Medical Sciences, Tehran, Iran

Source: Clinical Oral Investigations Published:2017


Abstract

Objectives: The purpose of this prospective, randomized, double-blind study was to compare postoperative pain of root canal treatment in patients with asymptomatic mandibular molar teeth with necrotic pulp and periapical lesion using three different instrumentation techniques: hand, multi-file rotary (ProTaper Universal), and reciprocating single-file (Wave-One) instrumentation techniques. Materials and methods: Ninety-six patients who fulfilled specific inclusion criteria were assigned to three groups according to the root canal instrumentation technique used: Hand (G1), ProTaper Universal (G2), and Wave-One (G3). One-visit root canal treatment was carried out, and the severity of the postoperative pain was assessed by the Heft-Parker visual analogue scale 6, 12, 18, 24, 48, and 72 h after treatment. Data were analyzed by Kruskal-Wallis, χ2, Cochrane Q, one-way ANOVA, and Spearman’s correlation analyses (α = 0.05). Results: The patients in group 3 reported significantly lower postoperative pain levels at 6, 12, and 18 h compared with the patients in the two other groups (P < .05). In addition, the patients in group 2 reported significantly lower postoperative pain levels at 6 and 12 h compared with the patients in group 1 (P < .05). There were no significant differences in postoperative pain between the three groups at other time intervals (P > .05). The analgesic consumption was significantly higher in group 1 (P < .05), but no difference was seen between the two other groups (P > .05). Clinical relevance: Postoperative pain was significantly lower in patients undergoing root canal instrumentation with the Wave-One file compared with the ProTaper Universal and hand files. © 2016, Springer-Verlag Berlin Heidelberg.
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