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摘要
Introduction: This prospective randomized clinical trial evaluated the incidence of postoperative pain after glide path performed with Path File (PF) (Dentsply Maillefer, Ballaigues, Switzerland) versus stainless-steel K-file (KF). Methods: In 149 subjects, the mechanical glide path was performed with nickel-titanium (NiTi) rotary PF; in 146 subjects, the manual glide path was performed with stainless-steel KFs. Postoperative pain, analgesics consumption, and the number of days to complete pain resolution were evaluated in the following 7 days. An analysis of variance model for repeated measures was used to compare the variation of pain-scale values (P %26lt;.05). The Student%26apos;s t test for continuous variables normally distributed, the nonparametric Mann-Whitney U test for the nonnormally distributed variables, and the chi-square test for dichotomous variables were used (P %26lt;.05). Despite homogeneous baseline conditions at diagnosis, tooth type, pain prevalence, and scores, the postoperative pain prevalence curves in PF group evidenced a more favorable trend in terms of time to pain resolution compared with the KF group (P =.004). The difference was also evident in the model adjusted for analgesics consumption in both groups (P =.012). The mean analgesics intake per subject was significantly higher in the KF group (3.7 +/- 2.2) compared with the PF group (2 +/- 1.7) (P %26lt;.001). Mean pain stop values were also significantly higher in the KF group (2.7) compared with the PF group (1.7) (P =.001). Conclusions: The glide path with NiTi Rotary PF leads to less postoperative pain and faster symptom resolution. (J Endod 2012;38:32-36)
- 出版日期2012-1
