Results
pain
The ages of the patients ranged from 20 to 50; the mean age was 35.92 ± 13.81. Fifty-three (58%) of the 90 patients included in the study were women; 37 (42%) were male. An examination of the distribution of PP on the basis of gender indicated that there was no statistically significant difference between the groups (Distribution of gender, age, and analgesic useThe distribution of PP between the groups and within the groups by time period is summarized in Table  A Comparison of PainLevelsat different time intervals according to the Irrigation Activation Protocols*The evaluation of post operative pain (MeanRank) within the group according to time periodsDifferent superscripts indicate statistically significant difference at 5% significance level (*Statictical significance within a column (Mann–Whitney U test)