Introduction: To assess the effects of different irrigation activation systems on postoperative pain using a Visual Analog Scale (VAS), using new laser irrigation activation system shock wave-enhanced emission photoacoustic streaming (SWEEPS), photon-induced photoacoustic streaming (PIPS), passive ultrasonic irrigation activation techniques, compared with the conventional irrigation (CI) method.

Materials And Methods: Sixty patients suffering from symptomatic irreversible pulpitis in maxillary or mandibular molars were enrolled and randomly assigned to four different irrigation activation groups ( = 15) after chemomechanical root canal preparation. Preoperative and postoperative pain scores were recorded using VAS. The data were collected and subjected to statistical analysis using IBM SPSS 20.0 software at a level of significance being 0.05.

Results: We observed that mean pain scores decreased with time in all patients in all groups. The decrease in pain score was found to be statistically significant ( < 0.05) among both the genders in Group 3 (PIPS) and Group 4 (SWEEPS). Postoperatively, pain scores decreased significantly using Group 4 (SWEEPS), followed by Group 3 (PIPS), Group 2 (ultrasonic activation), and Group 1 (conventional needle irrigation). No significant relation was observed statistically between pain scores and age groups among all groups, except for preoperative score in Group 3 and age groups.

Conclusion: Postoperative scores were lower in laser-activated irrigation systems as compared to the other activation systems. The highest pain scores were observed in case of CI method, at pre- and post-operative periods.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10190097PMC
http://dx.doi.org/10.4103/jcd.jcd_450_22DOI Listing

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