Postendodontic pain in asymptomatic necrotic teeth prepared with different rotary instrumentation techniques

Abstract

Objectives: to investigate the postendodontic pain in asymptomatic necrotic teeth prepared with different rotary instrumentation techniques after single-visit root canal treatment. Materials and Methods: A total of 60 single-rooted teeth with single root canal were treated endodontically. Teeth were divided randomly into four equaled groups ( n = 15) according to instrumentation systems as follows: group I were shaped using ProTaper Universal (control group) (Dentsply/Maillefer, Ballaigues), group 2 were shaped with 2Shape (Micro-Mega) till TS2 (25.06), group 3 were shaped with XP-endo Shaper file (FKG Dentaire) till #30.04, and group 4 were shaped with Reciproc blue (VDW) till R25 (25.08). All groups were prepared according to manufacturer's instructions and obturated with lateral condensation technique. Pain levels were assessed by visual analog scale (VAS) and verbal evaluation of pain questionnaire after 6, 12, 24, 48 h, and 7 days of canal obturation. Data were then analyzed using Kruskal–Wallis and Mann–Whitney U tests at P value of 0.05. Results: Postendodontic pain started after 6 h of treatment with highest values and then decreased gradually until almost vanished after 1 week of treatment, with no significant differences in VAS among studied groups (ProTaper, 2 shape, XP endo Shaper, and Reciproc Blue) after 6,12, and 48 h of treatment. On the other hand, XP endo Shaper group, showed the lowest pain values after 24 h of treatment, and the highest pain values were found in 2 shape group after 1 week with significance ( P < 0.05). Conclusion: Root canals prepared with XP endo Shaper resulted in the lowest pain levels after 24 h of treatment. Root canal preparation with 2Sshape rotary system resulted in the highest pain levels after 1 week of treatment.

Evaluation of postoperative Pain after endodontic treatment using XP-endo shaper and Oneshape (A double-blind randomized study)

“…In the current study Xp endoshaper resulted in less postoperative pain than the Oneshape file. Some studies 11,12,32 stated that XP endoshaper caused less postoperative pain when compared to other files, which is in agreement with the results of this study.…”

Post-endodontic pain in curved canals prepared with different rotary instrumentation techniques: A randomized controlled trial

“…27,28 The results of our study show that the mean pain values were the highest at 6 h after endodontic treatment and gradually decreased over 72 h. This may be due to the irritation of the periapical area caused by the extrusion of instrumentation debris, leading to local inflammatory reactions and subsequent pain. The pain typically subsides after the healing of the periapical area at 72 h. 5 This study found statistically significant differences in post-endodontic pain between the tested instrumentation techniques at 6, 12, 18, 24, 48, and 72 h. The XPS group had the lowest VAS pain values and the lowest amount of extruded debris, with the result being similar to that reported by Uslu et al 29 There were no statistically significant differences between the HEDM and WOG techniques. Similarly, Fontana et al 6 and Yeter et al 30 found that HEDM and WOG were comparable in terms of the amount of extruded debris.…”

“…4 Apical debris extrusion is believed to induce acute inflammatory reactions and is considered a direct cause of post-endodontic pain. 5,6 Nowadays, numerous rotary instruments have been developed with advanced metallurgy and mechanisms to facilitate endodontic treatment. Nonetheless, all preparation instruments and techniques are still associated with some degree of debris extrusion, which may cause postendodontic pain.…”

Severity of Post-Operative Pain after Instrumentation of Root Canals by XP-Endo and SAF Full Sequences Compared to Manual Instrumentation: A Randomized Clinical Trial

“…This finding is in agreement with previous studies that have reported that the post-operative pain level was higher when hand files were used compared to the use of multi-file rotary file systems of tapers ranging from 0.04–0.06. Single-file reciprocal systems were also reported to have higher post-operative pain levels than multi-file rotary file systems [ 26 , 27 , 28 ].…”

“…Previous studies have suggested that SAF [ 20 , 30 ] and XP-endo shaper [ 27 , 28 ] induced decreased post-operative pain when applied alone for root canal instrumentation. When the XP-endo finisher [ 31 ] was used as supplemental instrumentation, it caused less post-operative pain.…”