Comparative Analysis of Incidence and Intensity of Post-operative Pain using Different Instrumentation Techniques and Irrigants in a Single Visit Root Canal Therapy

Sunaina Sood; Anurag Aggarwal; Shalu Krishan Gupta

Comparative Analysis of Incidence and Intensity of Post-operative Pain using Different Instrumentation Techniques and Irrigants in a Single Visit Root Canal Therapy

Sunaina Sood, Anurag Aggarwal, Shalu Krishan Gupta

Abstract

Success of root canal treatment is attributed to numerous factors. Instrumentation technique and irrigant used can be considered as one of the major factors upon which the post-operative pain depends. The aim of this study was to compare the extent of post-operative pain in patients after using three different instrumentation techniques and two different irrigants in a single visit root canal therapy. A total of 60 patients with mandibular molars requiring root canal treatment were selected and divided into three groups of 20 patients each. Group I was instrumented with stainless steel hand K-files, Group II was instrumented with Revo-S file system and Group III was instrumented with WaveOne reciprocating system. Each group was further divided into subgroups of 10 patients each, based upon the irrigant used. Subgroup A was irrigated using 3% sodium hypochlorite, and subgroup B was irrigated using 2% chlorhexidine. All canals were instrumented and obturated in a single visit. Post-operative pain response of patients was evaluated immediately after 6 h, 24 h, 3 days and 7 days post-operatively using the Visual Analogue Scale (VAS) score. For VAS pain scores, significantly more pain was found in WaveOne group 6 h post-operatively. There was no statistically significant difference between the subgroups in post-operative pain. It can be concluded that the difference in the post-operative pain is related to the instrumentation technique. Reciprocating system, WaveOne resulted in more pain followed by hand K-files and Revo-S file system. Both NaOCl and CHX showed an insignificant difference in post-operative pain.

Keywords

continuous rotary systems, post-operative pain, reciprocating systems, single visit root canal treatment, sodium hypochlorite, chlorhexidine

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