Efficacy of Endo-Ice followed by intrapulpal ice application as an adjunct to inferior alveolar nerve block in patients with symptomatic irreversible pulpitis—a randomized controlled trial

Abstract

Objective

The purpose of the present study was to evaluate the effect of Endo-Ice followed by intrapulpal ice application for reducing pain during pulp extirpation in mandibular molars with symptomatic irreversible pulpitis.

Materials and methods

Sixty patients diagnosed with symptomatic irreversible pulpitis participated in the present study. Subjects were randomly allocated to any one of the following groups: control group—inferior alveolar nerve block with lignocaine (2%) adrenaline (1:80000), articaine group—inferior alveolar nerve block with lignocaine (2%) adrenaline (1:80000) + Buccal infiltration with articaine (4%) with adrenaline (1:100000); or cold group—inferior alveolar nerve block with lignocaine (2%) adrenaline (1:80000) + cold application. The outcome assessor measured the level of pain during access opening and pulp extirpation using the visual analogue scale. The anxiety level of the patient was also measured.

Results

During access opening, there was a significant difference in the pain reduction in the articaine group when compared to cold and control group (p value = 0.02). During pulp extirpation, cold group and articaine group showed a significant reduction in pain levels as compared to the control group (p value = 0.001). There was no difference in the pain level during pulp extirpation among the two test arms (articaine and cold) (p value = 0.99). Further, cold significantly reduced the level of anxiety when compared to the articaine or control group (p value = 0.001).

Conclusion

Hence, cold is a simple, supplementary technique in reducing pain during pulp extirpation.

Clinical relevance

Application of cold may help in minimizing the fear of additional injection in managing pain during endodontic treatment.

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