Comparative study to investigate the effect of cryotherapy on post-operative pain using two different preparation techniques (In vivo study)

Abstract

To evaluate the role of cryotherapy in post-operative pain after using two different preparation techniques in vital single root with single canal teeth. Materials and Methods: 60 symptomatic single-rooted teeth were treated endodontically with two different preparation techniques. Teeth were randomly assigned to four groups (n=15): Group1: ProTaper Universal preparation without cold saline, Group 2: Reciproc Blue preparation without cold saline, Group 3: ProTaper Universal preparation with cold saline 20mm for 5-minute, Group 4: Reciproc Blue preparation with cold saline 20mm for 5-minute. All teeth were restored with GIC temporally, Pain levels were assessed by Visual Analogue Scale (VAS) of pain / discomfort questionnaire after 6, 12, 24, and 48 hours and 7 days of canal obturation. Results: The results showed that there was a significant difference (P