Table 3 The median pain score during injection, treatment, and patient’s comfort for inferior alveolar nerve block (IANB) vs. intraligamentary anesthesia (ILA) by using a 10-point segmented numeric rating scale (NRS)

From: RCT on the effectiveness of the intraligamentary anesthesia and inferior alveolar nerve block on pain during dental treatment

Pain score IANB group ILA group p value
Pain score during injection (0–10); median (IQR) 2 (2) 1 (3) 0.03
Pain score during treatment (0–10); median (IQR) 1 (2) 1 (5) 0.2
Patient comfort during the treatment (0–10); median (IQR) 2 (3) 2 (3) 0.7
  1. IQR, interquartile range