Clinical Study

Efficacy of Preoperative Administration of Paracetamol-Codeine on Pain following Impacted Mandibular Third Molar Surgery: A Randomized, Split-Mouth, Placebo-Controlled, Double-Blind Clinical Trial

Figure 1

Pain intensity score (NRS-11) in the placebo and analgesic groups recorded at specific time intervals on the three days after surgery. Data are expressed as the mean and SD values. Significant difference in the NRS-11 score between the two groups was found only in the first day after surgery .