Research Article
[Retracted] Efficacy of Periodontal Endodontics Combined with Diode Laser (DL) Therapy on Severe Periodontitis
Figure 3
Toothache degree comparison (all statistical toothache degree comparison data in this study were entered into Excel software by the first author and corresponding author, and the statistical processing software was SPSS25.0 for calculation. An independent sample t-test analysis was performed between the two groups to measure the measured values which were expressed as mean ± standard deviation. It was found that before treatment, there was no significant difference in the levels of inflammatory factors between the two groups (). The VAS score was significantly lower than that of the control group, and the difference was statistically significant ().