Fig. 3

Behavioral test results for the TN, sham, and control groups. a Air-puff test results for the ipsilateral trigeminal facial area. b Cold hyperalgesia results for the ipsilateral facial area following treatment with acetone drops. c Mechanical allodynia (von Frey test) results for the ipsilateral facial side. ***, p < 0.001, significant difference determined via an analysis of variance (ANOVA)