Fig. 4
Mirror training using Mirrosistant shortens the performance time of dental students on SIMODONT system. The box plots showing the time of dental students using the SIMODONT system. A Total time of seconds taken to complete the mirror operation were compared between the Ctrl group and the Exp group in the 1st examination. A two-tailed unpaired Student’s t-test was performed. B Preparation time of seconds during mirror operation were compared between the Ctrl group and the Exp group in the 1st examination. The Mann–Whitney test was performed. C Total time of seconds taken to complete the mirror operation were compared between the Ctrl group and the Exp group in the 2nd examination. The Mann–Whitney test was performed. D Preparation time of seconds during mirror operation were compared between the Ctrl group and the Exp group in the 2nd examination. The unpaired t-test with Welch’s correction was performed