Table 1 General data analysis
traditional teaching group (n = 20) | hand held scanner 3D imaging group(n = 20) | 2D fitting 3D method group(n = 20) | 2/F | P | ||
|---|---|---|---|---|---|---|
Gender | M(%) | 14(70.0) | 11(55.0) | 12(60.0) | 0.987 | 0.610 |
F(%) | 6(30.0) | 9(45.0) | 8(40.0) | |||
Age | 20.6 ± 0.8 | 20.6 ± 0.7 | 20.3 ± 0.8 | 1.075 | 0.348 | |