| 3D group, n = 15 | Traditional group, n = 19 | t value | p value |
---|---|---|---|---|
Anterior space (ipsilateral) (mm) | 0.79±0.75 | 0.84±0.76 | -0.213 | 0.833 |
Superior space (ipsilateral) (mm) | 0.86±1.04 | 1.91±1.59 | -2.199 | 0.035* |
Posterior space (ipsilateral) (mm) | 0.88±0.76 | 2.58±3.18 | -2.253 | 0.035* |
Anterior space (contralateral) (mm) | 0.44±0.35 | 0.34±0.34 | 0.876 | 0.388 |
Superior space (contralateral) (mm) | 0.63±0.51 | 0.53±0.46 | 0.602 | 0.551 |
Posterior space (contralateral) (mm) | 0.92±1.36 | 0.56±0.54 | 1.066 | 0.294 |