Table 3 Vertical height of the sphenoid ostium from the orbital floor
Landmarks | Lee et al. [13] Mean (mm) ± SD | Lee [16] Mean (mm) ± SD |
|---|---|---|
Height of maxillary sinus roof | 33.45 ± 2.83 | 33.83 ± 3.40 |
Maxillary sinus roof to posterior ethmoid roof | 14.08 ± 3.03 | Not measured |
Maxillary sinus roof to sphenoid ostium | 2.76 ± 2.80 | 1.79 ± 3.09 |
Maxillary sinus roof to sphenoid roof | 12.18 ± 3.20 | 12.02 ± 2.93 |
Maxillary sinus roof to sphenoid floor | 5.94 ± 2.94 | 6.18 ± 2.88 |