From: Incidence of maxillary sinus septa in the saudi population
 | Extent | P value | Orientation (partial septa) | |||
---|---|---|---|---|---|---|
 | Complete | Partial | Horizontal | Vertical | Oblique | |
Right side | 69 | 17 | 0.044 | 1 | 15 | 1 |
Left side | 77 | 40 | 0.007 | 9 | 24 | 7 |
Total septa | 146 (71.92%) | 57 (28.1%) | 0.014 | 10 (17.5%) | 39 (68.4%) | 8 (14.03%) |