Table 3.

Mean maxillary sinus volume of groups (I and II) and subgroups (IA, IB, IIA, IIB).

Variables	Right side	Left side	Average volume
Group I	12.916 ± 1.769	12.508 ± 1.509	12.712 ± 1.619
Subgroup 1A	12.27 ± 1.53	11.91 ± 1.31	12.09 ± 1.40
Subgroup 1B	13.62 ± 1.80	13.16 ± 1.48	13.39 ± 1.62
Group II	11.668 ± 1.593	11.528 ± 1.521	11.598 ± 1.520
Subgroup IIA	11.43 ± 1.72	11.33 ± 1.70	11.38 ± 1.67
Subgroup IIB	11.89 ± 1.50	11.72 ± 1.37	11.80 ± 1.40