Table 1 Descriptive results for PSAA

Gender

Male

95 (100%)

Female

115 (98.3%)

Total

210 (99.1%)

Right

Left

Type

Intrasinus (I)

120 (57.1%)

104 (49.5%)

Intraosseous (II)

75 (35.7%)

80 (38.1%)

Superficial (III)

15 (7.1%)

26 (12.4%)

Diameter

Mean, mm ± SD

1.1 ± 0.4

1.1 ± 0.4

 < 1 mm

49%

47.6%

1–2 mm

47.1%

49.5%

 > 2 mm

3.8%

2.9%

Distance to medial wall, mm ± SD

14.1 ± 7

15.3 ± 1.4

Distance to alveolar ridge, mm ± SD

15.9 ± 10.9

16.5 ± 1.4

Residual alveolar ridge, mm ± SD

8.6 ± 3.2

8.5 ± 3.2