Open Access
Table I
Geometric characteristics of maxillary sinus floor defects, including linear dimensions and cross-sectional area.
| Type of maxillary sinus floor defect (n = 91) | ||||||
|---|---|---|---|---|---|---|
| All defects (n = 91) |
Type I (n = 34, 37.4%) |
Type II (n = 12, 13.2%) |
Type III (n = 28, 30.8%) |
Type IV (n = 17, 18.6%) |
p | |
| Defect area, mm2 | Me = 17.1 (IQR 6.1-32.1) |
Me = 5.4 (IQR 3.1-9.0) |
Me = 29.1 (IQR 22.4-38.4) |
Me = 38.2 (IQR 13.3-34.8) |
Me = 32.9 (IQR 23.1-76.4) |
<0.001* |
| Mesiodistal extent, mm | Me = 5.0 (IQR 2.8-7.2) |
Me = 2.8 (IQR 2.0-4.0) |
Me = 6.2 (IQR 4.5-6.7) |
Me = 6.8 (IQR 4.0-8.0) |
Me = 7.5 (IQR 5.5-11.2) |
<0.001* |
| Vestibulo-oral extent, mm | Me = 4.9 (IQR 2.6-6.2) |
Me = 2.5 (IQR 2.0-3.3) |
Me = 6.3 (IQR 5.3-8.3) |
Me = 5.3 (IQR 3.9-6.4) |
Me = 6.0 (IQR 5.0-7.0) |
<0.001* |
| Residual bone height at the defect site, mm | Me = 5.5 (IQR 3.7-6.7) |
M = 4.4 ± 2.3 | M =6.2 ± 3.2 | M = 5.8±2.4 | M = 5.9±2.9 | 0.056** |
| Defect height projection onto the buccal wall of the sinus, mm | Me = 1.3 (IQR 0.0-3.8) |
Me = 0.0 (IQR 0.0-0.6) |
Me = 2.2 (IQR 0.0-3.8) |
Me = 3.8 (IQR 3.1-4.7) |
Me = 1.2 (IQR 0.0-2.8) |
<0.001* |
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