Table 3.
Means, standard deviations (SD) and medians of the maxillary sinus variables, Wilcoxon signed rank standardized test statistics and significance (p-value) between displaced and non-displaced sides of maxillary unilateral displaced canine (BDC and PDC) subjects
| Variable | Displaced side Mean (SD) Median |
Non-displaced side Mean (SD) Median |
Standardized test statistics | p-value | ||
|---|---|---|---|---|---|---|
| BDCs (n = 50 subjects) | ||||||
| Anterior distance canine tip-MS (mm) | 3.39 (7.26) | 5.41 | 3.30 (6.26) | 4.47 | − 0.46 | 0.647NS |
| Lateral distance canine tip-MS (mm) | 24.46 (3.67) | 24.23 | 22.77 (2.94) | 22.93 | − 2.33 | 0.020* |
| Vertical distance canine tip-MS (mm) | 6.69 (5.30) | 5.82 | 9.87 (6.72) | 9.68 | − 3.41 | < 0.001*** |
| Anterior distance canine root tip-MS (mm) | − 0.19 (3.77) | 0.00 | 1.63 (3.13) | 1.64 | − 2.48 | 0.013* |
| Lateral distance canine root tip-MS (mm) | 19.34 (4.97) | 19.70 | 22.10 (2.72) | 22.02 | − 3.48 | < 0.001*** |
| Vertical distance canine root tip-MS (mm) | − 0.71 (5.65) | − 0.62 | − 0.65 (4.09) | − 1.61 | − 0.09 | 0.925NS |
| MS volume (cm3) | 12.73 (5.32) | 11.57 | 10.31 (4.34) | 9.09 | − 3.82 | < 0.001*** |
| MS length (mm) | 32.49 (4.36) | 32.83 | 32.16 (3.98) | 32.18 | − 0.34 | 0.732NS |
| MS width (mm) | 24.70 (5.56) | 24.58 | 24.76 (4.85) | 24.11 | − 0.14 | 0.889NS |
| MS height (mm) | 28.69 (6.24) | 28.01 | 28.33 (5.72) | 27.81 | − 0.13 | 0.896NS |
| Vertical distance first molar root-MS (mm) | 0.41 (2.28) | 0.17 | 0.71 (2.02) | 0.44 | − 0.83 | 0.409NS |
| PDCs (n = 83 subjects) | ||||||
| Anterior distance canine tip-MS (mm) | 2.04 (5.91) | 2.64 | 0.79 (5.85) | 1.78 | − 1.55 | 0.122NS |
| Lateral distance canine tip-MS (mm) | 22.16 (4.80) | 21.63 | 24.59 (3.73) | 24.25 | − 3.59 | < 0.001*** |
| Vertical distance canine tip-MS (mm) | 4.19 (4.48) | 3.28 | 7.14 (6.23) | 5.89 | − 3.99 | < 0.001*** |
| Anterior distance canine root tip-MS (mm) | − 0.66 (4.92) | − 0.84 | 0.80 (4.26) | 1.13 | − 2.22 | 0.027* |
| Lateral distance canine root tip-MS (mm) | 20.16 (4.74) | 20.48 | 22.41 (2.78) | 22.44 | − 3.97 | < 0.001*** |
| Vertical distance canine root tip-MS (mm) | − 2.10 (5.73) | − 2.13 | − 0.69 (4.21) | 0.00 | − 1.64 | 0.100NS |
| MS volume (cm3) | 8.30 (2.50) | 7.71 | 9.20 (2.79) | 9.14 | − 2.55 | 0.011* |
| MS length (mm) | 32.43 (4.07) | 32.57 | 32.82 (4.53) | 33.36 | − 1.41 | 0.159NS |
| MS width (mm) | 25.17 (4.98) | 24.35 | 25.66 (5.01) | 25.39 | − 1.23 | 0.219NS |
| MS height (mm) | 29.40 (5.21) | 29.63 | 29.34 (4.77) | 29.57 | − 0.24 | 0.810NS |
| Vertical distance first molar root-MS (mm) | 0.44 (1.93) | 0.80 | 0.56 (1.78) | 0.00 | − 0.10 | 0.918NS |
NS non-significant, MS Maxillary Sinus
*p < 0.05, ***p < 0.001