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Journal of Oral Science & Rehabilitation No. 3, 2016

Journal of Oral Science & Rehabilitation 46 Volume 2 | Issue 3/2016 A x i a l p l a n e i n c o m p u t e d t o m o g r a p h y Table 1 Fig. 4 Table 1 Discrepancies between radiographic measurements (mm) and measurements taken directly from the bone (mm) using the occlusal plane as the axial reference plane (Student’s t-test). Fig. 4 Bar graph comparing discrepancies between radiographic measurements (mm) and measurements taken directly from the mandibles (mm) using both axial reference planes studied. Sagittal tomographic slices Radiographic measurements (n = 39) Mean ± SD† Bone measurements (n = 39) Mean ± SD Discrepancies Mean ± SD p-value Cut 1 25.04 ± 4.03 24.96 ± 3.93 0.16 ± 1.33 0.250 Cut 2 25.03 ± 4.11 25.16 ± 3.98 -0.13 ± 1.33 0.085 Cut 3 25.74 ± 4.24 25.98 ± 4.19 -0.24 ± 1.37 0.106 Cut 4 26.82 ± 4.17 27.31 ± 4.05 -0.48 ± 1.45 0.498 Cut 5 28.41 ± 4.35 29.17 ± 4.35 -0.76 ± 1.75 0.389 Cut 6 30.64 ± 4.39 30.61 ± 4.31 0.03 ± 1.39 0.611 Cut 7 31.31 ± 4.31 30.29 ± 4.36 1.02 ± 1.48 < 0.001 Cut 8 31.34 ± 4.57 30.09 ± 4.43 1.24 ± 1.76 < 0.001 Cut 9 31.59 ± 4.77 30.11 ± 4.74 1.47 ± 1.81 < 0.001 Cut 10 31.55 ± 4.84 30.24 ± 4.62 1.31 ± 1.71 < 0.001 Cut 11 31.32 ± 4.64 30.17 ± 4.45 1.15 ± 1.61 < 0.001 Cut 12 30.87 ± 4.53 29.83 ± 4.55 1.03 ± 1.43 < 0.001 Cut 13 29.78 ± 4.63 29.51 ± 4.65 0.27 ± 1.77 0.330 Cut 14 28.13 ± 4.82 28.29 ± 4.91 -0.31 ± 1.87 0.524 Cut 15 26.61 ± 4.75 27.02 ± 4.75 -0.41 ± 1.75 0.345 Cut 16 25.64 ± 4.49 25.94 ± 4.71 -0.29 ± 1.45 0.144 Cut 17 25.21 ± 4.56 25.37 ± 4.78 -0.17 ± 1.31 0.251 Cut 18 25.11 ± 4.38 25.64 ± 4.64 -0.52 ± 1.48 0.500 † SD = standard deviation. Cut 125.04 ± 4.0324.96 ± 3.930.16 ± 1.330.250 Cut 225.03 ± 4.1125.16 ± 3.98 -0.13 ± 1.330.085 Cut 325.74 ± 4.2425.98 ± 4.19 -0.24 ± 1.370.106 Cut 426.82 ± 4.1727.31 ± 4.05 -0.48 ± 1.450.498 Cut 528.41 ± 4.3529.17 ± 4.35 -0.76 ± 1.750.389 Cut 630.64 ± 4.3930.61 ± 4.310.03 ± 1.390.611 Cut 731.31 ± 4.3130.29 ± 4.361.02 ± 1.48 < 0.001 Cut 831.34 ± 4.5730.09 ± 4.431.24 ± 1.76 < 0.001 Cut 931.59 ± 4.7730.11 ± 4.741.47 ± 1.81 < 0.001 Cut 1031.55 ± 4.8430.24 ± 4.621.31 ± 1.71 < 0.001 Cut 1131.32 ± 4.6430.17 ± 4.451.15 ± 1.61 < 0.001 Cut 1230.87 ± 4.5329.83 ± 4.551.03 ± 1.43 < 0.001 Cut 1329.78 ± 4.6329.51 ± 4.650.27 ± 1.770.330 Cut 1428.13 ± 4.8228.29 ± 4.91 -0.31 ± 1.870.524 Cut 1526.61 ± 4.7527.02 ± 4.75 -0.41 ± 1.750.345 Cut 1625.64 ± 4.4925.94 ± 4.71 -0.29 ± 1.450.144 Cut 1725.21 ± 4.5625.37 ± 4.78 -0.17 ± 1.310.251 Cut 1825.11 ± 4.3825.64 ± 4.64 -0.52 ± 1.480.500

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