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. 2020 Jun 29;20:178. doi: 10.1186/s12903-020-01155-x

Table 2.

Mean deviations of all 48 implants

Tooth Region Alveolar Ridge Preservation Implant Diameter Implant Length
Anterior Tooth Premolar Molar Yes (Group A) No (Group B) 3.8 mm 4.3 mm 9 mm 11 mm 13 mm
Coronal distance MV 0.67 0.66 0.73 0.65 0.71 0.65 0.73 0.64 0.62 0.75
Min 0.38 0.19 0.24 0.19 0.25 0.19 0.24 0.24 0.19 0.50
Max 1.25 1.66 1.41 1.41 1.66 1.25 1.66 1.66 1.41 1.25
Median 0.65 0.62 0.62 0.63 0.63 0.62 0.64 0.43 0.59 0.66
IQR 0.50–0.75 0.49–0.80 0.25–0.99 0.50–0.78 0.46–0.88 0,51–0.79 0.40–0.99 0.32–0.89 0.40–0.77 0.60–0.88
P-value 0.94 0.71 0.64 0.11
Apical distance MV 1.41 1.31 1.61 1.41 1.35 1,30 1.54 1.06 1.26 1.64
Min 0.47 0.26 0.48 0.26 0.47 0.26 0.48 0.47 0.26 1.14
Max 3.07 2.43 3.50 3.50 3.07 3.07 3.50 1.87 3.50 3.07
Median 1.40 1.28 1.51 1.35 1.30 1.31 1.51 0.94 1.16 1.39
IQR 1.14–1.58 0.99–1.56 0.90–1.76 1.02–1.52 0.99–1.68 1.01–1.48 0.90–1.87 0.64–1. 48 0.74–1.50 1.25–2.07
P-value 0.57 0.88 0.25 0.02
Height MV 0.24 0.33 0.18 0.24 0.33 0.28 0.31 0.31 0.25 0.32
Min 0.05 0.00 0.00 0.00 0.02 0.01 0.00 0.00 0.01 0.05
Max 0.79 1.4 0.59 0.72 1.40 0.79 1.40 1.40 0.68 0.79
Median 0.22 0.27 0.06 0.19 0.27 0.24 0.19 0.07 0.24 0.27
IQR 0.14–0.27 0.09–0.43 0.02–0.42 0.05–0.39 0.12–0.41 0.13–0.37 0.05–0.49 0.03–0.43 0.12–0.35 0.12–0.45
P-value 0.28 0.21 0.65 0.30
Angle MV 3.8 3.8 5.6 4.5 3,7 3.6 5.2 3.4 3.8 4.5
Min 0.8 0.4 1.6 0.4 0.8 0.4 1.6 0.8 0.4 2.6
Max 9.1 8.1 11.0 11.0 9.1 9.1 11.0 5.9 11.0 9.1
Median 3.8 3.5 5.6 4.2 3.6 3.5 4.9 3.3 3.6 4.2
IQR 2.6–4.3 2.7–4.5 4.4–5.9 3.1–5.9 2.6–4.9 2.6–4.2 2.7–6.9 2.1–4.8 2.0–4.4 3.2–5.6
P-value 0.14 0.19 0.04 0.29

Mean values (MV), minima (min), maxima (max), median as well as the interquartile range (IQR), and P-values (significance level p ≤ 0.05) of the coronal distance, apical distance, vertical deviation, and angular deviation in [mm] according to the “tooth region, alveolar ridge preservation, implant diameter, and implant length” factors