Skip to main content

Table 3 Descriptive statistics of implant placement accuracy parameters on each bone condition groups

From: Influence of bone condition on implant placement accuracy with computer-guided surgery

  Bone density Bone width Cortical bone thickness
BD1 BD2 BW1 BW2 CT1 CT2
N 24 23 36 11 33 14
BL-LP (mm)
 Mean 1.63 1.30 1.56 1.16 1.53 1.32
 Median 1.43 1.12 1.43 0.92 1.35 1.11
 SD 0.84 0.71 0.75 0.86 0.84 0.66
 Min 0.56 0.27 0.42 0.27 0.27 0.55
 Max 3.32 2.66 3.32 2.98 3.32 2.31
BL-LA (mm)
 Mean 1.94 1.56 1.88 1.34 1.46 1.32
 Median 1.69 1.63 1.86 1.17 1.30 1.43
 SD 0.95 0.83 0.90 0.82 0.87 0.63
 Min 0.53 0.25 0.25 0.42 0.24 0.3
 Max 4.23 3.01 4.23 2.9 3.24 2.32
MD-LP (mm)
 Mean 1.63 1.19 1.52 1.08 1.84 1.54
 Median 1.44 1.30 1.45 0.71 1.63 1.67
 SD 0.84 0.71 0.75 0.91 0.94 0.82
 Min 0.38 0.24 0.24 0.38 0.26 0.25
 Max 3.24 2.65 3.24 2.93 4.23 2.82
MD-LA (mm)
 Mean 2.40 1.39 1.93 1.82 1.98 1.72
 Median 2.19 1.32 1.82 1.14 1.70 1.83
 SD 0.94 0.74 0.91 1.22 1.03 0.86
 Min 0.95 0.45 0.45 0.5 0.45 0.48
 Max 4.04 3.41 4.04 3.67 4.04 3.34
VP (mm)
 Mean 1.50 0.96 1.34 0.88 1.31 1.06
 Median 1.29 0.81 1.30 0.53 1.20 0.80
 SD 0.85 0.78 0.81 0.94 0.92 0.67
 Min 0.42 0.08 0.08 0.08 0.08 0.25
 Max 3.25 2.65 3.25 2.79 3.25 2.25
VA (mm)
 Mean 1.68 0.96 1.43 0.98 1.43 1.09
 Median 1.39 0.86 1.39 0.50 1.36 0.93
 SD 0.90 0.84 0.88 1.05 0.96 0.86
 Min 0.41 0.01 0.01 0.02 0.01 0.01
 Max 3.46 2.68 3.46 3.26 3.46 2.65
  1. BL bucco-lingual, LP linear deviation at the implant platform, LA linear deviation at the implant apical, MD Mesio-distal, VP vertical deviation at the implant platform, VA vertical deviation at the implant apical