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Table 2 Mean differences in bracket position between working and transfer models depending on bracket geometry

From: Three-dimensional evaluation of bracket placement accuracy and excess bonding adhesive depending on indirect bonding technique and bracket geometry: an in-vitro study

  Bracket N Maximum deviation (mm) Maximum angular deviation (°) Excess adhesive (mm2)
Mean SD Min Max Mean SD Min Max Mean SD Min Max
PVS-VF With Hook 118 1.08 0.50 0.31 2.38 0.68 0.53 0.01 2.07 3.27 1.91 0.00 7.67
  Without Hook 157 0.86 0.36 0.16 1.74 0.64 0.48 0.02 1.86 3.42 1.63 0.13 6.79
PVS putty With Hook 118 0.73 0.51 0.21 2.24 0.69 0.52 0.02 2.31 6.54 5.31 0.24 22.55
  Without Hook 158 0.58 0.28 0.22 1.43 0.76 0.53 0.01 2.04 3.71 2.26 0.33 10.03
Double-PVS With Hook 118 0.65 0.45 0.17 1.79 0.66 0.51 0.01 2.05 4.83 3.56 0.00 15.06
  Without Hook 160 0.59 0.33 0.12 1.58 0.92 0.76 0.01 3.05 4.35 2.76 0.00 11.13