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Table 7 Coefficients of variation for equivalent stresses

From: A biomechanical investigation of mandibular molar implants: reproducibility and validity of a finite element analysis model

Model Loading points
Buccal loading Central loading Lingual loading Average
The neck of the implant
 Contact model
  No. 34 9.62 16.43 16.75 14.27
  No. 35 9.39 9.81 6.43 8.54
  No. 36 0.72 0.52 4.04 1.76
 Fixation model
  No. 34 3.36 3.24 5.69 4.10
  No. 35 3.04 0.54 7.03 3.53
  No. 36 4.03 4.44 3.91 4.13
The tip of the implant
 Contact model
  No. 34 17.31 11.83 29.53 19.55
  No. 35 2.83 10.34 13.62 8.93
  No. 36 45.69 45.99 34.13 41.94
 Fixation model
  No. 34 9.67 10.44 2.22 7.45
  No. 35 2.33 4.53 4.43 3.76
  No. 36 18.09 15.09 19.79 17.65
  1. Coefficient of variation (%) = (S.D.)/(mean).