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Table 2 Mean fracture strength (N) of the three CIR in the IP and control samples

From: Effect of crown to implant ratio and implantoplasty on the fracture resistance of narrow dental implants with marginal bone loss: an in vitro study

CIR Control IP  
Mean (SD) Mean (SD) MD (95%CI) Adjusted P value
2:1 1276.16 (169.75) 1211.70 (281.64) 64.46 (− 117.17 to 246.09) 0.478
2.5:1 815.22 (185.58) 621.68 (186.28) 193.54 (11.91–375.17) 0.037*
3:1 606.55 (111.48) 465.95 (68.57) 140.60 (− 41.03 to 322.24) 0.126
Total 899.31 (323.58) 766.44 (379.19) 132.87 (− 71.95 to 337.69) 0.198
  1. *Statistically significant difference
  2. MD mean difference (Control—IP)