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Table 1 Mean and standard deviation values of each of the two Euclidean distances measured in micrometer (μm) for the study groups

From: Cast accuracy obtained from different impression techniques at different implant angulations (in vitro study)

Groups Subgroups Mean ± SD
Δr1 Δr2
Group 1:
Indirect technique
n = 10 per subgroup
Subgroup A: cast 1 48.11 ± 8.2 54.08 ± 7.2
Subgroup B: cast 2 64.8 ± 8.2 68.3 ± 8.6
Subgroup C: cast 3 93.8 ± 4.83 90.9 ± 4.2
Group 2:
Direct unsplinted technique
n = 10 per subgroup
Subgroup A: cast 1 41.4 ± 9 50.7 ± 13.3
Subgroup B: cast 2 47.39 ± 5.51 55.28 ± 7.3
Subgroup C: cast 3 67.07 ± 5.7 68.66 ± 4.7
Group 3:
Direct splinted technique
n = 10 per subgroup
Subgroup A: cast 1 40.3 ± 6.7 42.8 ± 8.5
Subgroup B: cast 2 44.64 ± 4.63 45.58 ± 3.4
Subgroup C: cast 3 49.96 ± 10.6 50.36 ± 10.3
  1. Δr1 the absolute error between implant abutments 1 and 2, Δr2 the absolute error between implant abutments 1 and 3