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International Journal of Implant Dentistry

Table 3 Accuracy of open and closed tray impression techniques for both parallel and non-parallel implant systems

From: Implant impression accuracy of parallel and non-parallel implants: a comparative in-vitro analysis of open and closed tray techniques

Impression technique Implant system Angulations Count Median Mean SD P value
Open tray Straumann Parallel 16 0.017 0.028 0.031 0.926
Non-parallel 16 0.015 0.045 0.054
SIC Invent Parallel 16 0.019 0.040 0.045 0.999
Non-parallel 16 0.020 0.034 0.030
Osstem Parallel 16 0.008 0.021 0.038 0.0166*
Non-parallel 16 0.016 0.037 0.047
Closed tray Strauman Parallel 16 0.015 0.034 0.037 0.196
Non-parallel 16 0.016 0.043 0.045
SIC Invent Parallel 16 0.028 0.040 0.036 0.616
Non-parallel 16 0.041 0.053 0.053
Osstem Parallel 16 0.026 0.049 0.052 0.423
Non-parallel 16 0.039 0.075 0.078
  1. *Mann-Whitney U test, P value < 0.05 statistically significant
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