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Table 3 Open and closed tray technique accuracy in the maxilla and mandible, using the Mann-Whitney U test

From: A prospective clinical study on implant impression accuracy

TechniquesVariablesNumber of impressionsMedianMeanSDP value
Open trayMaxilla180.0400.08330.0760.107
Mandible220.0300.04640.054
Closed trayMaxilla180.0400.07560.0760.419
Mandible220.0400.09450.0104
  1. Significance level p ≤ 0.05