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Table 4 Impression technique accuracy in the anterior and posterior regions using the Mann-Whitney U test

From: A prospective clinical study on implant impression accuracy

TechniquesVariablesNumber of impressionsMedianMeanSDP value
Open trayAnterior130.040.05690.04970.360
Posterior270.030.06590.0737
Closed trayAnterior130.030.05150.05710.039*
Posterior270.040.10260.1013
  1. *Significance level p ≤ 0.05