A prospective clinical study on implant impression accuracy

International Journal of Implant Dentistry

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

Techniques	Variables	Number of impressions	Median	Mean	SD	P value
Open tray	Anterior	13	0.04	0.0569	0.0497	0.360
Open tray	Posterior	27	0.03	0.0659	0.0737	0.360
Closed tray	Anterior	13	0.03	0.0515	0.0571	0.039*
Closed tray	Posterior	27	0.04	0.1026	0.1013	0.039*