Accuracy of Multiple Pour Cast from Various Elastomer Impression Methods

Table 1

The mean measurement values of stone dies, standard errors, and percentage of errors from master cast from putty reline impression technique.

Measurement	First pour (1 Hr)			Second pour (12 Hr)			Third pour (24 Hr)			Fourth pour (48 Hr)
	Mean	SD	%	Mean	SD	%	Mean	SD	%	Mean	SD	%
Upper dia-abutment1	10.03	0.13	0.40	10.04	0.05	0.50	10.08	0.02	0.90	10.06	0.01	0.70	0.424
Lower dia-abutment1	15.65	0.03	0.12	15.65	0.04	0.12	15.71	0.05	0.05	15.66	0.05	0.04	0.000
Interabutment distance	14.96	0.03	0.20	14.98	0.14	0.27	15.02	0.18	0.0	14.99	0.05	0.40	0.000
Height abutment1	8.17	0.04	−0.36	8.15	0.03	−0.60	8.12	0.03	−0.97	8.16	0.03	−0.48	0.000