Accuracy of Multiple Pour Cast from Various Elastomer Impression Methods

Table 2

The mean measurement values of stone dies, standard errors, and percentage of errors from master cast from heavy-light body single mix impression technique.

Measurement	First pour (1Hr)			Second pour (12Hr)			Third pour (24Hr)			Fourth pour (48Hr)
	Mean	SD	%	Mean	SD	%	Mean	SD	%	Mean	SD	%
Upper dia-abutment1	10.04	0.04	0.50	10.05	0.05	0.60	10.08	0.06	0.90	10.07	0.03	0.80	0.647
Lower dia-abutment1	15.66	0.03	0.19	15.65	0.14	0.12	15.74	0.16	0.03	15.74	0.13	0.02	0.000
Interabutment distance	14.98	0.04	0.04	15.01	0.04	0.20	15.04	0.05	0.53	14.99	0.03	0.40	0.008
Height abutment1	8.14	0.04	−0.73	8.14	0.06	−0.73	8.11	0.05	−1.09	8.10	0.05	−1.21	0.020