Research Article
Accuracy of Multiple Pour Cast from Various Elastomer Impression Methods
Table 4
The mean measurement values of stone dies, standard errors, and percentage of errors from master cast from polyether 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 | 9.94 | 0.08 | −0.50 | 9.86 | 0.77 | −1.30 | 9.88 | 0.06 | −1.10 | 9.89 | 0.05 | −1.00 | 0.012 | Lower dia-abutment1 | 15.56 | 0.08 | −0.44 | 15.53 | 0.07 | −0.63 | 15.52 | 0.07 | −0.70 | 15.55 | 0.05 | −0.51 | 0.031 | Interabutment distance | 14.86 | 0.10 | −0.46 | 14.79 | 0.21 | −0.93 | 14.76 | 0.03 | −1.13 | 14.82 | 0.03 | −0.73 | 0.181 | Height abutment1 | 8.17 | 0.20 | −0.36 | 8.08 | 0.18 | −1.46 | 8.11 | 0.15 | −1.09 | 8.15 | 0.10 | −0.60 | 0.003 |
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