Correlation between dimensional changes of the casting investment and the accuracy of fit of schematic crown rings

Wagner, E.

Deutsche Zahnarztliche Zeitschrift 32(12): 949-951

1977


ISSN/ISBN: 0012-1029
PMID: 271574
Document Number: 112491
90 pairs of measurements were evaluated to determine the correlation between the combined setting and thermal expansion of the investment Deguvest HFG and the width of the gap of the rings casted by Degulor M. The correlation is significant but not especially strict.

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