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The effect of cement volume on crown seating.

The effect of cement volume on crown seating. This in vitro study examined the effect of cement volume on the seating of complete crowns. A spaced complete crown was made to fit a nickel-chromium replica mounted in a cementation jig that allowed static and dynamic seating. The crown was luted 10 times for each group using zinc phosphate cement under an initial static load followed by a dynamic load of 1,500 Hz. Seating was measured by a linear variable differential transducer. Mean vertical discrepancies for the three cement volumes were: completely filled (90.0 +/- 15.2 microns); half filled (42.1 +/- 8.6 microns); and brushed on (27.4 +/- 7.2 microns). Means differed significantly (P < .0005). This study indicated that a thinly brushed-on layer of luting cement gave smaller vertical seating discrepancies than greater volumes of luting cement. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The International journal of prosthodontics Pubmed

The effect of cement volume on crown seating.

The International journal of prosthodontics , Volume 9 (5): 7 – Apr 29, 1997

The effect of cement volume on crown seating.


Abstract

This in vitro study examined the effect of cement volume on the seating of complete crowns. A spaced complete crown was made to fit a nickel-chromium replica mounted in a cementation jig that allowed static and dynamic seating. The crown was luted 10 times for each group using zinc phosphate cement under an initial static load followed by a dynamic load of 1,500 Hz. Seating was measured by a linear variable differential transducer. Mean vertical discrepancies for the three cement volumes were: completely filled (90.0 +/- 15.2 microns); half filled (42.1 +/- 8.6 microns); and brushed on (27.4 +/- 7.2 microns). Means differed significantly (P < .0005). This study indicated that a thinly brushed-on layer of luting cement gave smaller vertical seating discrepancies than greater volumes of luting cement.

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ISSN
0893-2174
pmid
9108745

Abstract

This in vitro study examined the effect of cement volume on the seating of complete crowns. A spaced complete crown was made to fit a nickel-chromium replica mounted in a cementation jig that allowed static and dynamic seating. The crown was luted 10 times for each group using zinc phosphate cement under an initial static load followed by a dynamic load of 1,500 Hz. Seating was measured by a linear variable differential transducer. Mean vertical discrepancies for the three cement volumes were: completely filled (90.0 +/- 15.2 microns); half filled (42.1 +/- 8.6 microns); and brushed on (27.4 +/- 7.2 microns). Means differed significantly (P < .0005). This study indicated that a thinly brushed-on layer of luting cement gave smaller vertical seating discrepancies than greater volumes of luting cement.

Journal

The International journal of prosthodonticsPubmed

Published: Apr 29, 1997

There are no references for this article.