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International Journal of Computerized Dentistry
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Int J Comput Dent 20 (2017), No. 3     23. Aug. 2017
Int J Comput Dent 20 (2017), No. 3  (23.08.2017)

Page 275-285, PubMed:28852745, Language: English/German


The importance of the cement spacer for proper crown seating Erratum
Langham, Sue / Simon, James F / Tantbirojn, Daranee / Redmond, David
Marginal integrity is important for the longevity of a restoration. An increase in the marginal discrepancy after cementation contributes adversely to the longevity of a restoration. In the past, the preferred method to overcome this discrepancy was to create internal space for the cement by using a number of coats of a die-spacing material. In the digital age, however, this method is no longer the only option. Currently, an amount of die spacer is engineered into the computer program and forms part of the milling process. The present study attempted to identify the optimal setting of the Spacer parameter that a) is necessary for the complete cementation of a Cerec milled all-ceramic crown, and b) does not compromise the strength of the crown postcementation.

Keywords: cement space, die spacer, CAD/CAM, Cerec, crown seating, crown strength, all-ceramic crown, parameters