Internal escape channel to improve the seating of full crowns with various marginal configurations: a follow-up study.

Abstract

The effectiveness of an internal escape channel in improving the marginal adaptation of full crowns with various marginal configuration was investigated. Full crowns with 90-degree shoulders had a vertical discrepancy comparable to those of crowns with accentuated finish lines. Although an internal escape channel significantly improved the seating of a full… (More)

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