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Volume 23 , Issue 2
March/April 2010

Pages 107109

Restoring Severely Compromised Anterior Teeth with Zirconia Crowns and Feather-Edged Margin Preparations: A 3-Year Follow-up of a Prospective Clinical Trial

Johannes Schmitt, DMD/Manfred Wichmann, PhD, DMD/Stefan Holst, PhD, DMD/Sven Reich, PhD, DMD

PMID: 20305846

This prospective clinical trial sought to evaluate the 3-year clinical results of anterior teeth restored with 0.3-mm-thick zirconia copings and feather-edged marginal preparations. Ten patients received 19 single-tooth restorations in the anterior maxilla to restore severely decayed teeth. After a mean observation period of 39.2 months, no material fracture occured and all crowns had acceptable surfaces. A survival and success rate of 100% was recorded, which suggests that the clinical method may be a reliable treatment modality for restoring severely compromised anterior teeth. Int J Prosthodont 2010;23:107109.

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