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Quintessence Publishing: Journals: AJED

 

The American Journal of Esthetic Dentistry

Edited by Richard J. Simonsen, DDS, MS

ISSN 2162-2833 (print) • ISSN 2162-2841 (online)

Publication:
The American Journal of Esthetic Dentistry
SPRING 2013
Volume 3 , Issue 1

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Three-Year Follow-up of Y-TZP Crowns Fabricated with MAD/MAM Technology and the Slow-Cooling Method for Porcelain Application: Case Report

Mary A.S. Melo, DDS, MSc, PhD/Vanara F. Passos, DDS, MSc, PhD/Nelson R.F.A. Silva, DDS, MSc, PhD/Carlos A.O. Fernandes, DDS, MSc, PhD

Pages: 38–50
DOI: 10.11607/ajed.0053

Questions regarding the mechanical performance of yttria-stabilized tetra­gonal zirconia polycrystal (Y-TZP)–supported ceramic systems have led to much debate in the dental literature. Over the past 4 years, however, increased understanding of the interaction between the veneering porcelain and Y-TZP core seems to have improved the associated clinical outcomes. Along with enhanced mechanical response and biocompatibility, Y-TZP porcelain crowns have shown excellent esthetic outcomes. This case report describes the 3-year follow-up of four single crowns in the maxillary anterior region fabricated using a Y-TZP copy-milling system and the slow-cooling method for feldspathic porcelain application. The 3-year evaluation revealed no signs of chipping or fracture. The final esthetic and functional results showed that this treatment modality seems to be a reliable method for restoring esthetically compromised anterior teeth. Am J Esthet Dent 2013;3:38–50. doi: 10.11607/ajed.0053

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