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Volume 23 , Issue 3
May/June 2010

Pages 214–216

A Preliminary Study on the Short-Term Efficacy of Chairside Computer-Aided Design/Computer-Assisted Manufacturing– Generated Posterior Lithium Disilicate Crowns

Sven Reich, Priv Doz, Dr Med Dent/Sören Fischer, DDS/Bernhard Sobotta, Dr Med Dent, MOM/Horst-Uwe Klapper, Dr Med Dent/Stephan Gozdowski, DDS

PMID: 20552085

The purpose of this preliminary study was to evaluate the clinical performance of chairside-generated crowns over a preliminary time period of 24 months. Forty-one posterior crowns made of a machinable lithium disilicate ceramic for full-contour crowns were inserted in 34 patients using a chairside computer-aided design/computer-assisted manufacturing technique. The crowns were evaluated at baseline and after 6, 12, and 24 months according to modified United States Public Health Service criteria. After 2 years, all reexamined crowns (n = 39) were in situ; one abutment exhibited secondary caries and two abutments received root canal treatment. Within the limited observation period, the crowns revealed clinically satisfying results. Int J Prosthodont 2010;23:214–216.

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