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   Offical Journal of The Academy of Osseointegration

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Volume 24 , Issue 5
September/October 2004

Pages 462469

Light Transmission of Posts and Cores Used for the Anterior Esthetic Region

Konstantinos X. Michalakis, DDS, PhD/Hiroshi Hirayama, DDS, DMD, MS, FACP/John Sfolkos, CDT/Konstantinos Sfolkos, CDT

PMID: 15506027
DOI: 10.11607/prd.00.0599

Restoration of endodontically treated teeth is a routine procedure in everyday clinical practice. Placement of posts and cores is often required for replacement of the missing coronal aspect of teeth. Use of traditional post-and-core systems (gold and titanium) in conjunction with all-ceramic restorations results in poor esthetics because of the reflection and lack of light transmission. For a highly esthetic outcome, there is a need to use a material that transmits and refracts light in much the same manner as a natural tooth. The purpose of this study was to clinically evaluate the light transmission of a (1) ceramic post (Celay), (2) polyester post reinforced with zirconium fibers (Snowlight), and (3) zirconia post (Cosmopost), in comparison with a cast-metal post and core covered with opaque porcelain (control). The light transmission of these systems when used in conjunction with IPS Empress all-ceramic crowns was evaluated. (Int J Periodontics Restorative Dent 2004;24:462469.)

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