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Case Study
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Restoration of an Endodontically Treated Incisor Using Zirconium Oxide Post and Core Systems

A Case Study

Learning Objectives:

This study describes a technique for the restoration of an endodontically treated anterior tooth utilizing a zirconium oxide post and core system with an all-ceramic crown. Upon reviewing this study, the reader should have:

  • An understanding of the five individual requisites necessary for the adequate restoration of an endodontically treated tooth.
  • A comprehensive overview of the indications and preparation parameters for the utilization of a zirconium oxide post and core system.


The utilization of ceramic restorations to improve anterior aesthetics has dramatically increased due to their enhanced translucency. The underlying dentin of endodontically treated teeth is, however, often stained. In affected teeth, the coronal aspect of the tooth must be replaced, discolorations caused by pulpal necrosis must be counteracted, and support must be obtained from the root. This article presents the use of a contemporary post and core system for the restoration of endodontically treated anterior teeth. 

The use of a zirconium oxide post can provide a suitable option for the restoration of endodontically treated teeth. This therapeutic modality satisfies material requisites for masking underlying discolorations while simultaneously using a highly translucent all-ceramic material for the definitive crown restoration to ensure aesthetics postoperatively. The definitive result is indistinguishable from the adjacent natural teeth. 


*Private practice, North Harrow, United Kingdom


Related Reading:

  1. Chalifoux PR. Restoration of endodontically treated teeth: Review, classification, and post design. Pract Periodont Aesthet Dent 1988;10(2):247-254.
  2. Schweiger M, et al. Microstructure and properties of a pressed glass-ceramic core to a zirconia post. QDT 1998;21:73-79.
  3. Ichikawa Y, Akagawa Y, Nikai H, Tsuru H. Tissue compatibility and stability of a new zirconia ceramic in vivo. J Prosthet Dent 1992;68(2):322-326.
  4. Ahmad I. Yttrium-partially-stabilised zirconium dioxide (YPSZ): An approach to restoring coronally compromised non-vital teeth. Int J Periodont Rest Dent 1998;18(5):455-465.
  5. Mendoza DB, Eakle WS. Retention of posts cemented with various dentinal bonding cements. J Prosthet Dent 194;72(6):591-594.
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