Int J Stomatol

Int J Stomatol ›› 2025, Vol. 52 ›› Issue (2): 169-175.doi: 10.7518/gjkq.2025033

• Materials • Previous Articles     Next Articles

Zirconia ceramics in dental restoration: evaluation and solutions for low-temperature degradation

Bo Huang(),Jian Wang(),Xin Zhang   

  1. State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Dept. of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
  • Received:2024-03-15 Revised:2024-09-18 Online:2025-03-01 Published:2025-03-01
  • Contact: Jian Wang E-mail:huangbo0@stu.scu.edu.cn;fero@scu.edu.cn
  • Supported by:
    Research and Development Program of West China Hospital of Stomatology, Sichuan University(RD-03-202107)

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Abstract:

Zirconia ceramics, which have unique phase transformation toughening capabilities, have garnered widespread attention for their excellent mechanical properties, biocompatibility, chemical stability, and optical characteristics. However, their phase transformation toughening ability is a limitation in clinical applications, affecting the potential for long-term use due to low-temperature degradation (LTD). LTD not only severely affects the mechanical properties of the material but also has adverse effects on aesthetics by changing the translucency and color. This article delves into the key factors influencing LTD, including dopant types as well as content, grain size, and residual stress. Moreover, this article reviews strategies for evaluating and mitigating LTD in zirconia ceramics, providing new perspectives for the development of dental zirconia.

Key words: dental restoration, monolithic zirconia crowns, low temperature degradation, aesthetic appeal, yttria, dopant, residual stresses, additive manufacture

CLC Number: 

  • R783.1

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