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Chinese Journal of Stomatological Research(Electronic Edition) ›› 2025, Vol. 19 ›› Issue (05): 346-350. doi: 10.3877/cma.j.issn.1674-1366.2025.05.009

• Review • Previous Articles    

Advances in surface treatment techniques for enhancing the bond strength between veneering porcelain and zirconia

Kang Dai, Yu Liu, Po Wu, Ting Zhang, Shuyong Yang()   

  1. Department of Stomatology, The General Hospital of Western Theater Command, Chengdu 610083, China
  • Received:2025-04-28 Online:2025-10-01 Published:2025-10-22
  • Contact: Shuyong Yang
  • Supported by:
    Medical Research Project of Chengdu(2024085)

Abstract:

Zirconia ceramics are widely used in the field of dentistry. However, to achieve optimal esthetics, zirconia is typically layered with translucent veneering porcelain due to its opaque appearance. Owing to the weak bond between zirconia ceramic core and veneer, chipping and delamination of the veneering ceramic are the most frequent reasons for failure of zirconia-based restorations. Therefore, to promote the long-term success of zirconia restorations, the bond strength between the core and veneer must be strengthened. This review analyzes the causes of the high chipping rate in zirconia-based restorations and summarizes surface treatment techniques including air abrasion, laser etching, hot acid etching, liner, plasma treatment, etc.

Key words: Zirconia, Dental porcelain, Bond strength, Surface treatment

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