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Zirconia for Full Arch Restorations

Kanmani A.*, Narasimman M.**, Venkatakrishnan C. J.***, Rathinavel Pandian M.****, Tamizhesai B.*****, Navinbharathy M.******

*-****** Department of Prosthodontics & Crown and Bridge, Tagore Dental College and Hospital, Rathinamangalam, Chennai, Tamil Nadu, India.

Periodicity:July - December'2023
DOI : https://doi.org/10.26634/jidat.14.1.20245

Abstract

Zirconia is a popular material in dentistry for full arch restorations due to its excellent mechanical properties, biocompatibility, and aesthetic appeal. It is a strong and durable ceramic material that resists fractures, making it ideal for full arch restorations. Its biocompatibility minimizes irritation to surrounding tissues and promotes oral health. Moreover, zirconia's tooth-colored appearance closely resembles natural teeth, improving the overall esthetics of the restoration.Zirconia full arch restorations are fabricated using a combination of CAD/CAM technology and conventional techniques. A digital impression of the patient's arch is taken, which is used to design the restoration using specialized software. The design is then converted into a physical model through milling or 3D printing, and the zirconia framework is customized to fit the patient's arch.Zirconia offers exceptional strength for full arch restorations, allowing for thin and lightweight yet durable restorations. This minimizes the need for aggressive tooth reduction, preserving natural tooth structure. Additionally, zirconia's resistance to chipping and wear ensures longevity and reduces the risk of restoration failure.When using zirconia for full arch restorations, certain considerations are necessary. Zirconia's high rigidity and limited flexibility can transmit excessive forces to supporting teeth or implants, risking fractures or implant failure. Evaluating occlusion and functional movements is crucial to avoid such issues. Moreover, zirconia's opacity may make achieving optimal esthetics challenging, especially in cases with thin or translucent gingival tissues.Zirconia is a promising material for full arch restorations, providing excellent mechanical properties, biocompatibility, and esthetic appeal. Its combination with CAD/CAM technology enables precise customization and efficient fabrication. However, successful outcomes require careful case selection, occlusal considerations, and attention to esthetic factors. Ongoing research and advancements in zirconia technology are anticipated to further improve its suitability and broaden its application in full arch restorations.

Keywords

Zirconia, Full Arch Restorations, Dental, Material, Mechanical Properties, Biocompatibility, Esthetics, CAD/CAM Technology, Customization, Fabrication, Occlusal Considerations.

How to Cite this Article?

Kanmani, A., Narasimman, M., Venkatakrishnan, C. J., Pandian, M. R., Tamizhesai, B., and Navinbharathy, M. (2023). Zirconia for Full Arch Restorations. Journal of the Indian Dental Association Tamil Nadu, 14(1), 11-18. https://doi.org/10.26634/jidat.14.1.20245

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