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Overcasting to repair a fractured porcelain fixed partial denture
1Department of Oral Rehabilitation, Tel Aviv University, Maurice and Gabriela Goldschleger School of Dental Medicine, Ramat Aviv, 69978 Tel Aviv, Israel.
Quintessence International (Berlin, Germany : 1985)
|September 14, 2010
Summary
Fractured porcelain facings on multiunit dental prostheses can be repaired using a novel porcelain-fused-to-metal overcasting technique. This method offers a durable alternative to traditional silane coupling systems for long-span restorations.
Area of Science:
- Dental Materials Science
- Prosthodontics
- Restorative Dentistry
Background:
- Long-span, permanently cemented, multiunit prostheses are susceptible to porcelain facing fractures.
- Existing repair methods like silane coupling systems may not provide durable, long-lasting results.
Purpose of the Study:
- To present an alternative, durable repair technique for fractured porcelain facings on multiunit prostheses.
- To address the clinical challenges and aesthetic concerns associated with such fractures.
Main Methods:
- A novel technique utilizing a porcelain-fused-to-metal (PFM) overcasting was developed.
- The PFM overcasting is luted to the original metal casting of the prosthesis.
- Composite resin cement is used in conjunction with the overcasting.
Main Results:
- The presented overcasting technique offers a potentially more robust and long-lasting solution compared to conventional repair methods.
- This approach aims to restore both the function and aesthetics of the damaged prosthesis.
Conclusions:
- The porcelain-fused-to-metal overcasting technique provides a viable and potentially superior alternative for repairing fractured porcelain facings on long-span, multiunit prostheses.
- This method addresses the limitations of simpler repair systems, offering improved longevity and clinical outcomes.
