D6123 Dental Code: Fixed Partial Denture Retainer – Cast Noble Metal
The D6123 dental code, as defined by the American Dental Association (ADA), refers to a fixed partial denture retainer made of cast noble metal. This code is used when a dental crown or retainer (abutment) for a dental bridge is fabricated using high-quality noble metals such as gold, platinum, or palladium alloys.
Fixed partial dentures (FPDs), commonly known as dental bridges, are prosthetic devices used to replace missing teeth by anchoring artificial teeth (pontics) to adjacent natural teeth or implants.
Why is D6123 Important?
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Durability: Noble metals are highly resistant to corrosion and wear.
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Biocompatibility: They are well-tolerated by gum tissues, reducing allergic reactions.
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Precision Fit: Cast noble metal crowns provide excellent marginal adaptation.
This article will explore the clinical applications, procedural steps, cost factors, and comparisons with other dental codes to help dentists, lab technicians, and patients understand the value of D6123 dental code restorations.
2. Understanding Fixed Partial Dentures (FPDs) and Their Components
A fixed partial denture (FPD) consists of:
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Pontic(s): The artificial tooth/teeth replacing the missing ones.
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Retainers: Crowns placed on abutment teeth to support the bridge (coded under D6123 when noble metal is used).
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Connectors: The joints between pontics and retainers.
Types of FPDs
| Type | Description |
|---|---|
| Traditional FPD | Uses natural teeth as abutments (D6123 applies here). |
| Cantilever FPD | Supported by an abutment on only one side. |
| Maryland Bridge | Uses a metal or ceramic wing for minimal tooth preparation. |
| Implant-Supported FPD | Uses dental implants instead of natural teeth. |
The D6123 code is specific to traditional FPD retainers made of noble metal, distinguishing it from other materials like porcelain-fused-to-metal (PFM) or zirconia.
13. FAQs on the D6123 Dental Code
Q1: What is the difference between D6123 and D6740?
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D6123: Noble metal retainer for a fixed bridge.
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D6740: Retainer made of high-noble ceramic (e.g., zirconia).
Q2: How long does a D6123 crown last?
With proper care, noble metal crowns can last 15-30 years, outperforming many other materials.
Q3: Is D6123 covered by insurance?
Most insurance plans cover a portion, but noble metal restorations may have higher out-of-pocket costs due to material expenses.
14. Conclusion
The D6123 dental code represents a high-quality, long-lasting solution for fixed partial denture retainers using noble metals. Its durability, biocompatibility, and precision make it a preferred choice for many restorative cases. Dentists should educate patients on its benefits, and labs must ensure precise fabrication for optimal results.
15. Additional Resources
