Are there any specific patient conditions that contraindicate the use of D6121?

Patients with insufficient bone density or those with certain medical conditions affecting bone healing may not be suitable candidates for this procedure.

How does D6121 differ from traditional tooth-supported retainers?

D6121 relies on an implant for support, providing greater stability and durability compared to traditional retainers that depend on adjacent teeth.

Can D6121 be used for both anterior and posterior teeth?

Yes, D6121 can be used for both anterior and posterior teeth, provided there is adequate bone support for the implant.

What materials are typically used for the metal retainer in D6121?

The metal retainer is predominantly made from base metal alloys, chosen for their strength and biocompatibility.

D6121

Implant Supported Retainer - CDT Code Guide

Implant Services/Fixed Partial Denture (FPD) Retainer, Implant Supported

Overview

CDT Code D6121 refers to an implant-supported retainer for a fixed partial denture (FPD) predominantly made from base metal alloys. This procedure involves the placement of a metal retainer that is supported by an implant, providing retention, support, and stability for a fixed partial denture. Typically, this procedure is used when a patient requires a durable and stable solution for missing teeth, especially when traditional tooth-supported retainers are not viable. The implant-supported retainer is crucial in scenarios where the patient has sufficient bone structure to support an implant, ensuring long-term success and functionality of the prosthetic solution.

When to Use This Code

When a patient has missing teeth and requires a fixed partial denture with implant support.
In cases where traditional tooth-supported retainers are not feasible due to lack of suitable abutment teeth.
When the patient has sufficient bone density to support an implant.
For patients seeking a durable and stable dental prosthetic solution.
In scenarios where aesthetic and functional restoration is necessary.

Documentation Requirements

Detailed patient history and diagnosis supporting the need for an implant-supported retainer.
Radiographic evidence of sufficient bone structure to support the implant.
Comprehensive treatment plan outlining the procedure and expected outcomes.
Documentation of patient consent and understanding of the procedure.
Record of the type of base metal alloy used in the retainer.
Post-operative notes and follow-up care instructions.

Billing Considerations

When billing for D6121, ensure that the procedure is not performed more frequently than allowed by the patient's insurance plan. Common modifiers may include those indicating the quadrant or arch involved. It's important to verify coverage with the patient's insurance provider, as some plans may have specific requirements or limitations for implant-supported prosthetics.

Related CDT Codes

D6056 D6065 D6110 D6111 D6120

Frequently Asked Questions

The primary benefit is enhanced stability and support for the fixed partial denture, especially in cases where natural teeth cannot provide adequate support.

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