What D2722 means

D2722 covers a crown — resin with noble metal. "D" is dental, "27" is the crowns group, and "22" is this resin-with-noble-metal crown. Like the other resin-with-metal crowns (D2720 high noble, D2721 base metal), it has a two-part construction: a metal substructure (inner core for strength) covered with tooth-colored resin (for aesthetics). The difference is the metal: this uses 'noble metal' — alloys with a moderate content of noble metals (gold, platinum, palladium) — which is the middle category, between the premium high noble metal and the economical predominantly base metal.

Noble metals offer good biocompatibility and properties (better than base metals in these respects, though with less noble metal content than high noble alloys), at a cost between the high noble and base metal options.

The resin-with-metal crown codes are by metal type: high noble (D2720), predominantly base metal (D2721), and noble metal (D2722, this one). The noble-metal version is the middle option — offering noble metal's biocompatibility and properties at a moderate cost, with a tooth-colored resin surface. Like other resin-over-metal crowns, the resin veneer is tooth-colored but generally less durable than porcelain. Coverage is under major restorative benefits, often around 50 percent, with frequency limits; the noble metal content can affect the fee.

When it's typically used

D2722 is reported for a full-coverage crown with a noble-metal (moderate noble metal content) substructure covered with tooth-colored resin — used when a crown combining metal strength and good biocompatibility with a tooth-colored appearance is wanted, with noble metal as a middle-ground substructure between high noble and base metal.

How much does D2722 cost?

A resin-with-noble-metal crown is a significant fee, often roughly 750 to 1,400 USD depending on region and the metal market (the noble metal content affects the cost and varies with metal prices) — between the base-metal version (more economical) and the high-noble version (premium). It combines noble metal's properties with a tooth-colored resin surface.

Is D2722 covered by insurance?

Covered under major restorative benefits, often around 50 percent, with frequency limits (e.g., once per tooth per several years, often 5+ years). The noble metal content affects the fee, and some plans may cover it at a base-metal rate (paying toward the less-expensive metal, with the patient covering the difference for the noble metal). Documentation supports the claim. Verifying how the plan handles the metal type helps anticipate the cost.

Noble metal as the middle option

Noble metal is the middle metal substructure option, and understanding this clarifies the resin-with-noble-metal crown's position.

The dental metal categories — high noble (premium, high noble content), noble (moderate noble content), and predominantly base metal (economical, non-noble) — form a spectrum of properties and cost. Noble metal sits in the middle: it contains a moderate content of noble metals (gold, platinum, palladium), offering good biocompatibility and corrosion resistance (better than base metals, which contain no noble metals), though with less noble metal content than the premium high noble category. So a noble-metal substructure provides good metal properties — biocompatibility, corrosion resistance, strength — at a cost between the economical base metal and the premium high noble metal. The resin-with-noble-metal crown uses this middle-option substructure with a tooth-colored resin veneer.

Noble metal's middle position makes it a balanced choice — offering better biocompatibility and properties than base metal (without base metal's potential nickel-sensitivity concern, depending on the alloy) while being more economical than high noble metal. For patients wanting good metal properties without the premium cost of high noble metal, the noble metal option provides a middle ground. The dentist determines whether a noble-metal substructure suits the tooth, weighing its properties and cost. For patients, understanding that noble metal is the middle option — offering good biocompatibility and properties at a moderate cost, between economical base metal and premium high noble metal — clarifies the resin-with-noble-metal crown's position. It provides a balanced metal substructure with a tooth-colored surface. The dentist considers whether the noble-metal option is appropriate, balancing properties and cost. Understanding noble metal as the middle option helps patients see where the resin-with-noble-metal crown fits among the metal-substructure options — as a balanced choice offering good metal properties at a moderate cost, between the economical base-metal and premium high-noble-metal versions, with a tooth-colored resin surface.

The three metal categories explained

Understanding the three dental metal categories clarifies the choices among resin-with-metal (and other metal) crowns.

Dental metals (alloys) are classified by their noble metal content into three categories, which the CDT codes distinguish. Noble metals are gold, platinum, and palladium (and a few others) — valued for being biocompatible, corrosion-resistant, and not tarnishing. The categories are: High noble metal — alloys with a high content of noble metals (high gold/platinum/palladium content), the premium category, with excellent biocompatibility and corrosion resistance, but the most expensive. Noble metal — alloys with a moderate content of noble metals, offering good biocompatibility and properties, at a moderate cost (the middle category). Predominantly base metal — alloys made mostly of non-noble (base) metals (nickel-chromium, cobalt-chromium), the most economical, strong but generally less biocompatible than noble metals, with a potential nickel-sensitivity consideration for some patients.

These categories matter because the metal's properties (biocompatibility, corrosion resistance, and to some extent how it works for the restoration) and cost vary by category. Noble metals (high noble and noble) are generally favored for their biocompatibility and corrosion resistance for long-term restorations in the mouth, while base metals offer economy. The CDT codes for metal-containing crowns (resin-with-metal, porcelain-fused-to-metal, cast metal) distinguish these categories, allowing the appropriate metal to be specified. For patients, understanding the three metal categories — high noble (premium, biocompatible), noble (middle), and predominantly base metal (economical, less biocompatible) — clarifies the metal choices for crowns. The category affects the crown's biocompatibility, properties, and cost. The dentist recommends the appropriate metal category for the tooth, considering biocompatibility, any sensitivities, and cost. Understanding the categories helps patients make sense of the metal options for their crown and why a particular metal type might be chosen, balancing the metal's properties (favoring noble metals for biocompatibility) against the cost (base metal being the most economical), with the noble metal category offering a middle ground.

Biocompatibility and the metal choice

Biocompatibility is an important factor in the metal choice, and understanding it clarifies why noble metals are valued.

Biocompatibility refers to how well a material is tolerated by the body's tissues — an important consideration for a dental restoration that remains in the mouth, in contact with the gums and oral tissues, for years. Noble metals (high noble and noble) are valued for their excellent biocompatibility — they're well-tolerated, don't corrode or tarnish (noble metals resist corrosion), and don't typically cause sensitivity reactions. This makes them well-suited for long-term restorations in the mouth, with a low risk of adverse tissue reactions. Base metals, while widely used, are generally considered somewhat less biocompatible — and some base metals, particularly nickel (in nickel-chromium alloys), can cause allergic or sensitivity reactions in susceptible patients (nickel allergy is relatively common), which is a consideration. So the biocompatibility of the metal is a factor, with noble metals (including the noble metal of this crown) offering excellent biocompatibility.

This biocompatibility advantage is part of why noble metals (high noble and noble) are favored for restorations, especially for patients where biocompatibility is a priority or who have metal sensitivities. The noble metal substructure of this crown provides good biocompatibility, a benefit for the long-term restoration. For a patient with a known nickel allergy, a noble (or high noble) metal crown avoids the nickel of base-metal alloys. The dentist considers biocompatibility (and any known sensitivities) in recommending the metal. For patients, understanding that biocompatibility — how well the metal is tolerated by the body — is an important factor, with noble metals offering excellent biocompatibility and base metals being somewhat less biocompatible (with a nickel-sensitivity consideration) clarifies why noble metals are valued. The noble metal of this crown provides good biocompatibility. The dentist weighs biocompatibility (and sensitivities) in the metal choice. Understanding the biocompatibility factor helps patients appreciate why a noble-metal substructure might be chosen — for its good biocompatibility for the long-term restoration, avoiding base metal's potential sensitivity concerns — as part of the consideration of the metal's properties versus cost for their crown.

Choosing among the metal-substructure crowns

Choosing among the metal-substructure crown options involves weighing properties and cost, and understanding this clarifies the decision including the noble metal option.

The metal-substructure crown options (high noble, noble, base metal) involve weighing the metal's properties (biocompatibility, corrosion resistance) against the cost. High noble metal: the premium, most biocompatible and corrosion-resistant, but the most expensive — chosen when the premium properties are prioritized or for patients with metal sensitivities favoring high noble. Noble metal: the middle option, offering good biocompatibility and properties at a moderate cost — a balanced choice for good metal properties without the premium cost. Predominantly base metal: the most economical, strong, but less biocompatible (with a nickel-sensitivity consideration) — chosen for economy when biocompatibility concerns are minimal. So the choice balances the metal's biocompatibility and properties (favoring noble metals) against the economy (favoring base metal), with noble metal as the middle ground.

Factors in the choice include the priority on biocompatibility (noble metals better), any known metal sensitivities (favoring noble metals, avoiding base metal's nickel), the tooth's needs, the budget (base metal most economical), and insurance coverage (often toward a base-metal rate, so noble or high noble may involve paying the difference). The dentist recommends the appropriate metal, weighing these factors. The noble metal option suits patients wanting good biocompatibility and properties at a moderate cost — a middle ground. For patients, understanding that choosing among the metal-substructure crowns weighs the metal's properties (biocompatibility, favoring noble metals) against the cost (base metal most economical) — with noble metal as the balanced middle option — clarifies the decision. The dentist considers biocompatibility, sensitivities, the tooth's needs, and cost. Understanding the choice helps patients see why a noble-metal (or other) substructure might be chosen for their crown, balancing the metal's biocompatibility and properties against the cost, with the noble metal offering a middle-ground option of good properties at a moderate cost, all with a tooth-colored resin surface.

Frequently asked questions

What is the D2722 dental code?

It's a crown made of resin with noble metal — a crown with a noble-metal (moderate noble metal content) substructure covered with tooth-colored resin. It's the middle metal-substructure option, between high noble metal (premium) and base metal (economical).

What is 'noble metal'?

Alloys with a moderate content of noble metals (gold, platinum, palladium) — the middle dental metal category. It offers good biocompatibility and corrosion resistance (better than base metals) at a moderate cost (less than high noble metal), making it a balanced option.

What are the three metal categories?

High noble metal (premium, high noble content, most biocompatible, priciest), noble metal (moderate content, good properties, middle cost), and predominantly base metal (non-noble, economical, less biocompatible, with a nickel-sensitivity consideration). They differ in properties and cost.

Why does biocompatibility matter?

A crown stays in the mouth in contact with tissues for years, so how well the metal is tolerated matters. Noble metals (including this one) offer excellent biocompatibility and resist corrosion. Base metals are somewhat less biocompatible, with nickel potentially causing sensitivity in some patients.

How much does a resin-with-noble-metal crown cost?

Often around 750 to 1,400 USD depending on the metal market (the noble metal content affects the cost), between the base-metal version (more economical) and the high-noble version (premium). Insurance may cover it at a base-metal rate.

When is the noble-metal option chosen?

When good biocompatibility and metal properties are wanted at a moderate cost — a middle ground between the premium high noble metal and the economical base metal. It suits patients wanting good properties without the premium high-noble cost, with a tooth-colored resin surface.

This page is an independent, plain-language explanation for general information only. It is not billing, coding, or clinical advice. For the official CDT descriptor and current-year wording, refer to the American Dental Association.