Valian
// Prosthodontics · D6750

Are the anchor crowns on a bridge covered by insurance?

Usually yes, as a major service at around 50%, and each one is billed as its own crown. A bridge anchor crown (code D6750, porcelain over a precious metal base) is the crown cemented onto a natural tooth next to the gap so the bridge has something to hold on to. Plans treat it like any crown on that tooth, clock included.

50%

Major, counts as a crown on that tooth

2 per bridge

Most bridges have two anchor crowns, one each side of the gap, each with its own tooth number and claim line. Bill them as one and the claim bounces.

5 to 10 year clock

A regular crown (D2750) on that tooth inside the window blocks the retainer, and a blocked retainer can sink the whole bridge claim.

Healthy tooth test

Some plans only pay for a retainer crown if the anchor tooth needed a crown anyway. X-rays showing decay or a big old filling carry the claim.

Half the max, fast

Two retainers plus a pontic at 50% usually spends the whole annual maximum. The check shows what is left so you can quote the real out-of-pocket before the estimate.

// Try it · sample plans, your numbers

What would a real check show for this patient's D6750?

Pick a sample plan and type your per-retainer crown fee. This is the visibility a real-time check gives the desk for every actual patient, in under a second.

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Eligibility readout · D6750

Sample
Coverage
Active, major covered at 50%
Frequency
One crown per tooth / 5 years
Patient share
Type your fee to see it

Estimate from a sample plan. A real check reads the actual plan in under a second.

When D6750 is the right code

  • A crown on a natural tooth beside the gap
  • It holds up a pontic as part of a bridge
  • Porcelain outside, precious metal base underneath
  • The tooth is natural, not an implant post

Documentation payers expect

X-rays of the anchor tooth showing why it needs a crown, the tooth number on its own claim line, and the date of any prior crown on that tooth. Send it with the pre-treatment estimate for the whole bridge.

D6750 or its neighbors?

D6750
Anchor crown on a bridge, precious metal base
D2750
Same crown, standing alone, no bridge
D6240
The replacement tooth the anchors hold
D6752
Anchor crown, noble metal base

Picking the wrong neighbor is its own denial category. The chart decides, not the schedule.

Why bridge anchor crowns get denied

A crown paid on that tooth inside the 5 to 10 year window. Retainers count as crowns in the tooth's history, whoever placed the earlier one.
The anchor tooth looked healthy. Some plans will not pay to crown a sound tooth just to hold a bridge; X-rays showing decay or a large old filling are what carry it.
Missing tooth clause on the pontic. When the plan excludes the gap, some plans deny the retainers too, and others pay them only if the tooth needed a crown on its own.
Downgraded to a base-metal retainer (D6751) as an alternate benefit. The plan pays the cheaper fee and the patient owes the rest unless it was quoted.

What happens after the anchor crowns

The two retainers plus the pontic (D6240) land in one plan year, and at 50% they usually use every dollar of the annual maximum. Anything else that patient needs, a filling (D2392) or a crown on another tooth, waits until the next plan year. The anchor teeth now carry a crown date in the plan's history, so a new crown on either one is usually not payable again for 5 to 10 years. Pulling the remaining maximum before the estimate is how the desk says all of that calmly, once.

D6750, quick answers

Does insurance cover the crowns that hold a bridge?

Most plans cover D6750 retainer crowns as major work at around 50%, one claim line per anchor tooth, after the deductible.

Does a retainer crown count against the crown frequency?

Yes. It goes into that tooth's crown history, so a crown paid in the last 5 to 10 years on the same tooth usually blocks it.

Will the plan pay to crown a healthy anchor tooth?

Not always. Some plans require the anchor tooth to need a crown on its own, so X-rays showing decay or a large old filling matter.

What if the plan denies the pontic under the missing tooth clause?

Some plans then deny the retainers too. Others pay the retainers as crowns if each tooth qualifies on its own. Ask that question before treatment.

How should a three-unit bridge be billed?

Three lines: D6750 on each anchor tooth number and D6240 for the gap. One lump line for the bridge gets returned.

More questions? Schedule 15 minutes with us and bring your toughest plan.

Every anchor tooth, crown history checked before the bridge.

First month free, then $2.50 a check. No seat fees, no contract.

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Related: D6240 · D2750

CDT is maintained by the American Dental Association. This page is Valian's own plain-English summary for front-desk teams, not official CDT descriptor text, and is not billing or clinical advice. Coverage patterns are common plan behaviors; every plan differs. Verify benefits before treatment.