What D7310 means

D7310 covers alveoloplasty in conjunction with extractions, for four or more teeth or tooth spaces per quadrant. "D" is dental, "73" is the oral surgery group, and "10" is this code. Alveoloplasty is the surgical contouring of the alveolar ridge — the bone that held the teeth. After multiple extractions, the ridge can be left with sharp edges, bumps, or undercuts, and alveoloplasty smooths it into an even shape.

The main reason to reshape the ridge is to create a smooth, comfortable foundation for a denture. An uneven ridge causes denture sore spots and poor fit, so smoothing it at the time of extraction sets up a better-fitting prosthesis. D7310 specifically applies when it's done along with the extractions and involves four or more teeth or spaces in a quadrant.

The alveoloplasty codes vary by two factors: whether extractions are done at the same time, and how many teeth/spaces are involved. D7310 is with extractions, four or more; D7311 is with extractions, one to three; D7320 and D7321 are the without-extractions versions. Importantly, minor, incidental bone smoothing during a routine extraction is considered part of that extraction and isn't separately billed as alveoloplasty.

When it's typically used

D7310 is reported when significant ridge reshaping is done together with extracting four or more teeth (or in four or more spaces) in a quadrant — typically to prepare a smooth, even bony foundation for a denture.

How much does D7310 cost?

Alveoloplasty with extractions is a moderate surgical fee per quadrant, often roughly 250 to 500 USD per quadrant, on top of the extraction fees, which are billed separately. Costs rise with the number of quadrants treated.

Is D7310 covered by insurance?

Covered under oral surgery benefits when it's a distinct, significant procedure beyond routine extraction, often around half after the deductible. A key rule: incidental bone smoothing during an extraction isn't separately billable — the alveoloplasty must be substantial reshaping to justify D7310. Documentation supports the claim.

Why reshape the jaw ridge after extractions?

When several teeth are removed, the bone left behind isn't always smooth, and reshaping it serves a practical purpose — especially if dentures are coming.

After extractions, the alveolar ridge can have sharp bony edges, irregular high and low spots, or undercuts where bone juts out. If a denture is placed over an uneven ridge, those irregularities create pressure points that cause sore spots, instability, and poor fit. Alveoloplasty smooths and contours the bone into an even, rounded ridge that a denture can sit on comfortably and securely.

Doing this reshaping at the same time as the extractions is efficient — the area is already open and numb — and it sets up a better foundation from the start. For patients transitioning to full or partial dentures, a well-contoured ridge can be the difference between a denture that fits well and one that's a constant source of irritation.

Choosing the right alveoloplasty code (D7310 vs D7311 vs D7320)

There are four alveoloplasty codes, and picking the correct one comes down to two simple questions, which is worth understanding since miscoding causes denials.

The first question is whether extractions are done at the same time. If yes, it's D7310 or D7311; if the ridge reshaping is a standalone procedure with no extractions that day, it's D7320 or D7321. The second question is how many teeth or tooth spaces are involved in the quadrant: four or more uses D7310 (with extractions) or D7320 (without), while one to three uses D7311 (with) or D7321 (without).

So D7310 specifically means: with extractions, four or more teeth/spaces, per quadrant. Getting these two factors right — extraction status and tooth count — is what determines correct coding and clean reimbursement. Each quadrant is reported separately.

When alveoloplasty is (and isn't) a separate charge

A common billing point of confusion — and a frequent source of denied or disputed claims — is when ridge smoothing counts as a separate procedure versus part of the extraction.

The rule is that routine, minor bone smoothing that's an inherent part of removing a tooth is included in the extraction fee and isn't separately billable. Every surgical extraction involves a little bone management, and that's not alveoloplasty. D7310 applies when the ridge reshaping is a distinct, significant procedure — substantial recontouring beyond what the extractions themselves required, typically to prepare for a denture.

This distinction matters for both dentists and patients. Billing alveoloplasty for incidental smoothing during a single extraction can trigger a denial or audit. The documentation should make clear that meaningful, separate ridge contouring was performed across the quadrant, which is why D7310 is tied to four or more teeth or spaces — a scope that genuinely involves reshaping the ridge, not just one socket.

Alveoloplasty as a step toward dentures

For many patients, alveoloplasty is one stage in the larger journey from failing teeth to a comfortable denture, and seeing where it fits helps make sense of the treatment plan.

The typical sequence is: remaining teeth are extracted, the ridge is reshaped with alveoloplasty to create a smooth foundation, the gums and bone heal, and then a denture is fitted to the contoured ridge. When an immediate denture is planned, the alveoloplasty helps the denture seat well right away; when a conventional denture is planned, it sets up the ridge for impressions after healing.

It's worth remembering that the bone continues to remodel and shrink for months after extractions regardless, which is why denture relines are often needed during healing. Alveoloplasty gives the best possible starting shape, but the ridge keeps settling. Understanding this helps set realistic expectations: the reshaping optimizes the foundation, and the denture is adjusted as healing completes.

Frequently asked questions

What is the D7310 dental code?

It's alveoloplasty (surgical reshaping of the jaw ridge) done together with extracting four or more teeth or spaces in a quadrant, usually to prepare for a denture.

Why is the jaw ridge reshaped after extractions?

Multiple extractions can leave sharp edges and uneven bone. Smoothing it into an even ridge creates a comfortable, stable foundation for a denture and prevents sore spots.

What's the difference between D7310 and D7311?

Both are alveoloplasty with extractions. D7310 is for four or more teeth/spaces in a quadrant; D7311 is for one to three.

How much does D7310 cost?

Often around 250 to 500 USD per quadrant, on top of the separate extraction fees. More quadrants increase the total.

Is alveoloplasty always a separate charge?

No. Minor bone smoothing that's part of a routine extraction is included in the extraction fee. D7310 applies only to significant, separate ridge reshaping.

Does insurance cover D7310?

Often under oral surgery benefits when it's a distinct, substantial procedure, around half after the deductible, with documentation.

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.