What D7720 means

D7720 covers the closed reduction of a maxilla fracture in the compound (open) fracture series. "D" is dental, "77" is this oral surgery (compound fracture treatment) group, and "20" is this maxilla closed reduction. The fracture codes have two parallel series: simple (closed) fractures (D7610-D7680) and compound (open) fractures (D7710-D7780). A compound (open) fracture is one where the broken bone is exposed — communicating with the mouth or the outside of the face (through a wound/break in the soft tissue/mucosa). D7720 is the compound-series counterpart of D7620 — the closed reduction of a maxillary fracture, but for a compound (open/exposed) fracture. 'Closed reduction' (the treatment approach) means the fracture is reduced WITHOUT a surgical incision — realigned by manipulation and stabilized by immobilizing the teeth/jaws (maxillomandibular fixation), as with D7620. (Note: the fracture is open/compound — exposed — but the treatment is closed reduction — no incision to reduce it.)

So it's realigning a fractured upper jaw — where the fracture is compound (the bone exposed) — without a surgical incision, while managing the open fracture (cleaning, antibiotics) — the closed reduction treatment, in the compound-fracture series.

The combination here is specific: a compound (open/exposed) maxillary fracture treated by closed reduction (no incision to realign it). Even though the fracture is open/exposed (requiring management of the contamination/infection risk — cleaning/debridement, antibiotics, soft tissue care), the reduction itself is done closed (realigning by manipulation and holding with maxillomandibular fixation, rather than surgically opening the area to reduce). This may apply when the open fracture can be adequately reduced and stabilized without a surgical reduction (e.g., the exposed fracture can be realigned by manipulation and held by immobilization), while still addressing the open/contaminated aspect. It's performed by an oral and maxillofacial surgeon, as part of trauma care. For the general open/compound fracture concept and its careful management, see D7710 (the open reduction of a compound maxillary fracture); D7720 is the closed-reduction version. Maxillofacial trauma typically involves medical insurance. Documentation supports the claim.

When it's typically used

D7720 is reported for treating a maxilla (upper jaw) fracture that is compound/open (the broken bone exposed to the mouth or outside) by closed reduction — realigning it without a surgical incision to reduce the fracture (manipulating it and immobilizing the teeth/jaws), while managing the open fracture (cleaning, antibiotics). It parallels D7620 but is in the compound-fracture series.

How much does D7720 cost?

Closed reduction of a compound maxillary fracture is a significant fee but less than the open reduction — often roughly 500 to 2,500+ USD for the procedure (fee schedules vary; some list around 800 USD), plus hospital/anesthesia, overall trauma care, and the management of the open/contaminated fracture (debridement, antibiotics). It's less than open reduction (D7710), reflecting the non-incision reduction. Medical insurance typically applies (maxillofacial trauma is a medical matter). Verify coverage with the medical insurer.

Is D7720 covered by insurance?

Maxillofacial fracture treatment typically involves medical insurance (trauma is a medical matter). Documentation of the fracture (the compound/open maxillary fracture — noting the bone exposure) and the closed reduction (realignment without a surgical incision, the teeth/jaw immobilization, plus the open-fracture management) supports the claim. It's distinguished from the open reduction (D7710) and from the simple-fracture maxilla codes (D7610/D7620). Coordination with the medical insurer applies. Verifying coverage helps.

Compound fracture, closed reduction

D7720 combines a compound fracture with a closed reduction, and understanding this clarifies the code.

What defines D7720 is the specific combination of a compound (open/exposed) fracture treated by closed reduction. These are two separate aspects: the fracture is compound/open — the broken maxilla is exposed (communicating with the mouth or outside through a break in the soft tissue), which is the more serious, contamination-prone fracture type (placing it in the compound series, D7710-D7780); and the reduction is closed — the fracture is realigned WITHOUT a surgical incision to reduce it (by manipulation and immobilization), rather than by open (surgical) reduction. So even though the fracture is open/exposed, the realignment is achieved closed (non-surgically).

This combination distinguishes D7720 from its neighbors: from D7710 (compound maxilla, OPEN reduction — the same compound fracture but realigned through a surgical incision with fixation); and from D7620 (SIMPLE maxilla, closed reduction — the same closed reduction approach but for a non-exposed fracture). So D7720 = compound fracture + closed reduction. Understanding this helps patients see that D7720 combines a compound (open/exposed) maxillary fracture with a closed reduction — two separate aspects: the fracture is compound/open (the broken bone exposed, the more serious, contamination-prone type, placing it in the compound series), and the reduction is closed (realigned without a surgical incision, by manipulation and immobilization) — so even though the fracture is exposed, the realignment is achieved non-surgically, distinguishing D7720 from D7710 (the same compound fracture but realigned open/surgically) and from D7620 (the same closed reduction but for a simple/non-exposed fracture).

Managing the open fracture

The open fracture still needs careful management, and understanding this clarifies the treatment.

Even though the reduction is closed, the fracture being compound (open/exposed) means it still requires the careful management an open fracture needs — because the exposed bone (communicating with the mouth's bacteria or the external environment) is contaminated and at risk of infection. So alongside the closed reduction, the management includes: cleaning and debridement — cleaning the wound/fracture site and removing any contaminated, devitalized, or foreign material; antibiotics — typically administering antibiotics to combat the contamination and prevent/treat infection; timely treatment — treating promptly to limit the contamination time; and soft tissue management — managing the soft tissue wound that exposed the bone (cleaning, appropriate repair/closure). So the open-fracture care accompanies the closed reduction.

The closed reduction itself realigns the fracture (by manipulation) and stabilizes it (by immobilizing the teeth/jaws — maxillomandibular fixation — holding the correct bite and the bone's position during healing). The goal is to reduce and stabilize the fracture while preventing infection (given the open nature). So D7720 combines the closed reduction with the open-fracture management. Understanding this helps patients see that even though the reduction is closed, the compound (open/exposed) fracture still requires careful management — because the exposed bone is contaminated and at infection risk, the care includes (alongside the closed reduction) cleaning and debridement, antibiotics, timely treatment, and soft tissue management — while the closed reduction realigns the fracture (by manipulation) and stabilizes it (by immobilizing the teeth/jaws to hold the bite and the bone's position) — with the goal of reducing and stabilizing the fracture while preventing infection given the open nature.

Closed reduction of the maxilla

The closed reduction realigns the maxilla without surgery, and understanding this clarifies the procedure.

The closed reduction in D7720 realigns the maxilla without a surgical incision — the same closed-reduction technique as for a simple maxillary fracture (D7620). It involves: manipulation — manipulating the jaw/bone (using the bite as a guide) to realign the fractured maxilla into its correct position, without surgically opening the area to access the bone directly; and immobilization — stabilizing the realigned position by immobilizing the teeth and jaws — commonly maxillomandibular fixation (MMF): wiring the upper and lower jaws together (with arch bars, wires, or other devices) so the jaws are held in the correct bite, which holds the fractured maxilla in its reduced position during healing.

The bite (occlusion) is central — establishing the correct bite positions the bone correctly, and the immobilization holds it. The teeth/jaws stay immobilized for the healing period (often several weeks), affecting eating (a liquid/soft diet), speaking, and oral hygiene, then the fixation is removed. So the closed reduction realigns and holds the maxilla non-surgically. Understanding this helps patients see that the closed reduction in D7720 realigns the maxilla without a surgical incision (the same technique as for a simple maxillary fracture, D7620) — manipulating the jaw/bone (using the bite as a guide) to realign the fractured maxilla, then immobilizing the teeth and jaws (commonly maxillomandibular fixation: wiring the jaws together to hold the correct bite and the bone's position during healing) — with the bite central, the immobilization staying for the healing period (often several weeks, affecting eating, speaking, and hygiene), and the fixation removed after healing.

Where D7720 fits in the codes

D7720 is the compound-maxilla closed reduction, and understanding this clarifies the coding.

D7720 fits in the systematic fracture-code structure (two series × bones × approaches): the series — compound (open) fractures (D7710-D7780); the bone — maxilla; and the approach — closed reduction. So D7720 = compound series, maxilla, closed reduction. Its neighbors: D7710 (compound maxilla, open reduction — the open counterpart), D7620 (simple maxilla, closed reduction — the simple-fracture counterpart of the same approach), and the other compound-series codes (mandible D7730/D7740, malar/zygomatic D7750/D7760, alveolus D7770/D7771, complicated D7780).

So the surgeon codes a maxillary fracture by: is it simple or compound (exposed)? — choosing the series (D7610-D7620 simple, D7710-D7720 compound); and open or closed reduction? — choosing within the series. For a compound maxillary fracture treated by closed reduction, D7720 is the code. Understanding this helps patients see that D7720 is the compound-series, maxilla, closed reduction code — fitting the systematic structure (two series × bones × approaches) — the open counterpart being D7710 (compound maxilla, open reduction) and the simple-fracture counterpart of the same approach being D7620 (simple maxilla, closed reduction), alongside the other compound-series codes (mandible D7730/D7740, malar/zygomatic D7750/D7760, alveolus D7770/D7771, complicated D7780) — so the surgeon codes a maxillary fracture by whether it's simple or compound (choosing the series) and open or closed reduction (within the series), selecting D7720 for a compound maxillary fracture treated by closed reduction.

Frequently asked questions

What is the D7720 dental code?

It's the closed reduction of a maxilla (upper jaw) fracture in the compound (open) fracture series — treating a fractured upper jaw, where the fracture is compound/open (the broken bone exposed to the mouth or outside), by realigning it WITHOUT a surgical incision (manipulating it and immobilizing the teeth/jaws). It parallels D7620 but is for an open/exposed fracture.

How is it different from D7710?

Both are for a compound (open/exposed) maxillary fracture, but D7720 is the closed reduction (realigning without a surgical incision, by manipulation and immobilization) while D7710 is the open reduction (realigning through a surgical incision with internal fixation). The difference is the reduction approach (closed vs open).

If the reduction is closed, why is it in the 'open fracture' series?

Because the series is defined by the FRACTURE being open/compound (the bone exposed), not the reduction approach. D7720 is a compound (open/exposed) fracture treated by closed reduction. So the fracture is open/exposed, but the realignment is done closed (without a surgical incision to reduce it).

What does the treatment involve?

Managing the open fracture (cleaning/debriding the contaminated site, antibiotics, soft tissue management) plus the closed reduction (realigning the maxilla by manipulation and immobilizing the teeth/jaws — maxillomandibular fixation — to hold the bite and the bone's position during healing). The jaws may be wired together for the healing period.

Why does the open/compound nature matter?

Because the exposed bone (communicating with the mouth's bacteria or the environment) is contaminated and at higher risk of infection (which can impair healing). So even with a closed reduction, the open fracture needs careful management — cleaning/debridement, antibiotics, and soft tissue care — alongside the reduction.

How much does it cost, and what insurance applies?

Often roughly 500 to 2,500+ USD for the procedure (less than the open reduction, D7710), plus hospital/anesthesia, overall trauma care, and management of the open fracture. Medical insurance typically applies (maxillofacial trauma is a medical matter). Verify coverage with the medical insurer.

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.