D7710

Maxilla — open reduction (compound/open fracture)

Code Summary

D7710 is the CDT code for the open reduction of a maxilla (upper jaw) fracture in the compound (open) fracture series — surgically treating a fractured upper jaw where the fracture is compound/open (the broken bone is exposed to the mouth or outside the face) by making an incision to access, realign (reduce), and fix it. It parallels D7610 (the simple-fracture maxilla open reduction) but is in the 'compound fracture' series (D7710-D7780), for fractures where the bone is exposed (a more contaminated, often more serious situation).

What D7710 means

D7710 covers the open reduction of a maxilla fracture in the compound (open) fracture series. "D" is dental, "77" is this oral surgery (compound fracture treatment) group, and "10" is this maxilla open reduction. The fracture codes have two parallel series: the simple-fracture series (D7610-D7680) and the compound/open-fracture series (D7710-D7780). A compound (open) fracture is one where the broken bone is exposed — communicating with the mouth or the outside of the face (e.g., through a wound or break in the soft tissue/mucosa) — as opposed to a simple (closed) fracture where the bone isn't exposed. D7710 is the compound-series counterpart of D7610 — the open reduction of a maxillary fracture, but for a compound (open/exposed) fracture. 'Open reduction' (the treatment approach) means a surgical incision is used to reduce the fracture (as with D7610).

So it's surgically realigning and fixing a fractured upper jaw where the fracture is compound (the bone exposed to the mouth/outside) — the open reduction treatment, in the compound-fracture series. (Note the two meanings of 'open' here: the fracture is open/compound — exposed — AND the treatment is open reduction — via a surgical incision.)

The compound (open) nature is significant: an open/compound fracture (with the bone exposed and the fracture communicating with the mouth or outside) is generally more serious than a closed one — there's a higher risk of contamination and infection (the bone exposed to oral bacteria or the external environment), and the injury may be more severe. So treating a compound fracture involves managing this — thorough cleaning/debridement, often antibiotics, and the fracture treatment (reduction and fixation) — with attention to the contamination/infection risk. The maxillary compound fracture is treated by open reduction (D7710) — surgically accessing, realigning, and fixing it, similar to D7610 but in the context of the open/compound fracture. It's performed by an oral and maxillofacial surgeon, in a hospital/surgical setting, as part of trauma care. The parallel codes in the compound series include D7720 (maxilla closed), D7730/D7740 (mandible), D7750/D7760 (zygoma), D7770/D7771 (alveolus), and D7780 (complicated). Maxillofacial trauma typically involves medical insurance. Documentation supports the claim.

When it's typically used

D7710 is reported for treating a maxilla (upper jaw) fracture that is compound/open (the broken bone exposed to the mouth or outside) by open reduction — a surgical incision to access, realign, and fix the fracture. It parallels D7610 but is in the compound-fracture series (for exposed fractures, which carry a higher contamination/infection risk). It's used for a compound maxillary fracture treated surgically.

How much does D7710 cost?

Open reduction of a compound maxillary fracture is major surgery with a significant cost — often roughly 1,000 to 5,000+ USD for the procedure (fee schedules vary; some list around 1,000 USD), plus hospital/anesthesia and overall trauma care, with the management of the open/contaminated fracture (debridement, antibiotics). Medical insurance typically applies (maxillofacial trauma is a medical matter). Verify coverage with the medical insurer.

Is D7710 covered by insurance?

Maxillofacial fracture treatment typically involves medical insurance (trauma is a medical matter), usually in a hospital setting. Documentation of the fracture (the compound/open maxillary fracture — noting the bone exposure) and the open reduction (the surgical incision, reduction, fixation, and management of the open fracture) supports the claim. It's distinguished from the simple-fracture maxilla codes (D7610/D7620) by the compound nature, and from the compound closed reduction (D7720). Coordination with the medical insurer (often with preauthorization) applies. Verifying coverage helps.

Compound (open) vs simple (closed) fractures

Compound and simple fractures differ by bone exposure, and understanding this clarifies the code.

The distinction between compound (open) and simple (closed) fractures separates the two fracture code series. A simple (closed) fracture is one where the broken bone is NOT exposed — the overlying soft tissue (skin/mucosa) is intact, so the fracture doesn't communicate with the outside or the mouth (the bone is enclosed). A compound (open) fracture is one where the broken bone IS exposed — the fracture communicates with the outside environment, through a break/wound in the overlying soft tissue (the skin or, in the mouth, the mucosa) — so the bone is exposed to the mouth or the outside of the face.

This distinction matters clinically because a compound (open) fracture is generally more serious: contamination/infection risk — the exposed bone (communicating with the bacteria-rich mouth or the external environment) is at higher risk of contamination and infection (which can impair healing — e.g., leading to osteomyelitis); injury severity — an open fracture often accompanies a more severe injury; and management — open fractures require additional management (cleaning/debridement, antibiotics). The two code series (simple D7610-D7680, compound D7710-D7780) reflect this distinction. Understanding this helps patients see that the distinction between compound (open) and simple (closed) fractures separates the two fracture code series — a simple (closed) fracture has the broken bone NOT exposed (the soft tissue intact), while a compound (open) fracture has the broken bone exposed (communicating with the mouth or outside through a break in the soft tissue) — a clinically important difference because a compound fracture is generally more serious (a higher contamination/infection risk, often a more severe injury, and requiring additional management like cleaning/debridement and antibiotics) — so the two series reflect this, with D7710 being a compound-series code.

Why open fractures are managed carefully

Open fractures need careful management, and understanding this clarifies the treatment.

Because the bone is exposed (to the mouth's bacteria or the external environment), an open fracture is contaminated and at risk of infection — so the management includes, alongside the fracture reduction/fixation: thorough cleaning and debridement — cleaning the wound and fracture site, and debriding (removing) any contaminated, devitalized, or foreign material; antibiotics — typically administering antibiotics (to combat the contamination and prevent/treat infection), often started promptly; timely treatment — treating open fractures in a timely manner (to reduce the exposure/contamination time); and soft tissue management — managing the associated soft tissue injury (cleaning, repairing/closing the wound appropriately).

The goal is to reduce and stabilize the fracture (restoring the anatomy/bite/function) while preventing infection (which an untreated/poorly managed open fracture is prone to, and which can seriously impair healing — e.g., osteomyelitis or non-union). Understanding this helps patients see that compound (open) fractures (like the maxillary fracture treated by D7710) need careful management of the contamination/infection risk — because the exposed bone (communicating with the mouth's bacteria or the environment) is contaminated, the management includes (alongside the fracture reduction/fixation) thorough cleaning and debridement, antibiotics, timely treatment, and soft tissue management — with the goal of reducing and stabilizing the fracture while preventing infection (which can seriously impair healing), so the open fracture is treated with extra care for the contamination.

Treating the compound maxillary fracture

The compound maxillary fracture is treated by open reduction plus open-fracture care, and understanding this clarifies the procedure.

Treating a compound maxillary fracture (D7710) combines: managing the open fracture — cleaning/debriding the contaminated fracture site, administering antibiotics, and managing the soft tissue wound; the open reduction — surgically accessing the fractured maxilla (through an incision), realigning the fracture into its correct position, and applying internal fixation (plates/screws) to stabilize it — the same open reduction as D7610, now in the context of the open/compound fracture; establishing the bite — restoring the correct occlusion (often with maxillomandibular fixation to set the bite); and closure/ongoing care — appropriately closing the soft tissue, and ongoing care (monitoring for infection, continued antibiotics as needed, follow-up).

The surgery is major maxillofacial surgery (in a hospital, under general anesthesia, by an oral and maxillofacial surgeon), as part of the trauma care. The goals are the same as any maxillary fracture (restoring the structure, bite, and function) plus preventing infection (given the open nature). Understanding this helps patients see that treating a compound maxillary fracture (D7710) combines the open reduction (and fixation) with the open-fracture management — managing the open fracture (cleaning/debriding the contaminated site, antibiotics, soft tissue management), performing the open reduction (surgically accessing the maxilla, realigning it, and applying internal fixation — the same as D7610 but in the open-fracture context), establishing the correct bite, and providing closure and ongoing care — as major maxillofacial surgery within the trauma care, aiming to restore the structure, bite, and function while preventing infection given the open nature.

The compound-fracture code series

D7710 is in the compound-fracture series, and understanding this clarifies the coding.

The two parallel series: simple fractures (D7610-D7680) — for simple (closed) fractures; compound/open fractures (D7710-D7780) — for compound (open) fractures. Within the compound series, the codes parallel the simple series by bone and approach: maxilla (D7710 open / D7720 closed) — paralleling D7610/D7620; mandible (D7730 open / D7740 closed) — paralleling D7630/D7640; malar/zygomatic arch (D7750 open / D7760 closed) — paralleling D7650/D7660; alveolus (D7770 open / D7771 closed) — paralleling D7670/D7671; and facial bones, complicated (D7780) — paralleling D7680. So the compound series mirrors the simple series, but for open/compound fractures. D7710 specifically is the compound-series maxilla open reduction.

So the surgeon codes a fracture by three factors: is it simple (closed) or compound (open)? — choosing the series; which bone?; and which approach (open or closed reduction)? For a compound maxillary fracture treated by open reduction, D7710 is the code. Understanding this helps patients see that D7710 is part of the compound (open) fracture code series (D7710-D7780), which parallels the simple-fracture series (D7610-D7680) — mirroring it by bone and approach: maxilla (D7710/D7720), mandible (D7730/D7740), malar/zygomatic (D7750/D7760), alveolus (D7770/D7771), and complicated facial bones (D7780) — so D7710 specifically is the compound-series maxilla open reduction (paralleling D7610), and the surgeon codes a facial fracture by three factors (simple or compound? which bone? open or closed reduction?), selecting D7710 for a compound maxillary fracture treated by open reduction.

Frequently asked questions

What is the D7710 dental code?
It's the open reduction of a maxilla (upper jaw) fracture in the compound (open) fracture series — surgically treating a fractured upper jaw where the fracture is compound/open (the broken bone exposed to the mouth or outside) by making an incision to access, realign, and fix it. It parallels D7610 but is for an open/exposed fracture.
What's a compound (open) fracture?
One where the broken bone is exposed — communicating with the mouth or the outside of the face through a break in the soft tissue (skin/mucosa) — as opposed to a simple (closed) fracture, where the bone isn't exposed. A compound fracture is generally more serious, with a higher contamination/infection risk.
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 an open fracture needs extra management — thorough cleaning/debridement, antibiotics, timely treatment, and soft tissue management — alongside the fracture reduction and fixation.
What does the treatment involve?
Managing the open fracture (cleaning/debriding the contaminated site, antibiotics, soft tissue management) plus the open reduction (surgically accessing the maxilla, realigning it, and applying internal fixation with plates/screws — like D7610), establishing the correct bite, and ongoing care (monitoring for infection, follow-up). It's major surgery, in a hospital, within trauma care.
Why are there two meanings of 'open' here?
The fracture is 'open' (compound) — meaning the bone is exposed — AND the treatment is 'open reduction' — meaning a surgical incision is used to realign it. So D7710 is an open reduction (surgical) of an open/compound (exposed) maxillary fracture. The compound series is defined by the fracture being open/exposed.
How much does it cost, and what insurance applies?
It's major surgery — often roughly 1,000 to 5,000+ USD for the procedure (fee schedules vary), plus hospital/anesthesia, overall trauma care, and management of the open fracture (debridement, antibiotics). Medical insurance typically applies (maxillofacial trauma is a medical matter), usually with the surgery in a hospital and preauthorization. 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.