Broken Jaw: Symptoms, First Aid, and Surgical Treatment

What Is a Jaw Fracture?

A jaw fracture — technically a mandibular fracture — is a break in the lower jaw (mandible). The mandible is the most commonly fractured facial bone because of its prominent position on the lower face. Fractures of the upper jaw (maxilla), cheekbone (zygoma), eye socket (orbit), and combinations of multiple facial bones (panfacial fractures) also occur, particularly in high-velocity trauma such as road traffic accidents.

In India, road traffic accidents are the leading cause of jaw fractures, followed by assaults and falls. The mandible is particularly vulnerable to fractures at three specific sites: the condyle (the joint connecting the jaw to the skull), the angle (behind the wisdom teeth), and the parasymphysis (between the canine teeth area).

Symptoms of a Broken Jaw

First Aid for a Suspected Jaw Fracture

1. Support the jaw — use a bandage, cloth, or your hands to hold the jaw gently in a comfortable position. Do not attempt to force the jaw closed.
2. Do not eat or drink — the patient may require surgery under general anaesthesia.
3. Keep the head forward — if there is bleeding, tilt the head slightly forward to prevent swallowing or inhaling blood.
4. Remove debris carefully — if there are broken tooth fragments or dentures, remove them carefully if they can be dislodged without force.
5. Go directly to hospital or an emergency maxillofacial service — jaw fractures should be evaluated the same day.

How Are Jaw Fractures Diagnosed?

Diagnosis begins with clinical examination: assessing the bite, palpating along the jaw, checking for nerve sensation in the lower lip, and examining the mouth for fractures at the gum line. Imaging is essential: an orthopantomogram (OPG, a panoramic jaw X-ray) shows most mandible fractures clearly. For complex fractures involving the condyle, midface, or orbital region, a CT scan with three-dimensional reconstruction gives the full picture of fracture pattern and displacement.

Surgical Treatment: Open Reduction and Internal Fixation (ORIF)

The standard treatment for most displaced jaw fractures is ORIF — open reduction and internal fixation using titanium miniplates and screws. This approach:

• Restores precise anatomical alignment of the fracture fragments
• Re-establishes the patient's normal bite (occlusion)
• Allows the patient to use the jaw normally during healing — no wiring the jaw shut
• Provides stable fixation that allows bone to heal in the correct position

Surgery is typically performed under general anaesthesia. Incisions are placed carefully — often inside the mouth (intraoral approach) — to avoid visible facial scars. Titanium plates are low-profile and conform precisely to the jaw contour. Most patients are discharged 24–48 hours after surgery.

Recovery After Jaw Fracture Surgery

Most patients follow a structured recovery protocol:

• Days 1–7: Liquid diet; swelling peaks at 48–72 hours and then begins to resolve
• Weeks 1–4: Soft diet (no hard, crunchy, or chewy food); jaw exercises as instructed
• Weeks 4–8: Progressive return to normal diet as fracture consolidates
• 6–8 weeks: Radiographic confirmation of union

Most patients can return to desk work within 1–2 weeks. Regular follow-up appointments are essential to monitor healing and bite alignment.