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Repositioning and immobilization of mandibular fragments

A lower jaw fracture is one of the most common facial injuries. Reduction means bringing the bone fragments back into the correct position, and immobilisation means holding them still while they heal. At UKRMED Maxillofacial Surgery, mandibular fracture treatment is planned by maxillofacial surgeon Anna Kravchenko after a CT scan: she decides whether splints and jaw wiring are enough or plate fixation is needed.

Jaw fracture treatment Kyiv — maxillofacial surgeon consultation

The surgeon will review your CT, bite and fragment position and suggest a treatment method.

Jaw fracture symptoms

  • pain and swelling at the injury site, worse when chewing and talking;
  • a change in bite: the teeth do not meet as before;
  • limited mouth opening;
  • a mobile jaw segment or a "step" along the teeth;
  • numbness of the lower lip and chin;
  • bruising and bleeding gums.

Any facial injury with these signs needs urgent assessment. The diagnosis is confirmed by CT, which shows the fracture line, displacement and the position of teeth in the fracture gap.

repozytsiia-immobilizatsiia-nyzhnoi-shchelepy-1

What immobilisation means

Immobilisation keeps the fragments still so the bone heals in the right position. There are two kinds:

  • temporary immobilisation — a bandage or chin sling holds the jaw until specialist care is available;
  • definitive immobilization of mandibular fragments — fixation for the whole healing period with arch bars on the teeth and jaw wiring.

Temporary immobilisation prevents displacement and reduces pain and bleeding during transport.

When conservative treatment is enough

repozytsiia-immobilizatsiia-nyzhnoi-shchelepy-2

If the fragments are not displaced or are easily realigned, and the teeth on both sides of the fracture are stable, the fracture is treated without an incision: the surgeon realigns the fragments, attaches splints to the teeth and connects the upper and lower jaws with elastics or wire. The bite is restored using the teeth as a guide.

If the fragments are markedly displaced, the fracture is multiple or at the jaw angle, open mandibular osteosynthesis with plates is more often required.

What research says

A Cochrane review of mandibular fracture management analysed 12 randomised trials of different fixation methods — splints, various plates, early and delayed mobilisation. The authors concluded there is not enough evidence to favour one universal method, so the choice depends on the fracture type, the surgeon's experience and the patient's condition. The AO Foundation surgery reference describes the same principles: restoring the correct bite, stable fixation and preserving the blood supply to the fragments.

Oral and maxillofacial surgery at UKRMED

Call us or leave a request on the website.

Jaw fracture recovery

During immobilisation, the patient eats liquid and puréed food and cleans the mouth carefully — rinsing after every meal and using a brush for the splints. Regular check-ups monitor the fragments and the splints. Bone union usually takes about four to six weeks, after which the splints are removed and chewing is gradually resumed.

Possible complications

Infection in the fracture gap, malunion with a bite problem, prolonged lip numbness and damage to teeth in the fracture line. The risk is lower with early treatment and following the advice.

Prices at UKRMED

The cost depends on the fracture type and fixation method — the surgeon gives it after the CT scan.

Service Price
Maxillofacial surgeon consultation (PhD) UAH 1,000
CT of both jaws with report UAH 1,000
Splinting (1 tooth) UAH 1,000
Suturing UAH 650
Suture removal UAH 250

Correct healing without bite problems

Come as soon as possible after an injury — the surgeon will choose the treatment.

Sources

  1. Nasser M., Pandis N., Fleming P. S. et al. Interventions for the management of mandibular fractures. Cochrane Database Syst Rev, 2013. https://doi.org/10.1002/14651858.CD006087.pub3
  2. AO Foundation. AO Surgery Reference: CMF trauma. https://surgeryreference.aofoundation.org/cmf/trauma
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FAQ

On average four to six weeks, depending on the fracture type, age and following the advice.

Holding the bone fragments still while they heal — with splints, intermaxillary fixation or plates.

Yes, liquid and puréed food. The doctor will explain how to eat and care for your mouth.

No. Fractures without significant displacement are often treated with splints without an incision.

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