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Upper jaw separated above the teeth

Le Fort I Fracture

In this injury the break runs horizontally above the roots of the upper teeth, cutting the tooth bearing jaw free from the rest of the midface. The cheekbones and eye sockets stay where they are, while the palate and upper teeth move as one loose block.

Le Fort I Fracture
Anaesthesia
General anaesthetic
Hospital stay
Often two to four nights
Back to routine
Light work in three to four weeks, soft diet longer
Cost band
Rs 55,000 to Rs 1.2L
Quick answer

A Le Fort I fracture separates the lower part of the upper jaw, the part carrying the palate and the upper teeth, from the rest of the face. The bite is the main casualty, because the freed block drops or slides back and the teeth no longer meet correctly. Treatment restores the bite first, then holds the jaw with small plates along its supporting pillars.

Key takeaways
  • The break runs horizontally above the tooth roots, so the palate and the whole upper set of teeth move together as one block.
  • Eye sockets and cheekbones are not separated in this level, which is why vision and cheek position are usually unaffected.
  • The bite is the guide to the repair, since the upper teeth must meet the lower teeth as they did before the injury.
  • Fixation is placed on the two vertical pillars of bone on each side, which are the pillars that carry chewing forces.
  • A soft diet for several weeks protects the repair while the bone unites and the bite settles into place.
Le Fort I fracture: A Le Fort I fracture is a horizontal break above the roots of the upper teeth that frees the tooth bearing part of the upper jaw from the rest of the face.

What separates in a Le Fort I injury

The upper jaw is not a solid block. It is a shell of bone around the sinus, supported by vertical pillars that carry the force of chewing up into the skull. When a blow lands on the upper lip and teeth, the shell can shear across just above the tooth roots. The line runs backwards from the base of the nose, through the side walls of the sinus, to the back of the palate.

What comes free is the palate together with the upper teeth. Grasping the front teeth and feeling the whole upper arch move while the nose and cheekbones stay still is the classic finding. Above that line, everything remains attached to the skull, so this level does not usually disturb the eyes, the cheek prominence or the shape of the nasal bridge.

The trouble is felt in the bite. That block often slides backwards and downwards, leaving the back teeth meeting early and a gap at the front. Patients describe teeth that no longer fit, difficulty biting into food and a bruised palate. Bleeding from the nose is common, since the sinus lining tears along the fracture line.

When this level of injury is suspected
✦A bite that changed straight after a blow to the upper lip or teeth
✦The upper teeth and palate moving as one when the front teeth are held
✦Back teeth meeting first with an open gap at the front
✦Swelling and bruising of the upper lip, gum and palate
✦Nose bleed after facial injury with a numb upper gum
✦A road accident or fall where the face struck a steering wheel, handlebar or floor

Signs that need urgent attention

Difficulty breathing, or blood and loose teeth in the mouth after the injury, needs emergency care to protect the airway.
Heavy bleeding from the nose or mouth that does not settle with pressure must be treated in hospital.
A clear watery drip from the nose suggests the injury has reached higher than expected and needs same day review.
A bite that will not come together at all, with teeth that feel loose, should be assessed rather than left for a week.

Who surgery for this fracture suits

Fixation is advised when the freed jaw has moved enough to disturb the bite or when it is clearly mobile. A small number of cracks that have not shifted can be managed without an operation.

May be suitable when
✦A bite that has changed since the injury and does not correct itself
✦A tooth bearing block that moves when the front teeth are grasped
✦Difficulty chewing or biting food because the teeth no longer meet
✦A jaw that has slid backwards, giving the face a flatter or longer look
May not be suitable when
✦A crack that has not moved, where the bite is unchanged and review is enough
✦Someone whose head, chest or abdominal injuries still need attention first
✦Poorly controlled diabetes or heavy smoking, until the risk of poor healing is addressed
✦Expectation that surgery will also straighten teeth, which is dental treatment planned separately

How the repair is carried out

01
Assessment and scanning

Your bite, jaw mobility, teeth and airway are examined and a computed tomography scan maps the fracture line. Photographs and any earlier dental records help define what the bite looked like before.

02
Restoring the bite first

Under anaesthesia, the upper and lower teeth are brought together into their earlier relationship and held there with arch bars or wires. This step decides the position of everything that follows.

03
Exposing the pillars

Through a cut inside the upper lip, the front and side pillars of the upper jaw are exposed. No cut is made on the face, so healing leaves nothing visible on the skin.

04
Fixation with plates

Small titanium plates and screws are fixed across the fracture on each side, along the pillars that carry chewing force. The jaw is then stable enough to hold the restored bite.

05
Release and review

Wires holding the jaws together are usually released before you go home, with elastics used for guidance. Reviews check the bite, healing of the gum and your return to a normal diet.

Recovery week by week

Day 1 to 3

Facial swelling and nasal blockage are at their height. Pain relief, mouth rinses and a liquid diet are the mainstays, and the head is kept raised.

Week 1 to 2

Swelling settles noticeably and gum stitches dissolve. Elastics may guide the bite, and food moves from liquids to a soft diet under advice.

Week 6

The fracture has united and the bite feels reliable. Chewing gradually returns, though hard and chewy food is still avoided for a while.

Month 6 and beyond

Numbness of the upper gum continues to improve. Any small remaining bite discrepancy can be reviewed with a dentist and adjusted if needed.

What this operation can achieve

✦A bite brought back to the way the teeth met before the injury
✦A stable upper jaw that no longer moves when you eat or speak
✦Restored height and projection of the middle of the face
✦A return to normal chewing once the bone has united
✦Fixation placed through the mouth, leaving no scars on the face

What results are realistic

When the bite is restored early and the pillars are plated well, most people chew comfortably again and the face regains its earlier proportions. Small differences in how the teeth meet can remain and are often settled with minor dental adjustment. Numbness of the upper gum and teeth improves slowly over months. Where teeth were lost or broken in the accident, further dental work is usually needed to complete the result.

Risks and complications to know about

This is established surgery for a serious injury, and the following risks are explained before you consent.

A bite that does not fit exactly, sometimes needing adjustment or further treatment
Numbness of the upper gum, teeth and lip, which can be slow to recover
Infection of a plate or an infected sinus, occasionally requiring removal of hardware
Loss or later loss of a tooth close to the fracture line
Delayed union or movement of the fragment if the repair is loaded too early

Looking after recovery at home

Diet and mouth care do most of the work at home, and both protect the bite you were given in theatre.

✦Keep to the liquid then soft diet exactly as advised, since biting hard food can move the repair
✦Rinse the mouth gently with the prescribed solution after every meal
✦Wear the guiding elastics for the hours you are told, including overnight if instructed
✦Do not blow the nose for two weeks, as pressure travels into the sinus and cheek
✦Report any change in how the teeth meet rather than waiting for the next appointment

What people often get wrong

MythThe jaws must be wired shut for six weeks
In practice

Plates now carry the load, so wiring is usually released before discharge. Guiding elastics may stay for a while, which still allows speech and a soft diet.

MythIf no tooth is broken, the jaw is fine
In practice

Teeth can look untouched while the whole tooth bearing block has separated above them. A changed bite is the more telling sign.

MythA slightly wrong bite will settle by itself
In practice

The bite set at surgery is the bite that heals. Any change noticed afterwards needs review early, while adjustment is still straightforward.

MythThis injury affects the eyes as well
In practice

At this level the eye sockets stay attached to the skull. Vision and eye position are usually normal, which is what separates it from the higher patterns.

Why families choose Elegance Clinic

Midface injuries at Elegance Clinic in Surat are planned around the bite rather than around appearance alone, and imaging is discussed with you and your family before the operation is scheduled.

✦Bite restored and checked in theatre before any plate is placed
✦Fixation planned through the mouth so nothing is cut on the face
✦Dental review arranged when teeth were damaged in the same accident
✦A written estimate before admission and support with the insurance claim
Cost & insurance

Cost and insurance

Charges depend on how many plates are needed, the theatre and anaesthesia time, imaging and the length of your stay. Jaw fracture fixation is the closest guide to the range, and the band shown below gives a fair idea of what such surgery usually involves. A written estimate is prepared once the scan has been reviewed. Accident related fixation is normally covered by mediclaim, and the team helps assemble the paperwork.

Request a written estimate →
Mandible fracture fixation
Rs 55,000 to Rs 1.2L
Mediclaim
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Fixation of this kind usually falls in a band of Rs 55,000 to Rs 1.2L, depending on the number of plates, theatre time, imaging and how long you stay. A written estimate is shared once the scan is reviewed so the figure matches your plan.

Fracture fixation after an accident counts as reconstructive rather than cosmetic surgery, so most policies consider it. Claims usually need accident records, the scan report and operative notes. Room rent limits and waiting periods written into the policy still apply.

It is performed under general anaesthesia with the airway protected throughout, and the approach through the mouth is well established. Bleeding, infection of a plate and numbness of the upper gum are the main risks, and all are discussed before you consent.

Swelling eases over two weeks and liquids give way to soft food. Bone unites at around six weeks, when chewing gradually restarts. Light work often resumes in three to four weeks, while heavy or outdoor work waits longer.

The bite is set in theatre to match how your teeth met before the accident, and most people chew comfortably once healing is complete. Small differences can remain and are usually settled with a minor dental adjustment afterwards.

Only when the block has not moved and the bite is unchanged. Those patients are watched with a soft diet and review. A mobile jaw or a changed bite needs fixation, otherwise the bone heals in the wrong position.

Usually within the first week or two, once other injuries are stable and swelling has begun to settle. Earlier repair makes restoring the bite easier, because the fragment still moves freely at that stage.

Related

Related pages

Seeing patients from across the city and beyond: read about the practice on the plastic surgeon in Surat page, or check what a written estimate covers on the costs and insurance page.

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