Medical Oncologist
CION Cancer Clinics
Plate exposure and failure after jaw surgery | CION Cancer Clinics
If you can see or feel the metal plate through your gum, lip or chin, the thin tissue over it has broken down. It is the most common late problem after jaw reconstruction with a plate, and it needs your surgical team to look at it within days. This page explains why it happens, which signs cannot wait, and what the repair options usually are. CION Cancer Clinics’ surgical oncologists in Hyderabad can talk this through with you.
MI
Medically reviewed by Dr. Mohammed ImaduddinConsultant Surgical Oncologist · MBBS, MS (General Surgery), MCh (Surgical Oncology) · last reviewed September 2026, next review due September 2027
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On this page
- What does it mean when the plate is showing?
- Why does a plate come through the skin or gum?
- What does the surgeon do about an exposed plate?
- An exposed plate and a broken plate, compared
- Four things families say about an exposed plate
- What this page cannot tell you
- Common questions about plate exposure after jaw surgery
The short answer
What does it mean when the plate is showing?
Plate exposure means the metal plate that holds your jaw together has worn through the gum, the skin or the lining of the mouth, so you can see or feel it. It is the most common late problem after reconstruction with a titanium plate, and your surgical team should see it within days.
Why it happens at all
A reconstruction plate is a strong strip of metal that bridges the gap where bone was removed. It sits just under a thin layer of soft tissue. If that layer thins further, the plate rubs through. Once air and saliva reach the metal, the tissue around it will not close on its own, and the opening usually grows rather than shrinks.
Exposure and failure are not the same thing
Exposure means the plate is visible. Failure means the plate has broken, a screw has loosened, or the whole plate has to come out. Many exposed plates are still doing their job. Some plates fail without ever being exposed, most often by snapping at the point that takes the biggest load when you bite.
Titanium is not rejected by the body. If a plate has come through, the cover over it has broken down, not the metal.
!
Go the same day if any of these happen
Bleeding from around the plate that does not stop with pressure. A fever with swelling spreading down the neck. Pus with any difficulty swallowing saliva or breathing. A sudden change in the way the teeth meet, or a jaw that has shifted or moves in two pieces. Go to the nearest emergency department and say you have a jaw reconstruction plate. Do not wait for the next clinic day.
Not sure whether this applies to you?
Ask an oncologistThe usual reasons
Why does a plate come through the skin or gum?
Thin cover over the plate
Where a plate bridges the front of the jaw, the chin skin and the lip lining are stretched over a hard curve. The tissue is thinnest at the point of most pressure, and that is where it gives way.
Radiation to the area
Radiotherapy before or after the operation reduces the blood supply to the skin and gum, so the tissue heals slowly and thins over time. Exposure is more common, and repair harder, in an irradiated jaw.
Higher again if
- Radiation was given to the same side of the jaw
- The plate was placed after radiation, not before
A plate carrying the load alone
When the gap has no bone in it, the plate takes every bite. Metal under repeated bending eventually fatigues, and the screws holding it to the remaining bone can work loose.
Infection, smoking and poor nutrition
An infection around the plate breaks down the tissue over it. Smoking and uncontrolled diabetes both slow healing. Weight loss after surgery leaves less tissue to cover the metal in the first place.
If you smoke, tell your surgeon honestly. It changes which repair is likely to hold.What happens next
What does the surgeon do about an exposed plate?
Look, clean and check for infection
The surgeon examines the opening, takes a swab if there is pus, and checks whether the plate and screws are still firm. A scan may be asked for to see whether the bone around the screws has thinned.
Rule out the cancer coming back
An exposed plate is almost always a healing problem. Even so, any new lump, ulcer or hard swelling near the opening is examined, and a small sample may be taken. This is routine.
Small opening, plate still solid
Antibiotics, mouth rinses and careful cleaning. Sometimes a small flap of nearby tissue is moved across to cover the metal. This works in some cases, less often after radiation.
Large opening, loose or broken plate
The plate usually has to come out. What replaces it depends on whether bone has healed across the gap: a smaller plate, a new plate wrapped in fresh tissue, or bone from the leg.
Sometimes nothing goes back in
If the remaining bone has joined, or your health will not allow another long operation, the plate is removed and the jaw is left as it is. Your team will explain what that means for your bite and your face first.
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Side by side
An exposed plate and a broken plate, compared
Exposed plate
Broken or loose plate
Exposed plate: you see or feel metal through the gum or skin
Broken plate: a click, a shift in the bite or the jaw moving on one side
Exposed plate: the plate may still be doing its job
Broken plate: the jaw is no longer held, and chewing on that side should stop
Exposed plate: sometimes covered with a local flap if caught small
Broken plate: almost always removed and replaced or re-fixed
Exposed plate: more common after radiation and at the front of the jaw
Broken plate: more common where a plate spans a gap with no bone in it
Commonly believed
Four things families say about an exposed plate
"The body has rejected the metal."
Titanium does not provoke rejection the way a transplanted organ can. What has happened is that the thin tissue over the plate has broken down. The fix is about tissue and blood supply, not about changing the metal.
"If we leave it, the gum will grow back over it."
Once saliva and bacteria reach the plate, the opening tends to widen rather than close. Waiting turns a small repair into a larger one. Book the appointment the week you notice it.
"The plate showing means the cancer is back."
Most exposures are a healing problem, and the surgeon will check the area to be sure. Fearing the answer is why people delay, and delay is what makes the repair harder.
"If the plate comes out, the jaw will collapse."
That depends on whether bone has already joined across the gap and whether a bone flap is in place. In many cases something goes back in. Ask your surgeon to show you on the scan.
Being straight with you
What this page cannot tell you
It cannot tell you whether your plate can be saved. That depends on the size of the opening, whether you have had radiation, whether there is bone under the plate, and your general health. Only the surgeon who examines you can weigh those together.
Who this affects most
People whose jaw was bridged with a plate alone rather than with bone, people who had radiation to the same area, and people whose plate crosses the front of the chin. That does not mean the plate will fail. It means the review appointments matter, and a new sore spot over the plate should be reported the same week.
Questions worth asking at the appointment
Is there bone under the plate, and has it joined? Is the plate still firm? If it has to come out, what goes back in, and how long an operation is that? Will the repair change my face or my bite? Write the answers down, or ask the family member with you to.
If you cannot reach the hospital where the operation was done, any surgical oncology or maxillofacial team can assess the plate. Bring the operation notes and any scans.Questions we are asked
Common questions about plate exposure after jaw surgery
Is an exposed plate an emergency?
Usually not a same-day one, but do not sit on it until the next routine review. Ring the surgical team the day you notice it and expect to be seen within days. It becomes urgent with heavy bleeding, spreading swelling with fever, trouble swallowing or breathing, or a jaw that has shifted.
Will the plate have to come out?
Not always. A small opening over a firm plate, in a person who has not had radiation, can sometimes be cleaned and covered. A large opening, a loose plate, or an infection that keeps coming back usually means removal. Your surgeon will tell you which you are in after examining it and, often, a scan.
Can I eat with the plate showing?
Eat soft food and chew on the other side until you have been seen. Rinse gently after every meal so nothing sits against the metal. If a screw or edge is cutting the inside of the lip, ask the team about dental wax as a temporary cover. Avoid anything hard or sticky.
Why did this happen months after the operation?
The tissue over a plate thins slowly, and radiation keeps reducing its blood supply long after the course ends. Weight loss also takes away padding. A plate that was fully covered at the first review can still come through a year or more later.
Does an exposed plate mean the cancer has come back?
On its own, no. Exposure is a healing problem far more often than a cancer problem. Because the two can look similar at the edges, your surgeon will examine the area and may take a small sample to be sure. Treat that as routine care, not as bad news.
What replaces the plate if it is removed?
It depends on what is holding the jaw now. If bone has already joined across the gap, sometimes nothing is needed. If not, options include a new plate wrapped in fresh tissue, or rebuilding the jaw with bone from the leg or hip.
Can I prevent it happening again?
You cannot control the tissue over the plate, but you can control what makes it worse. Stop smoking, keep blood sugar steady if you are diabetic, keep your weight up, and keep the mouth clean. Report any sore or thin spot over the plate at once. None of this is a promise, but each improves the odds.
Is the repair covered by Aarogyasri or insurance?
Often yes, because it is treatment for a complication of cancer surgery, but cover varies by scheme and by the operation proposed. Aarogyasri, CGHS, ECHS and EHS are accepted at CION, and most cashless insurers are empanelled. Call the helpline with your card details and we will check your cover before you travel.
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Dr. C. Raghavendra Reddy
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Dr. Bharati Devi Gorantla
MBBS, MD(General Medicine), DM(Medical Oncology)(Adyar,Chennai), ECMO, MRCP SCE(UK)
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Dr. Owais Mohammed
MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
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Dr. Muralidhar Muddusetty
MBBS (AIIMS), MS (Surgery) (AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh)
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Dr. Vinay Mamidala
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Dr. Vajja Sandeep Kumar
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Sources
- Cancer Research UK — Surgery for mouth cancer
- Macmillan Cancer Support — Head and neck cancers
- National Cancer Institute — Oral complications of cancer treatment (PDQ)
- American Cancer Society — Surgery for oral cavity and oropharyngeal cancer
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
Keep reading
Related pages
Reconstruction Plates for the JawWhat the plate is and why it was chosen over boneFibula Free Flap Jaw ReconstructionThe bone option that may replace a failed plateOsteoradionecrosis and Jaw Surgery After RadiationWhy radiation makes healing over a plate harderComplications and Red FlagsThe signs after any cancer operation that need same-day careWound, Stitches and ScarsHow to keep the area clean while you wait to be seen
Talk to us
Can you see the plate?
Tell us what you have noticed and when the operation was. A surgical oncologist will tell you whether it needs to be seen today or this week. One helpline serves every CION centre.