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Can I have a bridge on my own teeth?

You can, but two sound teeth pay the price, and you need to know that when you decide

This is the first thing everyone who wants to avoid surgery asks, and in most cases the answer is yes. But a bridge does not come free: the sound teeth on either side of the gap are filed down and, from then on, carry the load of three teeth. On this page we set out when it is possible, what happens to those two teeth and what you need to look at when you make the decision.

Short answer

A bridge is a fixed solution that uses the teeth on either side of the gap as supports. For it to be possible, the roots of those teeth must be sound and the bone around them adequate, the gap must be short and there must be support on both sides. The price is that two sound teeth are filed down irreversibly and carry extra load from then on. If one of the supporting teeth is lost, the whole bridge goes.

The condition
Sound roots and enough bone on both sides
The price
Two sound teeth filed down
Its weakest point
Lose one support and the whole bridge goes
Bone
The bone under the gap goes on shrinking

Medically reviewed by Bilge Ilgın, Dentist · Implantology

What a bridge does, and at what price

The logic of a bridge is simple: the teeth on either side of the missing tooth are filed down and crowned, and the gap between them is closed with a false tooth held between these two supports. All three are made as a single piece and cemented in place. The result is fixed; you do not take it out, you do not put it in at night and you do not use adhesive. There is no surgery, and it is usually finished in a few appointments. These are real advantages.

The first price paid in return is that two sound teeth are filed down. For the crowns to fit, the enamel layer of those teeth is removed, and this cannot be undone. Two teeth that had no decay at all have been permanently altered to close one gap. This is the most debated aspect of a bridge and the clearest advantage of an implant: an implant does not touch the neighbouring teeth.

The second price is load. Two teeth now carry the chewing load of three. In teeth that are healthy and still have their supporting bone, this is usually not a problem. But in a tooth that has already lost gum support, has had root canal treatment or is borderline, the extra load shortens its life.

The third is how fragile the system is. Because a bridge is a single piece, when a problem arises in one of the supports, such as decay, a fracture or gum loss, the whole bridge has to come off. If that tooth cannot be saved, you are left with a gap of three teeth rather than two, and the next solution is bigger. When deciding on a bridge, the question 'how many more years will my supporting teeth last?' matters more than 'how many years will the bridge last?'

The fourth is cleaning. The false tooth of the bridge sits on the gum and ordinary floss will not go under it; you need special floss or an interdental brush. When this habit is not established, decay starts at the edge of the crowns on the supporting teeth, and this decay cannot be seen by eye. This is the most common reason bridges are lost.

The fifth is the thing nobody tells you at the start: the bone under the gap goes on shrinking. The false tooth sits on the gum but does not pass the load to the bone. Over the years the bone in that area sinks, and a space forms between the false tooth and the gum: the appearance suffers and food gets trapped. This is exactly what an implant does: it passes the load to the bone and keeps that area working.

In which mouths a bridge is the right decision

The distinction below becomes clear after an examination and X-rays. What decides it is not the gap but the condition of the teeth that will act as supports.

The tooth can be saved

  • The supporting teeth need crowns anywayIf the teeth on either side of the gap have large fillings, fractures or old crowns, those teeth are going to be crowned anyway. In this case a bridge brings no extra price, and this is where it makes the most sense.
  • Short gapsA bridge works comfortably across a gap of one or two teeth. As the gap gets longer, the bridge flexes and the load on the supports grows.
  • The supporting teeth are sound and still have their supporting boneWhat decides how long a bridge lasts is the health of its supports. In teeth with sound roots and no bone loss around them, the system can work without problems for many years.
  • People who are not suitable for surgeryWith systemic conditions that make implants unsuitable, or for patients who do not accept surgery, a bridge for a short gap is a realistic solution that works well.

Saving it is unlikely to hold

  • The supporting teeth have no decay at allFiling down two completely sound teeth for one gap is an irreversible decision. In this situation an implant has a clear advantage, because it does not touch the neighbouring teeth at all.
  • The supporting teeth are loose or have lost boneAttaching a bridge to a tooth that has lost its supporting bone speeds up the loss of that tooth. When the bridge fails, you are left with a three-tooth gap and the next treatment gets bigger.
  • Gaps with no support behind themIf there is a tooth on only one side of the gap, the bridge becomes a cantilever, and that free end acts like a lever and strains the tooth in front. This design can cost you the supporting tooth.
  • Long gaps and many missing teethAttaching a long bridge to the few remaining teeth piles the load onto those teeth. In this situation a fixed solution needs implants; a bridge under strain loses both itself and its supports within a few years.

How a bridge is made

There is no surgery, but there is one step that cannot be undone, and it comes second.

  1. 1

    Assessing the supporting teeth

    The root of each supporting tooth and the bone around it are examined on an X-ray. The condition of a tooth that has had root canal treatment is assessed separately. If this step is skipped, the bridge is loaded onto a tooth that is already borderline.

  2. 2

    Any treatment needed first

    If the supporting teeth need treatment for decay, root canal treatment or gum treatment, that is completed first. A problem left under a crown is lost along with the bridge years later.

  3. 3

    Preparing (filing down) the teeth

    The enamel layer is removed so that the crowns can fit. This is the step that cannot be undone; the decision must have been made before this appointment.

  4. 4

    Impressions and a temporary bridge

    Impressions are taken and, while the laboratory makes the bridge, a temporary bridge is fitted to protect the filed-down teeth. A well-fitting temporary bridge stops the supporting teeth from becoming sensitive during this period.

  5. 5

    Try-in and cementing

    Once the fit, bite and shade have been checked, the bridge is cemented. The bite adjustment matters here: a bridge that spreads the load unevenly strains the supporting teeth.

  6. 6

    Establishing a cleaning habit

    How to clean under the false tooth is shown at this appointment. A habit established later usually comes too late, and decay at the edge of the crowns has already started.

A bridge and the other routes

The options discussed for the same gap, and where they part ways.

01

Single-tooth implant

It does not touch the neighbouring teeth at all and passes load to the bone under the gap. It needs surgery and there is a healing period. For a patient whose neighbouring teeth are sound, this is the most protective option in the long term.

02

Resin-bonded bridge

A bridge held in place by wings bonded to the back surfaces of the neighbouring teeth, with almost no filing down. Usually used when a single front tooth is missing and the load is limited; not preferred at the back of the mouth.

03

Removable partial denture

The route with no surgery and the lowest cost. The price is that it is removable and that its clasps or attachments put load on the remaining teeth. It comes up for long gaps where a bridge is not possible.

04

Leaving the gap

It does not look like an option, but it is the route chosen most often. The tooth in the opposite jaw grows out towards the gap, the neighbouring teeth tip into it and the bone in that area shrinks. The longer you wait, the harder both the bridge and the implant options become.

05

A full-mouth plan

If many teeth are missing, the whole mouth needs to be planned rather than closing gaps one at a time. Attaching long bridges to the few remaining teeth is a route that ends up losing those teeth too.

The price you pay later

A bridge is a good solution in the short term. The points below are the ones that show up in the medium term.

Decay under the crowns of the supporting teeth

Decay that starts at the edge of a crown cannot be seen by eye and is usually found on an X-ray, once it is advanced. This is the most common reason bridges are lost, and it depends directly on your cleaning habits.

Lose one support and the whole bridge goes

The system is a single piece. When one of the supporting teeth cannot be saved, the bridge is removed and you are left with a three-tooth gap. The next solution is both bigger and more expensive.

The bone sinks under the false tooth

Because the bone in the area of the gap carries no load, it goes on shrinking. Over the years a space forms between the false tooth and the gum: the appearance suffers, food gets trapped and cleaning becomes harder.

The chance of root canal treatment

In teeth where the filing down came close to the nerve, root canal treatment may be needed months later. When this need arises after the bridge has been made, the bridge may have to be drilled through or removed.

After a bridge

Because there is no surgery, recovery is short; the real issue is the care routine.

  1. The first days

    Sensitivity to hot and cold in the filed-down teeth is normal and usually passes within a few weeks. If it does not pass, or gets worse, it should be reported; root canal treatment may be needed.

  2. The first weeks

    If a point in the bite feels uncomfortable, it is corrected. A bridge that touches too early puts uneven load on the supporting teeth, and this shows up a few years later.

  3. The first year

    This is the period in which the habit of cleaning under the false tooth becomes established. At check-ups, the edges of the crowns and the health of the gums are examined; this is the only way to catch a problem in this area early.

  4. The years that follow

    At least one check-up a year. Decay at the edge of the crowns, receding gums and a space forming under the false tooth should be caught early. All three decide how long the bridge lasts.

Message us right away if

  • The bridge moves or clicks. A fixed bridge does not move. Movement may show decay under one of the supports or that the cement has come loose. When it is spotted early, the supporting tooth can be saved.
  • There is a smell from under it or food gets trapped. This shows that a space has formed under the false tooth or that there is an area that cannot be cleaned. Both should be assessed.
  • One of the supporting teeth hurts. Do not put it off. If that tooth is lost, the whole bridge goes. A tooth that could be saved with root canal treatment can reach the point where it has to be extracted if it is left too long.
  • The gum bleeds or recedes. Gum inflammation at the edge of a crown can be the first sign of decay progressing underneath. Because decay in this area cannot be seen by eye, it is important to report it early.

The real cost of a bridge

The first payment may be lower than for an implant. But the sums need to be done over ten years, because the items arise at different times.

How many teeth the bridge spans
The longer the span, the more both the material and the laboratory work cost. A long bridge also shortens the life of the supporting teeth, which makes future costs bigger too.
Treating the supporting teeth first
If root canal treatment or gum treatment is needed, these are separate items. An X-ray shows this from the start, and it should be included in the quote.
Material
Porcelain fused to metal, zirconia or another material. The difference shows both in the price and in how repairable it is.
The chance of replacement
The item that really decides it. When a supporting tooth is lost, the whole bridge is replaced, and because the gap is now bigger, the next solution is more expensive. This possibility needs to be factored in from the start.

Frequently asked questions

Do my sound teeth have to be cut down for a bridge?

For a conventional bridge, yes, and it cannot be undone. That is why, for a patient whose supporting teeth have no decay at all, an implant has a clear advantage: it does not touch the neighbouring teeth at all. If the supporting teeth need crowns anyway, a bridge brings no extra price, and this is where it makes the most sense.

How many years does a bridge last?

It would not be right to give a single figure, because what decides how long a bridge lasts is not the bridge itself but its supporting teeth. As long as decay does not develop at the edge of the crowns and gum health is maintained, it can stay in place for many years. The right question is not 'how many years will the bridge last?' but 'how many more years will my supporting teeth last?'

What happens if I lose a supporting tooth?

The whole bridge is removed. If that tooth cannot be saved, you are left with a gap of three teeth rather than two, and the next solution is both bigger and more expensive. This is the most fragile point of the system.

Does a bridge stop bone loss?

No. The false tooth sits on the gum and does not pass the load to the bone; the bone in that area goes on shrinking. Over the years a space forms between the false tooth and the gum. The only solution that passes load to the bone is an implant.

How do I clean under a bridge?

Ordinary floss does not go under the false tooth; you need special floss or an interdental brush. This is a daily job that should not be skipped. The most common reason bridges are lost is decay at the edge of the crowns that starts from this area.

I have many missing teeth. Can I have a long bridge?

Technically it can be done, but attaching a long bridge to a few remaining teeth piles the load onto those teeth. In this situation a bridge usually loses both itself and its supports within a few years. If many teeth are missing, the whole mouth needs to be planned.

Which is cheaper, a bridge or an implant?

For the first payment, usually a bridge. But the sums should be done over ten years: when a bridge loses a supporting tooth, it is replaced entirely, and because the gap is bigger, the next solution is more expensive. Because an implant does not touch the neighbouring teeth, it does not put those teeth at risk. The comparison should be made with these possibilities factored in.

Sources

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