Adults can have up to 32 teeth. The wisdom teeth are the last to appear, right at the back of the mouth. They usually appear when you are between 17 and 25, although sometimes they appear many years later.
People often have jaws that are too small for all 32 teeth to fit – 28 is often the most we have room for. So if all the other teeth are present and healthy there may not be enough space for the wisdom teeth to come through properly.
If there is enough room they will usually come through into a useful position and cause no more problems than any other tooth.Often there will be some slight discomfort as they come through, but this will disappear once the tooth is fully in position.
If part of the wisdom tooth has appeared through the gum and part of it is still covered, the gum may become sore and perhaps swollen. This is called ‘pericoronitis’. Bacteria and bits of food can collect under the gum edge, and it will be difficult to clean the area properly.
This is a temporary problem that can be dealt with by using mouthwashes, special cleaning methods and possibly antibiotics. If the problem keeps coming back, it may be better to have the tooth removed.
What can I do to help relieve the discomfort of wisdom teeth?
A mouthwash of medium-hot water with a teaspoonful of salt will help to reduce gum soreness and inflammation (check that it is not too hot before using it). Swish the salt water around the tooth, trying to get into the areas your toothbrush cannot reach. Do this several times a day. An antibacterial mouthwash containing chlorhexidine can also reduce the inflammation. Pain-relieving tablets such as paracetamol or ibuprofen can also be useful in the short term, but talk to your dental team if the pain continues. The tablets should always be swallowed and not placed on the area.
What if this does not help?
Are x-rays needed for wisdom teeth?
The dental team will usually take x-rays to see the position of the root, and to decide whether there is room for the tooth to come through into a useful position.
What are the main reasons for taking wisdom teeth out?
Far fewer wisdom teeth are now taken out than in the past. If the tooth is not causing problems, your dentist will not want to remove it. They will only remove wisdom teeth:
- when it is clear that they will not be able to come through into a useful position because there is not enough room, and they are also causing some pain or discomfort
- if they have only partly come through and are decayed – these teeth will often decay as it will be difficult to clean them as thoroughly as your other teeth
- if they are painful.
Will it make any difference to my face or mouth?
Removing wisdom teeth may cause some swelling for a few days. But as soon as the area is healed, there will be no difference to your face or appearance. Your mouth will feel more comfortable and less crowded, especially if the wisdom teeth were impacted.
What should I expect after a wisdom tooth is taken out?
he amount of discomfort will depend on how easy it was to remove the tooth. There is usually some swelling and discomfort for a few days afterwards, and it is important to follow any advice you get about mouthwashes and so on, to help with the healing. Normal painkillers such as paracetamol or ibuprofen will usually deal with any pain.
It is best to stay fairly quiet and relaxed and avoid smoking and drinking alcohol for 24 hours afterwards to make sure there are no bleeding problems. There may be some stitches to help the gum heal over. Your dentist will probably want to see you again about a week later to check how your mouth is healing, and to remove any stitches.
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