Many people are told they have wisdom teeth that may cause problems in the future, even though they feel fine now. Should they be removed preventively, or left alone? There is no single answer for everyone. The decision depends on the position of the teeth, your age, your oral health and the risks involved.
Wisdom teeth that are partially erupted or angled against the neighbouring tooth have a higher chance of causing infection, decay or gum problems later. Removal at a younger age is often easier because the roots are not fully formed and the bone is softer, which can mean quicker recovery.
Fully erupted wisdom teeth that are well positioned, meet an opposing tooth, can be cleaned properly and are free from decay and gum disease can be kept. They may even be useful as chewing teeth or as supports for a bridge in the future.
For impacted teeth that cause no problems, your dentist may suggest monitoring with periodic X-rays. This allows any changes, such as decay in the neighbouring tooth or cyst formation, to be detected early.
Like any surgery, wisdom tooth removal carries risks such as swelling, pain, dry socket, infection and, in rare cases, nerve injury causing numbness. These risks are weighed against the potential benefits.
Your dentist will consider the position and angle of the teeth, your ability to clean them, your history of symptoms, your general health and your preferences.
Removal tends to be easier in younger adults. In older adults, risks of complications can be higher, so preventive removal is less common unless problems arise.
Some people worry that wisdom teeth cause front teeth to become crowded. Evidence for this is limited, and crowding has many causes. Removal is not usually recommended solely to prevent crowding.
Ask your dentist to explain the specific risks and benefits for your teeth. Viewing your X-ray together can help you understand the position of your wisdom teeth.
Pay extra attention to cleaning the back teeth, use a small-headed toothbrush and attend regular check-ups.
A panoramic X-ray shows all four wisdom teeth at once, along with their roots, their angle and how close they are to the nerve in the lower jaw and the sinuses in the upper jaw. It also reveals early signs of problems that cannot be felt, such as decay at the back of the second molar, bone loss between the teeth or a cyst forming around the crown. Looking at the X-ray together with your dentist makes it much easier to understand whether your wisdom teeth are likely to stay healthy or whether removal now would prevent bigger problems later.
Not always. It depends on their position, health and risk of future problems.
Generally yes, because roots are less developed and recovery is often quicker.
Evidence is limited, and crowding has many causes.
Discuss whether to keep or remove your wisdom teeth.
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