Although removal of wisdom teeth is very common, there are no studies that show a benefit to taking them out when they are not causing pain or other problems, according to a new review of existing research.
Third molars, or so-called wisdom teeth, generally emerge fully or partially between ages 17 and 26 into limited space and they are often wedged against the second molars. This can cause swelling, root damage, decay or gum disease, and in these cases experts agree the wisdom teeth should be removed.
But if there are no symptoms, it is unclear whether the benefits of surgery outweigh the risks, researchers write in the Cochrane Database of Systematic Reviews.
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