The wisdom tooth develops in a sac within the jawbone. This pressure can also cause problems with crowding of the other teeth or require orthodontic treatment to straighten other teeth. If the wisdom tooth pushes against the second molar, it may damage the second molar or increase the risk of infection in that area. Impacted wisdom teeth can cause several problems in the mouth: ![]() Grow straight up or down like other teeth but stay trapped within the jawbone.Grow at a right angle to the other teeth, as if the wisdom tooth is "lying down" within the jawbone.Grow at an angle toward the back of the mouth.Grow at an angle toward the next tooth (second molar).Whether partially or fully impacted, the tooth may: These crowded third molars become trapped (impacted).Īn impacted wisdom tooth may partially emerge so that some of the crown is visible (partially impacted), or it may never break through the gums (fully impacted). In many cases, however, the mouth is too crowded for third molars to develop normally. ![]() Some people have wisdom teeth that emerge without any problems and line up with the other teeth behind the second molars. Wisdom teeth usually emerge sometime between the ages of 17 and 25. Wisdom teeth (third molars) become impacted because they don't have enough room to come in (erupt) or develop normally.
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