Their uneven alignment can damage the teeth, jawbone or the nerves. It often pains or swells so these are factors too lead to the removal of wisdom teeth.
The extraction of the wisdom tooth depends on case to case. Wisdom tooth removal at times is a minor surgical procedure done under local anesthesia.
In few cases, the whole piece can be taken out in an easy manner but in few cases, the tooth can be attached to the jawbone so the tooth is taken out in pieces till finally it is cleared out.
Once removed, precautions should be taken as directed by the dentist. Softer foods should be consumed and gentle warm water salt mouthwashes should be commenced after 24 hours.