The new teeth are blocked from coming in by already existing or extra teeth.
When the primary teeth don't fall out in time to allow the permanent teeth to erupt.
For aligning the braces, teeth have to be extracted to create room for the teeth that are being moved into place.
People receiving radiation to the head and neck may need to have teeth in the field of radiation extracted.
People receiving cancer drugs may develop infected teeth because these drugs weaken the immune system. In such cases infected teeth may need to be extracted.
Some teeth may need to be extracted if they could become a source of infection after a transplantation of an organ. They are more prone to infection because they must take drugs that decrease or suppress the immune system.
Wisdom teeth or third molars need to be extracted either before or after they come in depending upon the condition.
Teeth with horizontal or vertical fractures that cannot be restored.
There are two types of extractions:
A simple extraction is performed on a tooth that can be seen in the mouth. In a simple extraction, the tooth is loosened with an instrument called an elevator. Then forceps are used to remove the tooth.
A surgical extraction is a procedure employed when the tooth may have broken off at the gum line or has not come into the mouth yet. Surgical extractions are performed by oral surgeons. The doctor makes a small incision (cut) into your gum. Often it's necessary to remove some of the bone around the tooth or to cut the tooth in half in order to extract it.
In case of complications, an x-ray of the area is taken so as to analyze the affected area and plan the best way to remove the tooth. Detailed instructions on what to do and what to expect are given to the patients after the extraction. Always ensure that all your doubts are cleared before leaving.