Obstructed teeth do not have to be extracted, for symptomatic or lesions of the obstructed teeth should be extracted, if the obstructed teeth have a certain value of utilization, can be retained, and other parts of the obstructed teeth in a special location, should be left in situ to observe the details as follows.
1. Symptoms or lesions: If the blocked tooth produces pericoronitis, leading to caries of neighboring teeth, root resorption of neighboring teeth, destruction of periodontal tissues, causing food impaction and other symptoms, it should be extracted.
2. Certain utilization value: If there are not many remaining natural teeth in the mouth, and the blocked teeth can erupt with the help of surgical intervention, the blocked teeth should be retained to exercise masticatory functions or used as abutments to repair dental defects.
3. Special position: when the blocked tooth is completely buried in the bone and close to the important nerves and blood vessels, it should be retained for observation if the masticatory relationship is normal and asymptomatic.
Patients with different physical conditions, different states of wisdom teeth, different treatment methods, should be standardized under the guidance of the doctor.