FAQ 常见问答题

Since the root of a human tooth is surrounded by alveolar bone, in the traditional root canal treatment, the doctor can hardly see the root canal structure, only by the X-ray film, can understand a little about the tooth root and root canal, the doctor can only judge and treat by hand. However, if the image of the medullary cavity and root canal structure can be enlarged, so that doctors can see the internal structure of the medullary cavity and root canal clearly and perform fine operations, the quality of root canal treatment can be significantly improved. Therefore, microscopic root canal therapy can be said to be the “devil in the details.

Clinically, some root canals have variation, calcification, hidden location, or small root canals, which makes them difficult to be detected by the naked eye. For example, in some failed cases of pulp plasticization treatment, there are more reddish-brown or dark brown plasticizers in pulp cavity and root canal, which increases the difficulty of root canal location. Or the affected tooth with a perforated root canal wall, which used to be repaired surgically or removed directly, but was locally enlarged through good lighting of the root canal microscope, so that the doctor could clearly identify and locate it, effectively increasing the success rate of treatment.

It is not necessarily necessary, generally after the microscope root canal treatment should be closed in time for filling treatment, and it is recommended to perform crown repair after surgery to prevent tooth fractures and prolong tooth life.

When surgery is performed, local anesthesia is administered (some doctors may choose other forms of anesthesia); There may be mild postoperative pain, usually lasting 72 hours; But for the vast majority of patients, a painkiller can reduce the pain.

Microscopic root canal treatment, with the help of microscope and ultrasonic instruments, the Angle of the apical section and the tooth axis is controlled from the traditional 45 degrees to 0-10 degrees, thus effectively reducing the occurrence of apical microleakage.


Microscopic root canal therapy should be performed step by step according to the clinical examination of the patient; In general, root canal treatment requires about 2 visits.


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