Root canal treatment is usually charged by the number of root canals in the tooth, ranging from a few hundred to a thousand dollars each, with variations in the patient’s location and the type of hospital visited. Root canal therapy is a treatment that removes the nerve from the tooth and then fills the tooth’s root canal with a substitute material to treat nerve pain. Root canal treatment generally takes a relatively long time and requires the removal of the nerve and elimination of inflammation before the tooth can be filled and restored with a crown. Teeth are divided into front teeth and back teeth. Front teeth are usually single root canal teeth with a lower fee of around $300 to $1,000 depending on the city online. Back teeth have more roots, ranging from 1 to 3 roots, and the root canals will be more complex, and the charge for a 3-root back tooth is more, about $800 to $1500 or more. If the periapical inflammation is large in scope, the tissue cells liquefy and necrolyze to form pus in the local area, and the apical area is locally swollen, which can be accompanied by generalized weakness, low fever and other symptoms, and the patient is conscious of severe pain, which cannot be relieved, the pulp must be opened and drained in time to release the pressure and relieve the pain. Fluctuating sensation occurs, and abscess incision and drainage is performed. The above symptoms, need to wait until the symptoms are relieved before root canal treatment, due to the slow recovery of the affected tooth, the time taken is long, the number of visits increased accordingly, the cost is relatively high. Therefore, the specific cost of root canal treatment is recommended to go to the local hospital and consult the local doctor in detail.