For bear chewing pressure is small, the tooth body tissue loss less teeth have done root canal treatment can be considered not to do the crown, but bear chewing pressure of the tooth is recommended to do the crown. 1. Do not do crowns: if the front teeth to do root canal treatment, and do root canal treatment to retain their own dental tissue part of the larger, and the front teeth to bear the chewing pressure is small, you can consider not to do crowns, but be careful not to gnaw on too hard food. 2. Crowns: For the premolar and molar teeth that have undergone root canal treatment, it is generally recommended to make crowns better, as the hardness of the teeth after root canal treatment is not as good as before, and the posterior teeth have to bear a greater masticatory pressure, the production of crowns can protect the teeth in the process of mastication is not easy to be cracked. Root canal treatment does not do dental crowns teeth have the risk of splitting, specific recommendations to the hospital by a professional physician according to their own dental conditions.