The dental pulp is the part of the tooth in the center made up of living connective tissue and cells. Normally the pulp provides vitality of the tooth. Due to caries or injury (usually) it is inflamed, it became congested with blood and then root canal treatment is needed.The treatment consists of cleaning root canals and filling them with permanent material Gutta Percha to prevent reactivation of the inflammation.
Advantages: accuracy, speed and quality of the entire treatment compared to the "manual method". It allows well machined curved canals.