- Gutta-percha, a plastic substance from a malaysian tree called a percha tree, is used as a permanent filling in root canals. - During the root canal procedure, the tooth's damaged area, known as the pulp, is removed, and the tooth's canals are cleaned out and disinfected before being filled and sealed. - Size: 25 mm F4. - Color: blue. **For further product information, please contact Chat Support**