This patient presented herself with an irreversible pulpitis on her mandibular second molar. Patient had no medical problem and a normal mouth aperture. This very long tooth is in remote position in the arch, its mesial root canals path are into an “S” form. Canal calcifications on top of completely obliterating the pulp chamber, are making the root canals no longer visible in their apical third. Those considerations have been disclosed to the patient in order to allow her to understand the very high degree of difficulty and risks of the root canal procedure. Once the patient consent obtained, we could carry on with the root canal treatment
Ultracaïne mandibular block, rubber dam, access opening with a 557 straight fissure carbide bur, calcifications have been removed with a BUC 3 ultrasonic tip from Spartan. Root canal entries have been located with the help of magnification (Opmi Proergo microscope from Carl Zeiss),
All root canals instrumentation has been performed with Mani stainless K files and ProTaper Universal (Dentsply). Chelator: RC Prep. PUI Irrigation: NaOCl 5%. Sealer used: Pulp Canal Sealer. Obturation technique WVC.
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