(TC24) Technique for the management of obturating of large canals

Obturation of the root canal system is a key pillar of non-surgical root canal treatment. After thorough chemomechanical debridement the obturation serves to prevent bacteria and their components/byproducts from leaking into the periradicular tissues and to prevent nutrients from the periradicular tissues from reaching any remaining bacteria within the canal system. A common challenge in obturation is when the canal space diameter greatly exceeds that of the gutta-percha master cone, especially in the coronal aspect of the canal. This is often seen in large palatal canals of maxillary molars or large distal canals of mandibular molars. This table clinic aims to present a unique technique to overcome some challenges in obturating these large canals. While traditional methods include using multiple accessory gutta-percha cones to fill the space, this technique utilizes a gutta-percha delivery system to inject gutta-percha alongside the master cone starting apically and moving coronally. Filling the unoccupied canal space around the master cone makes it possible to downpack the master cone adequately and create an acceptable apical seal. This is a safe, easy, and efficient method to improve the obturation of teeth with large or irregularly shaped canals.