Style Italiano Endodontics on Instagram: "Management of Tooth No. 46 - A Journey Through the Tightest Pathways. A challenging case of tooth No. 46 with very narrow canals. MM canal detected under magnification negotiated with size 10 k manual file. Working length was precisely determined using the Wispex apex locator from Fanta Dental. Shaping was performed with Fanta v-taper rotary files. The canals were obturated with a modified heat obturation technique, achieving a flawless three dimensional