One RECI is a high-quality single-use file system for dentists who prefer reciprocating instrumentation. The One RECI file, inspired by a proven and patented cross-section, utilizes C.Wire heat treatment technology and adopts a minimally invasive approach in line with current demands. By shaping the root canal with One RECI in a reciprocating motion, dentists will benefit from cutting efficiency, safety, as well as the flexibility and minimally invasive nature of the file. One RECI is presented sterilized.