Aim of Study: To describe the endodontic treatment of 4 cases of differing anatomical complexity using the novel WaveOne Gold® reciprocating single-file system.
Case Series: 4 patients were referred for endodontic treatment of teeth 17, 37, 47 and 46. The root canals were cleaned and shaped using mechanized Pathfile instruments with continuous rotary movement and then reciprocating movement using the WaveOne Gold single-file system. The irrigants used were a solution of 5% sodium hypochlorite (NaOCl) and 17% Ethylenediaminetetraacetic acid (EDTA).
Conclusion: WaveOne Gold reciprocating single-file system represents an advance in root canal preparation. Their flexibility and cutting capacity make the mechanical preparation of curved canals safer, faster and easier than other instruments. In the cases we describe, the instrument was able to maintain the original shape of the root canal and did not present fractures in any of the cases.