Flexofile: Design & Structure

Flexofiles are manufactured from triangular (note!) steel wire that is twisted to give the typical profile of a K-file. The angle between the long-axis and the cutting blade is bigger than in reamers, which is why preparation by flexofile is effective both in rotating motion and in filing motion (up and down movement)

The tip of the instrument is non-cutting ('bat-tip')which makes the flexofile well suited for the preparation of evenly curved canals without the risk of ledge formation.