Coronal reaming

The opening of the root canal system is followed by the preparation of the root canals. Given that most bacteria are found in the coronal third of the root canal, it is particularly important to clean this section of the canal right at the start, making sure that the subsequently used files do not spread the bacteria towards the apex. This step has the added advantage of facilitating the work of the next files and improving the dentist’s field of vision. Komet provides a vast line of instruments for this, from the well-established Gates-Glidden burs to Orifice Openers. These files for the mechanical preparation of root canals are provided with a short working part and large taper to facilitate particularly efficient work. 

The Opener

The Opener.

This Opener is ideally suited for the fast and generous enlargement of the canal entrance zone. It reliably removes most bacteria from the canal right at the start of the treatment. The fast-cutting design of the file ensures quick and thorough removal of the infected coronal tissue. What’s more, the construction of the opener opens new perspectives: an improved view of the work field, especially in combination with magnifying glasses or a microscope. The preparatory work done by the Opener relieves the strain on the subsequently used file system and creates ideal conditions for the preparation further down the root canal.


  • Quick enlargement of the canal entrance zone
  • Fast-cutting file design
  • Improved vision
  • Suitable for universal use
  • Less strain on the subsequently used file system

More Opener.

Reciprocating Opener

The reciprocating alternative to the established openers.

By the way, it does not matter if you prefer working to a reciprocating or rotary method: both versions of the Opener are suitable for universal use and can be combined with any file system and preparation technique.

FQ Opener

Shapes the channel entrance to create an ideal, straight access. Thanks to its small size and heat treatment, the FQ Opener also enables access to narrow or hard to reach canals, especially MB2.