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About FKG Dentaire SA

Founded in Switzerland in 1931, FKG Dentaire SA gained new momentum in 1994

In 1997 Development of a completely revolutionary rotary NiTi instrument, the"Race" (Reamers with Alternating Cutting Edges). New CNC machines were developed to produce these new files in NiTi

In 1999 Launch of the SMD "SafetyMemoDisc", a decrementing system to master metal fatigue

This company focuses on the manufacture of root canal instruments, posts and various screws.

Their Advancements with us:

Race(Reamer with Alternating Cutting Edges)

With the appearance of nickel-titanium (NiTi) alloy, the domain of endodontic instrument production discovered a material which is flexible, extremely elastic, resistant and bio-compatible. Working in continuous rotation became possible, through which a simplicity of use and incomparable time savings were achieved.

Most conventional reaming instruments (in stainless steel) are designed like screws, having one or more cutting helixes. The file design was not adapted to the new alloy, therefore, when used in continuous rotation, one main inconvenience appeared: the increased risk of screwing-in and blocking, which inevitably ends up in the instrument fracturing.

FKG Dentaire went a step ahead and developed a totally new file design to take advantage of the NiTi characteristics and to overcome the limits which are imposed by continuous rotation: the Race was born.

The Race system is the simple and advanced answer for endodontic treatments with a complete family of shaping and retreatment files with exclusive advantages and features.

Race instruments can be used in ad-hoc sequences according to the practitioner’s needs and are also available in specific sequences. They come in both sterile and non-sterile packs.



Elimination of screwing-in effect

Alternating cutting edges

The exclusive patented file design avoids screwing-in effect and allows a better control of the instrument’s progression

Optimal cutting efficiency

Triangular cross-section with sharp edges

Cuts better and faster, without any pressure

The smaller core grants a higher flexibility (2) and allows a better progression in curved canals

More space for debris removal (3), improving debris evacuation to avoid instrument blocking

Exclusive rounded safety tip*

Perfect centering of the instrument in the canal

  • Bypasses irregularities and avoids lateral canals
  • Less risk of perforations and ledges *Except for D-Race first instrument (DR1) which has an active tip

Electrochemical polishing

Enhanced resistance against fatigue and corrosion

  • The treatment eliminates surface imperfections, reducing drastically the risk of weak points (micro-cracks)
  • The resulting shiny surface allows better cleaning and disinfection, improving the sterilization process

Optimal use of Race instruments

  • Speed: 600-1'000 rpm - Torque: 1-1.5 Ncm, depending on instruments
  • Gentle back and forth strokes
  • Light touch, let the instrument do the work
  • Work for 3-4 seconds at a time, then withdraw
  • Clean the blade and irrigate the canal.

Which motors can the Race files be used with?

  • Unit motors, to reach the minimum recommended speed of 600 rpm:
  • Air motors 20'000 rpm: use a contra angle 32:1 reducer
  • Electric motors 40'000 rpm: use a contra angle 64:1, 70:1 reducer
  • Endodontic motors, corded or cordless like the Rooter(FKG):
  • Set the speed to 600-1'000 rpm and the torque to 1 to 1.5 Ncm

How many times can a Race be used?

SafetyMemoDiscs (SMD) come fixed to Race files. When the recommendations below are followed, SMD enables optimal use of the instruments and control over metal fatigue. Between one and four petals are removed from the flange after each treatment. The number of petals remaining indicates which types of treatment are still possible:

  1. One petal corresponds to simple cases (S), i.e., straight, slightly curved or wide canals
  2. Two petals correspond to moderately complex cases (M), i.e., more curved or narrow canals
  3. Four petals correspond to difficult cases (D), i.e. canals that are, S-shaped, very narrow, calcified or with extreme curvature.

Available sequences

Glide path

ScoutRace, for mechanised glide path preparation

Sequence of 3 instruments with .02 taper and with ISO sizes of 10, 15 and 20. Designed to mechanically prepare the glide path of root canals: straight, with severe curvature or «S» type.

Race ISO 10, for preparation of calcified or narrow canals

3 instruments all with a size of ISO 10 and with .02, .04 and .06 taper. Designed to permeabilize calcified or very narrow canals when manual K files of ISO 06 or 08 cannot progress further.

Root canal preparation

BT-Race, biological and conservative

The ready to use BT-Race sequence is sterile-packed and single-use. The sequence, with 3 files, is suitable for most types of canals and allows to reach a final apical size of ISO 35/.04*

iRace, quick, effective and safe

Only 3 iRace files are needed to treat most cases. iRace sequence is easy to learn and to use, meaning considerable time saving and allows a final apical size of ISO 30/.04*

BioRace, reliable and biological

BioRace has been specially designed to achieve the biological aim of the root canal treatment without compromising efficiency. The sequence - 6 files - is made to reach apical size of ISO 40/.04*


D-Race, root filling removal

D-Race files are intended to remove different filling materials - up to working length with only 2 instruments - such as gutta-percha, carriers, paste and resin-based materials.