The K4 System

The K4 prethreading system of modern dentistry ....

Simple because ....
... the precision instruments prepare a cylindrical form to enable a thread to be cut into the canal wall. Cut not squeezed, scraped, or wedged in.
Safe because ....
... the sharp three bladed Thread Cutter cuts the unique K4 thread design into the canal wall, without causing stress.
Secure because ....
... of the precision matching of the threaded post with the Thread Cutter; secure because of the cement buffer which combines maximum retention with optimum stress distribution.
Successful because ....
...of a unique step forward in stress distribution with precision bioengineering creating maximum retention.*

Long life Swiss precision instruments, with meticulously matching Anchors
and Anchor refills, provide superb quality at reasonable prices.

  • A passive post
  • The best retention
  • The largest surface area
  • The best stress distribution
  • Cement buffers for lateral stress distribution

What is the secret behind the K4 success story?

  • The K4 Anchor Concept uses a sharp, three bladed Thread Cutter 20-25 microns wider all round than the matching threaded shank.
  • The unique K4 cutting profile ensures there will be no lateral contact between the crest of the threads and the canal wall. The space so created becomes a cement buffer.
  • The overall parallel configuration and the buffer layer of cement contribute to the distribution of forces.
  • There are 72 threads to the inch (0.35mm pitch), creating a larger surface area for optimum retention and stress distribution.
  • The K4 post does NOT flex, it is rigid. It cannot bend away from the preparation, producing optimum retention and stress distribution.
  • The crest of the K4 thread is rounded. No sharp line angles exist which can cause points of stress concentration.
  • The K4 Anchor achieves a passive fit in the preparation, it can easily be screwed in by hand; try the same with self-threaded posts and feel the difference. The vital difference!
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