About endodontics
From the 2nd 50 percent on the nineteenth century, coarse devices ended up produced from piano wires so that you can enable the removal of tissue remnants in the root canals. But in 1904, Kerr Producing Firm (Romulus, MI) produced what could be regarded as the 1st correct endodontic devices: the K‐form files (K‐files) and K‐variety reamers (K