Category: Instrument Design
By Dr. Barry H. Korzen | Posted July 11, 2016
As with any instrument its effectiveness is based on a combination of flute design and taper. Hand stainless steel files have a 2% taper and therefore the natural progression for the next instrument would be a 3% taper. Ultimately we want to instrument the canal to a minimum 4% taper therefore combining a 3% taper with an effective flute design speeds up the entire instrumentation process.
By Dr. Barry H. Korzen | Posted April 18, 2014
In this, the fourth part of an interview with Dr. John McSpadden, he answers the question “Do you have a preference between rotary and reciprocation, and if so why?”
By Dr. Barry H. Korzen | Posted March 25, 2014
In Part 2 of a 4 part interview, John McSpadden suggests measures to reduce the possibility of having a procedural accident during endodontic instrumentation.
By Dr. Barry H. Korzen | Posted March 19, 2014
Why is the design of the instrument so important and how does that affect the technique protocol that the clinician ultimately chooses? Dr John T McSpadden answers this most important question in Part 1 of a 4 part interview.