From Dr. Antonis Chaniotis – Email – anth@otenet.gr – Kalithea, Athens, Greece
Sometimes, the removal of deeply broken well- fitted Silver Cones could be very challenging. The Masserann file extractor system or another similar file extractor system can be used for

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this reason with great success. In this video, I tried to video-visualize the way these systems work. I hope you will enjoy it.