In this video, Dr. Nasseh demonstrates a new concept of instrumentation he referred to "Available Length."
The idea is to use the #15 Hand file to determine available patency to an available length that is short of the estimated length, then instrument just short of that length.
Then determine a new available length and use NiTi Files short of that. Then determine Working length and do cycles of rotary instrumentation until length is achieved with your desired file.
RECOMMENDED BOOK
Richard S. Schwartz, Venkat Canakapalli and Anthony L. Horalek
353 Pages - QUINTESSENCE PUB - 2015
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