Hand instrumentation in root canal preparation - Root Canal (Endodontics) Articles

Hand instrumentation in root canal preparation
Issue online:
18 Aug 2005
To cite this article: Elizabeth M Saunders (2005) Hand instrumentation in root canal preparation
Endodontic Topics 10 (1) , 163Ò167 doi:10.1111/j.1601-1546.2005.00127.x
Blackwell Synergy

Elizabeth M. Saunders

Abstract
Root canal preparation using traditional stainless-steel ISO 0.01 tapered instruments by hand very often results in iatrogenic damage to curved root canals. A further disadvantage is their tendency to create narrow canal shapes which makes effective access for irrigants more difficult and apical extrusion of debris more likely. The major advantage of NiTi alloy is its ability to retain flexibility with increased taper. This has resulted in the development of two groups of NiTi hand instruments Ò The GT Instruments which have 2Ò6 times the taper of ISO 0.02 files and Hand ProTaper which have a variable taper. Both are used with a crown-down sequence. These NiTi Hand instrumentation methods leave good tactile feedback and the start-up costs are low. They are an excellent teaching tool and a useful introduction to NiTi Rotary Techniques. They can be used exclusively or in conjunction with or complementary to rotary techniques. Hand NiTi instruments can be selected in teeth with difficult canal anatomy, secure apical curvature or awkward access for a hand piece.

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