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Miscellaneous endodontic instruments. From left: Lentulo spiral, reamer, K-file and H-file. Hand files can provide tactile sensation when cleaning or shaping root canals. This allows the dentist to feel changes in resistance or angulation, which can help determine curvature, calcification and/or changes in anatomy, in which two dimensional radiographs may not always identif
Nickel titanium rotary file used in dentistry. A nickel titanium rotary file is an engine-driven tapered and pointed endodontic instrument made of nickel titanium alloy with cutting edges used to mechanically shape and prepare the root canals during endodontic therapy or to remove the root canal obturating material while performing retreatment.
The risk of endodontic files fracturing can be minimised by: [43] Ensuring access cavity allows straight-line introduction of files into canals; Creating a glide path before use of larger taper NiTi files; Using rotary instruments at the manufacturer's recommended speed and torque setting; Adopting a single-use file policy to prevent overuse of ...
MeSH E06.231.310.360 – dental implantation, endosseous, endodontic MeSH E06.231.482 – dental implantation, subperiosteal MeSH E06.261 – dental models
Root canal is also a colloquial term for a dental operation, endodontic therapy, wherein the pulp is cleaned out, the space disinfected and then filled. When rotary nickel titanium (NiTi) files are used in canals with flat-oval or tear-shaped cross sections, a circular bore is created due to the rotational action of the metal.
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Not only does endodontics involve treatment when a dental pulp is present, but also includes preserving teeth which have failed to respond to non-surgical endodontic treatment, or for teeth that have developed new lesions, e.g., when root canal re-treatment is required, or periradicular surgery.
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