Canal-centering ability: An endodontic challenge

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This topic has 0 replies, 1 voice, and was last updated 14/12/2010 at 11:30 am by tirath.

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14/12/2010 at 11:30 am #9811

tirath
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During instrumentation of the root canal, it is important to develop a continuously tapered form and to maintain the original shape and position of the apical foramen. However, the presence of curvatures may cause difficulty in root canal instrumentation. The ability to keep the instruments centered is essential to provide a correct enlargement, without excessive weakening of the root structure. Several studies have shown that Ni-Ti instruments remain significantly more centered and demonstrated less canal transportation than stainless steel files. Considerable research has been undertaken to understand the several factors related to an instrument’s canal-centering ability.
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