Careful preparation, shaping and subsequent obturation of the root canal are essential steps in the process. ... Wesselink PR. A comparison between a smooth wire and a K-file in removing artificially ...

Imagine this, You're happily eating your favorite ice cream when suddenly you feel a sharp stinging pain in your tooth.

Lim and Stock 12 found that the thinnest area in the danger zone after preparation should be no less than 0.3 mm, so as to afford resistance to forces during the obturation of the root canal.