Abstract:This in vitro study evaluated the cutting ability of reciprocating files and the deformations caused by their multiple use. Five Reciproc ® R25 files were divided into five groups for 10 simulated root canal preparations each. The resin blocks were weighed and photographed (12.5X and 20X) before and after preparation. The canals were prepared according to the manufacturer's instructions. Enlargement of the root canals was evaluated by comparison of pre-and post-preparation images using a computer software. The… Show more
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