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In order to investigate the high-power pulsed Nd:YAG laser's capability of removing root canal obstructions, metal posts, root canal obturation materials and fractured K-files in the root canal of extracted human teeth were irradiated at 900 mJ, 10 pulses per second (pps). Total irradiation time for their complete removal, the rate of postoperative increase in the root canal area and temperature elevation...
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