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. 2018 Jul-Sep;12(3):403–409. doi: 10.4103/ejd.ejd_259_17

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Copyright: © 2018 European Journal of Dentistry

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Scanning electron microscope images representative of the root canal walls (mesiodistal direction) after action of the tested systems. Cervical (a), middle (b), and apical (c) thirds of the group instrumented with the WaveOne System. Note significant increase in the quantity of smear layer from the cervical to apical region; the same could be observed in the cervical (d), middle, (e) and apical (f) thirds of the samples of group Reciproc. Moreover, it was possible to observe a significantly larger quantity of smear layer in Group Reciproc in comparison with Group WaveOne (×1000)