Evaluation of the Effectiveness of Laser-Assisted Bleaching of the Teeth Discolored due to Regenerative Endodontic Treatment

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Group</td><td class="align_center" colspan="4">Bleaching session</td></tr><tr class="thead"><td class="align_center">First (T2)</td><td class="align_center">Second (T3)</td><td class="align_center">Third (T4)</td><td class="align_center">Forth (T5)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">H<sub>2</sub>O<sub>2</sub> gel</td><td class="align_center">6.78 ± 4.35</td><td class="align_center">15.65 ± 6.44</td><td class="align_center">17.62 ± 7.64</td><td class="align_center">20.61 ± 8.62</td></tr><tr><td class="align_left">H<sub>2</sub>O<sub>2</sub> gel + Nd: YAG</td><td class="align_center">7.26 ± 2.01</td><td class="align_center">16.69 ± 8.36</td><td class="align_center">18.94 ± 9.79</td><td class="align_center">21.17 ± 10.71</td></tr><tr><td class="align_left">H<sub>2</sub>O<sub>2</sub> gel + 980 nm diode</td><td class="align_center">8.55 ± 4.10</td><td class="align_center">13.39 ± 4.86</td><td class="align_center">16.55 ± 5.71</td><td class="align_center">18.94 ± 5.33</td></tr><tr><td class="align_left">H<sub>2</sub>O<sub>2</sub> gel + 810 nm diode</td><td class="align_center">7.16 ± 4.40</td><td class="align_center">15.04 ± 7.19</td><td class="align_center">20.18 ± 7.87</td><td class="align_center">20.66 ± 8.12</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mean whitening values and standard deviations for each group at each bleaching session.</div>

International Journal of Dentistry

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Table 1

Table 1: Evaluation of the Effectiveness of Laser-Assisted Bleaching of the Teeth Discolored due to Regenerative Endodontic Treatment 