Colorimetric Comparison of Internal Bleaching with and without Removing Mineral Trioxide Aggregate (MTA) on Induced Coronal Tooth Discoloration by MTA

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">ΔE1</td><td class="align_center" rowspan="3">Intact teeth and MTA-stained (T0/T1)</td></tr><tr><td class="align_left">ΔL1</td></tr><tr><td class="align_left">Δb1</td></tr><tr><td class="align_left">ΔE2</td><td class="align_center" rowspan="3">Before and after MTA removal (T2/T3) (in group A)</td></tr><tr><td class="align_left">ΔL2</td></tr><tr><td class="align_left">Δb2</td></tr><tr><td class="align_left">ΔE3</td><td class="align_center" rowspan="3">MTA-stained teeth and bleaching sessions (T1/T4–T8)</td></tr><tr><td class="align_left">ΔL3</td></tr><tr><td class="align_left">Δb3</td></tr><tr><td class="align_left">ΔE4</td><td class="align_center" rowspan="3">Intact teeth and bleaching sessions (T0/T4–T8)</td></tr><tr><td class="align_left">ΔL4</td></tr><tr><td class="align_left">Δb4</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The stages of ∆E, ∆L, and ∆b calculation.</div>

International Journal of Dentistry

tab2

Table 2

Table 2: Colorimetric Comparison of Internal Bleaching with and without Removing Mineral Trioxide Aggregate (MTA) on Induced Coronal Tooth Discoloration by MTA 

Table 2 | Colorimetric Comparison of Internal Bleaching with and without Removing Mineral Trioxide Aggregate (MTA) on Induced Coronal Tooth Discoloration by MTA 