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This study aimed to evaluate the color change caused by hydraulic cements after 3 years in vitro by simulating their use in regenerative endodontic treatment (RET) and to quantify the color change after external bleaching with 40% hydrogen peroxide at 1, 6, and 12 months of follow-up. Fifty teeth were treated simulating RET. Samples were distribute...
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Context 1
... month after bleaching, a very effective (∆E 00 > 3.6 and ∆E ab > 5.4) to excellent (∆E 00 > 5.6 and ∆E ab > 8.1) result was found in all groups primarily at the expense of an increase in lightness (Figure 2A). At the end of the follow-up period, all groups showed a color reversion, returning to ∆E 00 values similar to those found three years after RET (∆E 00 in the last column of Table 2). From the lowest to the highest level of acceptability, the groups were ordered as follows: MM MTA< control < Biodentine < Totalfill < ProRoot. ...