Abstract:Objective
Evaluate the effectiveness and color stability of bleaching techniques on blood‐stained teeth.
Material and Methods
The teeth were stained by blood and allocated to groups: walking bleach, inside/outside, and in‐office bleaching. L*, a*, b*, C*, h° color coordinates were measured using a clinical spectrophotometer at baseline, weekly (T1‐T2‐T3), and at 1‐week (T4), 6‐months (T5), and 1‐year (T6) follow‐up evaluations. ΔEab*, ΔE00, and ΔWID were calculated between sequential evaluation timepoints and … Show more
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