Comparative evaluation of quantitative color changes in discolored anterior teeth by bleaching, resin infiltration, and microabrasion: A randomized clinical trial.
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Abstract
Objective: This study aims to evaluate and compare the effects of bleaching, microabrasion, and resin infiltration (RI) techniques on discolored vital anterior teeth.
Materials and methods: Patients with anterior vital teeth with brown discolorations were selected for this study. The sample size was estimated at 15 teeth per group and assigned according to the treatment done: Group 1 (microabrasion), Group 2 (microabrasion and RI), Group 3 (microabrasion, bleaching, and RI), Group 4 (bleaching and RI), and Group 5 (bleaching). Standardized photographs were taken at the preoperative visit (T1), immediately after treatment (T2), and during the follow-up visit after 1 week (T3), and at 6 months (T4). The photographs were analyzed using (L* a* b*) values with the help of Adobe Photoshop 2021 software to show the assessment of values. Respective values were used to evaluate a quantitative evaluation of color change (ΔE).
Results: The highest value change (ΔE = 20.72 ± 3.06) was seen in Group 3 which was statistically significant, suggesting that microabrasion and bleaching followed by RI offer better results than the other groups.
Conclusion: Combining microabrasion, bleaching, and RI techniques offers the best treatment outcome for tooth discolorations among all groups.
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