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Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique

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Color Change of Resin-based Composites After In Vitro Bleaching Protocols: A Systematic Review and Meta-analysis.

M L Vidal¹, O E Pecho², K Collares³

¹Marina Lermenn Vidal, DDS, MS, PhD, Postgraduate Program in Dentistry, Dental School, University of Passo Fundo, Brazil.

Operative Dentistry

|January 14, 2022

Summary

This summary is machine-generated.

Resin-based composites (RBCs) do change color after in vitro bleaching. However, factors like storage time and measurement device, not the bleaching protocol itself, influence this color change, which remains clinically insignificant.

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Area of Science:

Dental Materials Science
Restorative Dentistry
Biomaterials

Background:

Resin-based composites (RBCs) are widely used dental restorative materials.
Dental bleaching procedures are common aesthetic treatments.
Understanding RBC color stability after bleaching is crucial for clinical success.

Purpose of the Study:

To systematically review literature on RBC color stability following in vitro bleaching.
To perform a meta-regression analysis on the influence of bleaching protocols on RBC color stability.
To assess associations with clinical and experimental characteristics.

Main Methods:

Systematic literature search of MEDLINE/PubMed, Scopus, and Web of Science.
Inclusion of English-language studies reporting CIELAB color differences of RBCs after hydrogen peroxide and/or carbamide peroxide bleaching.
Meta-regression analysis to evaluate influencing factors.

Main Results:

23 studies were included from an initial 1335 papers.
Storage time, color measuring device, and background color significantly influenced RBC color changes (p≤0.01).
The bleaching protocol (agent and application time) did not significantly influence RBC color changes (p>0.01).

Conclusions:

RBCs exhibit color changes after in vitro bleaching procedures.
These color alterations are not considered clinically significant.
Factors other than the bleaching protocol are more influential on observed color changes.