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Vital laser-activated teeth bleaching and postoperative sensitivity: A systematic review
Amira Kikly1,2, Sabra Jaâfoura3,2, Saida Sahtout4,2
1Assistant professor, Department of Conservative Odontology, Faculty of Dental Medicine, University of Monastir, Monastir, Tunisia.
Summary
Laser-activated tooth bleaching enhances treatment efficiency, leading to noticeable color changes. However, this method does not significantly reduce postoperative tooth sensitivity, with study results on sensitivity remaining controversial.
Area of Science:
- Dental science
- Biomaterials
- Photochemistry
Background:
- Vital tooth bleaching is a common cosmetic dental procedure.
- Laser activation is an emerging technique to enhance bleaching efficacy.
- Postoperative sensitivity is a frequent concern with tooth bleaching.
Purpose of the Study:
- To systematically review the literature on laser-activated vital tooth bleaching.
- To evaluate the efficiency and impact on postoperative sensitivity of this technique.
Main Methods:
- A systematic literature search was performed on the Medline (PubMed) database.
- Keywords used included "Lasers" [Mesh] and "Tooth bleaching" [Mesh].
- Inclusion criteria comprised full-text clinical trials in English or French published between 2007 and 2019.
Main Results:
- Twelve articles met the inclusion criteria and were assessed for quality using the JADAD score.
- Laser activation resulted in a marked color change, irrespective of the bleaching agent used.
- The impact of laser activation on postoperative sensitivity yielded controversial results across the studies.
Conclusions:
- Laser activation of bleaching agents improves the efficiency of vital tooth bleaching.
- This review found no conclusive evidence that laser activation reduces postoperative sensitivity.
- Further research may be needed to clarify the role of lasers in managing bleaching-related sensitivity.
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