Global consensus report of the World Federation for Laser Dentistry (WFLD) on laser-assisted caries treatment and prevention.

Namour, Samir; Brugnera Junior, Aldo; Zeinoun, Toni; Matys, Jacek; Bordin-Aykroyd, Sonia; Nahas, Paul; El Mobadder, Marwan; Sattayut, Sajee; Todea, Darinca Carmen; Aoki, Akira; Grzech-Leśniak, Kinga

doi:10.17219/dmp/211449

Article (Scientific journals)

Global consensus report of the World Federation for Laser Dentistry (WFLD) on laser-assisted caries treatment and prevention.

Namour, Samir; Brugnera Junior, Aldo; Zeinoun, Toni et al.

2025 • In Dental and Medical Problems, 62 (5), p. 783 - 800

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/340038

DOI
10.17219/dmp/211449

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41267668

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Keywords :

dental caries; dental caries prevention; evidence-based dentistry; lasers; Humans; Lasers, Solid-State/therapeutic use; Consensus; Dental Caries/prevention & control; Dental Caries/therapy; Laser Therapy/methods; Laser Therapy; Lasers, Solid-State; Medicine (all); Dentistry (all)

Abstract :

[en] [en] BACKGROUND: This article presents the global consensus report of the World Federation for Laser Dentistry (WFLD) on laser-assisted caries prevention and management. Laser-assisted caries removal is a minimally invasive approach based on selective ablation, targeting demineralized tissues while preserving the adjacent healthy enamel and dentin. This approach aligns with the principles of modern conservative dentistry. Erbium-doped yttrium aluminum garnet (Er:YAG) and erbium, chromium-doped yttrium scandium gallium garnet (Er,Cr:YSGG) lasers are highly absorbed by water and hydroxyapatite (HAP), enabling precise ablation with minimal thermal diffusion and collateral damage. Laser wavelengths can also exhibit bactericidal effects through thermal and photomechanical mechanisms, reducing the microbial load in carious lesions. OBJECTIVES: The aim was to review, evaluate and consolidate the current evidence on the use of laser technologies in caries prevention and treatment, in light of the emerging scientific knowledge and clinical advancements. MATERIAL AND METHODS: This summary is based on the current evidence from in vitro, ex vivo and clinical studies evaluating the interaction of erbium-based lasers (Er:YAG, Er,Cr:YSGG) with enamel and dentin, their effect on the microbial load, fluoride uptake and resin adhesion, and their use in photobiomodulation (PBM) therapy. RESULTS: Laser irradiation induces physicochemical changes in enamel, such as superficial melting and recrystallization, reducing porosity and increasing resistance to acid attacks. Fluoride uptake is enhanced through microstructural modifications, especially when combined with topical fluoride. Subablative laser settings synergize with fluoride to enhance retention without damaging enamel. Laser conditioning before fissure sealing improves surface energy and resin adhesion, reducing microleakage. Photobiomodulation promotes remineralization in early lesions via cellular stimulation. CONCLUSIONS: Laser-assisted caries treatment offers precise, minimally invasive management of dental caries with added benefits, such as microbial reduction, structural enhancement and improved adhesion. Careful control of parameters is essential to balance efficacy and safety. Further studies are needed to standardize protocols and confirm long-term outcomes in clinical practice.

Disciplines :

Dentistry & oral medicine

Author, co-author :

Namour, Samir ; Université de Liège - ULiège > Département des sciences dentaires

Brugnera Junior, Aldo ; São Carlos Institute of Physics (IFSC), University of São Paulo (USP), Brazil

Zeinoun, Toni ; Department of Periodontology, Faculty of Dental Medicine, Lebanese University, Beirut, Lebanon

Matys, Jacek ; Department of Dental Surgery, Faculty of Dentistry, Wroclaw Medical University, Poland

Bordin-Aykroyd, Sonia ; School of Pharmacy, De Montfort University, Leicester, UK

Nahas, Paul ; Department of Restorative and Esthetic Dentistry, Faculty of Dental Medicine, Lebanese University, Rafic Hariri Campus, Hadath, Beirut, Lebanon

El Mobadder, Marwan; Department of Dental Sciences, Faculty of Medicine, University of Liège, Belgium

Sattayut, Sajee ; Lasers in Dentistry Research Group, Khon Kaen University, Thailand

Todea, Darinca Carmen ; Department of Oral Rehabilitation and Dental Emergencies, School of Dentistry, Victor Babeș University of Medicine and Pharmacy, Timișoara, Romania

Aoki, Akira ; Department of Periodontology, Graduate School of Medical and Dental Sciences, Institute of Science Tokyo, Tokyo, Japan

Grzech-Leśniak, Kinga ; Department of Integrated Dentistry, Faculty of Dentistry, Wroclaw Medical University, Poland ; Department of Periodontics, School of Dentistry, Virginia Commonwealth University, Richmond, USA

Language :

English

Title :

Global consensus report of the World Federation for Laser Dentistry (WFLD) on laser-assisted caries treatment and prevention.

Publication date :

2025

Journal title :

Dental and Medical Problems

ISSN :

1644-387X

eISSN :

2300-9020

Publisher :

Wroclaw Medical University, Poland

Volume :

Issue :

Pages :

783 - 800

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 19 January 2026

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