Lasers in caries and erosion prevention
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Laser Light Therapy in Dentistry: Efficacy, Uses and Limitations
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Resumo
The use of laser radiation has shown benefits in different areas of human health. In
Dentistry, laser radiation at high or low intensity is widely used as an adjunct strategy to
the traditional therapeutic techniques in different specialties, and the observed effects
depend both on the parameters of the radiation used, as well as on the tissues to be treated
and their clinical condition.
High intensity lasers are used for cutting both hard and soft tissues, as well as for
hemostasis, vaporization, removal of decayed tissue, calculus, biofilm, and for
decontamination. Also, lasers can be used for preparing dental hard tissue for prosthetic
treatment, as well as to non-invasively remove ceramic or resin restorations, crowns, and
laminates. Still, due to its thermal effect, lasers have shown promising results in
preventing the appearance and progression of caries and erosion lesions in enamel and
dentin. These thermal effects can also enhance the action of other preventive strategies,
among which the topical application of fluoride stands out. The compositional effects of
Nd:YAG (λ = 1,064 nm), Er:YAG (λ = 2,094 nm) and Er,Cr:YSGG (λ = 2,078 nm) laser
wavelengths, applied under different conditions and in association or not with fluoride,
have been evaluated by Fourier transform infrared spectroscopy, a non-destructive
technique that allows the broad evaluation of the same sample in different periods; for
this reason, it is an extremely attractive technique for monitoring the treatments. Infrared thermography was also used in order to guide the choice of safe irradiation parameters
tested for future clinical use of these lasers. These aspects will be detailed in this chapter.
Como referenciar
ZEZELL, DENISE M.; ANA, PATRICIA A. Lasers in caries and erosion prevention: fluoride synergy and spectroscopy monitoring. In: ROMANOS, GEORGIOS E. (ed.). Laser Light Therapy in Dentistry: Efficacy, Uses and Limitations. New York, NY, USA: Nova Science Publishers, 2021. , cap. 6. p. 123-171. (Dentistry and Oral Sciences). DOI: https://doi.org/10.52305/YICB6320. Disponível em: http://repositorio.ipen.br/handle/123456789/33282. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.