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Erschienen in: Lasers in Dental Science 3/2022

04.06.2022 | Original Article

Comparative effects of different Er:YAG laser dosages on the surface roughness of demineralized enamel

verfasst von: Zahra Vahedi, Haleh Kazemi Yazdi, Romina Rahimian Esfahani, Mehdi Vatanpour

Erschienen in: Lasers in Dental Science | Ausgabe 3/2022

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Abstract

Purpose

Remineralization of incipient caries is important to save a tooth. Although fluoride therapy can reverse the process of demineralization of the tooth, it seems some other factors such as laser can improve its effectiveness. One of the most important factors to evaluate remineralized enamel is enamel roughness. The present study aimed to evaluate the effect of combined application of Er:YAG laser energy density and fluoride varnish on the surface roughness of demineralized enamel.

Methods

Thirty buccal and lingual slabs were taken from impacted human molar teeth and were divided into six groups. All samples underwent acidic cycle to create incipient caries. The positive control group had incipient caries and underwent fluoride varnish. The negative control group had incipient caries without intervention. The third group included teeth with healthy enamel. The last three groups underwent Er:YAG laser therapy, with 6, 8, and 24 J/\({\mathrm{Cm}}^{2}\) energy density. Surface roughness was measured by a profilometer. Data were analyzed by one-way ANOVA and Tamhane tests.

Results

The groups undergoing 6 and 8 J/\({\mathrm{Cm}}^{2}\) and fluoride varnish control group had significantly higher roughness in comparison with healthy enamel (P = 0.054, 0.027, 0.029). The group undergoing 24 J/\({\mathrm{Cm}}^{2}\) showed more similarity in roughness with healthy enamel (P = 0.168).

Conclusion

It seems use of Er:YAG laser alongside fluoride varnish can improve surface roughness in groups.
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Metadaten
Titel
Comparative effects of different Er:YAG laser dosages on the surface roughness of demineralized enamel
verfasst von
Zahra Vahedi
Haleh Kazemi Yazdi
Romina Rahimian Esfahani
Mehdi Vatanpour
Publikationsdatum
04.06.2022
Verlag
Springer International Publishing
Erschienen in
Lasers in Dental Science / Ausgabe 3/2022
Elektronische ISSN: 2367-2587
DOI
https://doi.org/10.1007/s41547-022-00161-2

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