Dental and Medical Problems

Dent Med Probl
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Dental and Medical Problems

2018, vol. 55, nr 3, July-September, p. 255–259

doi: 10.17219/dmp/93960

Publication type: original article

Language: English

License: Creative Commons Attribution 3.0 Unported (CC BY 3.0)

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Acid resistance of dental enamel treated with remineralizing agents, Er:YAG laser and combined treatments

Odporność szkliwa na kwasy po zastosowaniu środków remineralizujących, lasera Er:YAG i ich połączenia

Alma Y. Ceballos-Jiménez1,B,C,D,F, Laura E. Rodríguez-Vilchis1,A,B,C,D,E,F, Rosalía Contreras-Bulnes1,A,B,C,D,E,F, Jesús Á. Arenas Alatorre2,A,C,F, Ulises Velazquez-Enriquez1,C,E,F, Maria M. García-Fabila3,B,F

1 Advanced Studies and Research Center, Faculty of Dentistry, Autonomous University of the State of Mexico, Toluca, Mexico

2 Department of Condensed Matter, Institute of Physics, National Autonomous University of Mexico, Mexico City, Mexico

3 Instrumental Analysis Laboratory, Institute of Chemistry, Autonomous University of the State of Mexico, Toluca, Mexico

Abstract

Background. It has been reported that lasers can increase resistance to enamel acids, and when it is associated with fluoride, both are reported to work in synergy, achieving a reduction of the solubility of enamel. Currently, other remineralizing agents have been shown to effectively inhibit enamel demineralization.
Objectives. The aim of the study was to evaluate acid resistance in the occlusal surface of permanent teeth, treated with remineralizing agents, erbium-doped yttrium aluminum garnet (Er:YAG) laser and combined treatments.
Material and Methods. Eighty samples of enamel were randomly assigned to 8 groups (n = 10): a control group, and groups treated with sodium fluoride (NaF), casein phosphopeptide-amorphous calcium phosphate with NaF (CPP-ACPF), hydroxyapatite-NaF-xylitol (HA-NaF-X), Er:YAG laser (L), L+NaF, L+CPP-ACPF, and L+HA-NaF-X. The samples were placed in an acid solution and the released calcium (Ca) was quantified by atomic absorption spectrometry.
Results. In the groups treated with NaF and L+NaF, a lower loss of Ca was observed − 15.27 ±5.17 mg/L and 15.20 ±3.85 mg/L, respectively − compared to the control group, which had the highest Ca loss: 21.93 ±13.24 mg/L.
Conclusion. Although the combination of Er:YAG laser plus NaF and the single application of NaF showed values suggesting superior resistance to demineralization of dental enamel compared to all the other groups in the study, no statistically significant differences were found to support this assertion.

Key words

erbium-doped yttrium aluminum garnet laser, occlusal surface, remineralizing agents, acid resistance

Słowa kluczowe

laser erbowo-jagowy, powierzchnia żująca, środki remineralizujące, odporność na kwasy

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