Chemical Changes of Enamel Produced by Sodium Fluoride, Hydroxyapatite, Er:YAG Laser, and Combined Treatments
Occlusal pits and fissures of permanent molars are considered to have higher risk of developing caries. Enamel demineralization can be prevented by applying remineralizing agents, and their absorption increases with prior irradiation. This work evaluates the chemical changes produced by treating occ...
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| Format: | Article |
| Language: | English |
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Wiley
2018-01-01
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| Series: | Journal of Spectroscopy |
| Online Access: | http://dx.doi.org/10.1155/2018/6750217 |
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| author | Alma Yadira Ceballos-Jiménez Laura Emma Rodríguez-Vilchis Rosalía Contreras-Bulnes Jesús Arenas Alatorre Rogelio José Scougall-Vilchis Ulises Velazquez-Enriquez María de los Angeles Moyaho-Bernal |
| author_facet | Alma Yadira Ceballos-Jiménez Laura Emma Rodríguez-Vilchis Rosalía Contreras-Bulnes Jesús Arenas Alatorre Rogelio José Scougall-Vilchis Ulises Velazquez-Enriquez María de los Angeles Moyaho-Bernal |
| author_sort | Alma Yadira Ceballos-Jiménez |
| collection | DOAJ |
| description | Occlusal pits and fissures of permanent molars are considered to have higher risk of developing caries. Enamel demineralization can be prevented by applying remineralizing agents, and their absorption increases with prior irradiation. This work evaluates the chemical changes produced by treating occlusal surfaces with sodium fluoride (NaF), hydroxyapatite-NaF-xylitol (HA-NaF-X), Er:YAG laser irradiation (L), and combinations thereof. Fifty enamel samples were randomly assigned to five groups (n=10): NaF, HA-NaF-X, L, L + NaF, and L + HA-NaF-X. The chemical composition of human enamel was evaluated before (BT) and after (AT) treatment using energy-dispersive X-ray spectroscopy (EDS) and expressed in atomic percentages (at%). For combined treatment groups, the products were applied after laser irradiation. The statistical analyses included a paired t-test and ANOVA (p≤0.05). After treatment, a significant increase in F at% was observed in the NaF group (2.71 ± 1.41). The irradiated groups showed significant increases in Ca and P at% and the Ca/P ratio. The highest values occurred for L + NaF (30.44 ± 4.28 Ca at%, 11.97 ± 1.45 P at%, and 2.55 ± 0.22 Ca/P ratio). Er:YAG laser irradiation alone or in combined protocols increased the Ca and P content of dental enamel, in vitro. |
| format | Article |
| id | doaj-art-daeb116530234ec3b9e00c2649f28bf2 |
| institution | Kabale University |
| issn | 2314-4920 2314-4939 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Spectroscopy |
| spelling | doaj-art-daeb116530234ec3b9e00c2649f28bf22025-02-03T05:45:34ZengWileyJournal of Spectroscopy2314-49202314-49392018-01-01201810.1155/2018/67502176750217Chemical Changes of Enamel Produced by Sodium Fluoride, Hydroxyapatite, Er:YAG Laser, and Combined TreatmentsAlma Yadira Ceballos-Jiménez0Laura Emma Rodríguez-Vilchis1Rosalía Contreras-Bulnes2Jesús Arenas Alatorre3Rogelio José Scougall-Vilchis4Ulises Velazquez-Enriquez5María de los Angeles Moyaho-Bernal6Universidad Autónoma del Estado de México, Facultad de Odontología, Centro de Investigación y Estudios Avanzados en Odontología, Jesús Carranza esq. Paseo Tollocan, Col. Universidad, 50130 Toluca, MEX, MexicoUniversidad Autónoma del Estado de México, Facultad de Odontología, Centro de Investigación y Estudios Avanzados en Odontología, Jesús Carranza esq. Paseo Tollocan, Col. Universidad, 50130 Toluca, MEX, MexicoUniversidad Autónoma del Estado de México, Facultad de Odontología, Centro de Investigación y Estudios Avanzados en Odontología, Jesús Carranza esq. Paseo Tollocan, Col. Universidad, 50130 Toluca, MEX, MexicoUniversidad Nacional Autónoma de México, Departamento de Materia Condensada, Facultad de Ciencias UNAM, Instituto de Física, Circuito Exterior s/n, Coyoacán, Cd. Universitaria, 04510 Ciudad de México, MexicoUniversidad Autónoma del Estado de México, Facultad de Odontología, Centro de Investigación y Estudios Avanzados en Odontología, Jesús Carranza esq. Paseo Tollocan, Col. Universidad, 50130 Toluca, MEX, MexicoUniversidad Autónoma del Estado de México, Facultad de Odontología, Centro de Investigación y Estudios Avanzados en Odontología, Jesús Carranza esq. Paseo Tollocan, Col. Universidad, 50130 Toluca, MEX, MexicoUniversidad Autónoma del Estado de México, Facultad de Odontología, Centro de Investigación y Estudios Avanzados en Odontología, Jesús Carranza esq. Paseo Tollocan, Col. Universidad, 50130 Toluca, MEX, MexicoOcclusal pits and fissures of permanent molars are considered to have higher risk of developing caries. Enamel demineralization can be prevented by applying remineralizing agents, and their absorption increases with prior irradiation. This work evaluates the chemical changes produced by treating occlusal surfaces with sodium fluoride (NaF), hydroxyapatite-NaF-xylitol (HA-NaF-X), Er:YAG laser irradiation (L), and combinations thereof. Fifty enamel samples were randomly assigned to five groups (n=10): NaF, HA-NaF-X, L, L + NaF, and L + HA-NaF-X. The chemical composition of human enamel was evaluated before (BT) and after (AT) treatment using energy-dispersive X-ray spectroscopy (EDS) and expressed in atomic percentages (at%). For combined treatment groups, the products were applied after laser irradiation. The statistical analyses included a paired t-test and ANOVA (p≤0.05). After treatment, a significant increase in F at% was observed in the NaF group (2.71 ± 1.41). The irradiated groups showed significant increases in Ca and P at% and the Ca/P ratio. The highest values occurred for L + NaF (30.44 ± 4.28 Ca at%, 11.97 ± 1.45 P at%, and 2.55 ± 0.22 Ca/P ratio). Er:YAG laser irradiation alone or in combined protocols increased the Ca and P content of dental enamel, in vitro.http://dx.doi.org/10.1155/2018/6750217 |
| spellingShingle | Alma Yadira Ceballos-Jiménez Laura Emma Rodríguez-Vilchis Rosalía Contreras-Bulnes Jesús Arenas Alatorre Rogelio José Scougall-Vilchis Ulises Velazquez-Enriquez María de los Angeles Moyaho-Bernal Chemical Changes of Enamel Produced by Sodium Fluoride, Hydroxyapatite, Er:YAG Laser, and Combined Treatments Journal of Spectroscopy |
| title | Chemical Changes of Enamel Produced by Sodium Fluoride, Hydroxyapatite, Er:YAG Laser, and Combined Treatments |
| title_full | Chemical Changes of Enamel Produced by Sodium Fluoride, Hydroxyapatite, Er:YAG Laser, and Combined Treatments |
| title_fullStr | Chemical Changes of Enamel Produced by Sodium Fluoride, Hydroxyapatite, Er:YAG Laser, and Combined Treatments |
| title_full_unstemmed | Chemical Changes of Enamel Produced by Sodium Fluoride, Hydroxyapatite, Er:YAG Laser, and Combined Treatments |
| title_short | Chemical Changes of Enamel Produced by Sodium Fluoride, Hydroxyapatite, Er:YAG Laser, and Combined Treatments |
| title_sort | chemical changes of enamel produced by sodium fluoride hydroxyapatite er yag laser and combined treatments |
| url | http://dx.doi.org/10.1155/2018/6750217 |
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