Influences of bicarbonate on processes of enamel subsurface remineralization and demineralization: assessment using micro-Raman spectroscopy and transverse microradiography

Kuramochi, Erika; Iizuka, Junko; Mukai, Yukinori

doi:10.1111/eos.12301

Cited by 10 publications

(9 citation statements)

References 32 publications

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“…The non-invasive nature of this technique enables correlating the mineral contents to the mechanical properties of the surface by using the same areas. Although the mineral distribution was previously investigated, [ 21 ] no previous study was conducted to assess the structural alteration in enamel following various surface treatments.…”

Section: Introductionmentioning

confidence: 99%

The Effect of a Bioactive Oral System and CO2 Laser on Enamel Susceptibility to Acid Challenge

Shubbar

Addie²,

Al-Taee

2023

Diagnostics

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This study evaluated the structural changes of enamel treated by the Regenerate system and carbon dioxide (CO2) laser against acid challenge. Thirty human enamel slabs were prepared and assigned into three groups: Group I: untreated (control); Group II: treated with the Regenerate system; and Group III exposed to CO2 laser. All specimens were subjected to an acid challenge (pH 4.5–7.0) for 14 days. Specimens were evaluated and compared at 120 points using five Raman microspectroscopic peaks; the phosphate vibrations ν1, ν2, ν3, and ν4 at 960, 433, 1029, and 579 cm−1, respectively, and the carbonate at 1070 cm−1, followed by Vickers microhardness test. The ratio of carbonate to phosphate was correlated to the equivalent microhardness numbers. The intensities of phosphate peaks ν1, ν2, and ν4 were reduced in all groups post-acid challenge, while the carbonate and ν3 were significantly increased (p < 0.000). Surfaces treated by Regenerate exhibited higher peak intensity of phosphate and carbonate before and after pH-cycling (p < 0.05). The mineral content in enamel had a direct effect on tissue microhardness, and the CO2-lased surfaces showed a reduced carbonate content and higher microhardness values. Both approaches induced surface changes that can protect enamel against acid challenge resulting in a significant benefit for dental healthcare.

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Section: Introductionmentioning

confidence: 99%

The Effect of a Bioactive Oral System and CO2 Laser on Enamel Susceptibility to Acid Challenge

Shubbar

Addie²,

Al-Taee

2023

Diagnostics

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“…Artificial saliva is a remineralizing solution containing calcium ions and phosphate ions, which has been used in several experiments 18,21,[25][26][27] . In this study, a solution containing casein was used.…”

Section: Discussionmentioning

confidence: 99%

“…The coated specimens were immersed in AS (1.5 mM CaCl 2, 0.9 mM KH2PO4, 130 mM KCl, 20 mM Hepes, Casein 100 µg/mL, 0.02% NaN3, pH 6.8, 37°C) 18,21,[25][26][27] or DW for 14 days with their solution changed after 7 days. Sixty milliliters of solution was added to each container housing six samples.…”

Section: Artificial Saliva or Deionized Water Immersionmentioning

confidence: 99%

Effects of desensitizer containing fluoroaluminocalciumsilicate glass nanoparticles on remineralization of root dentin subsurface lesions <i>in vitro </i>

et al. 2021

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We investigated the remineralization effects of Nanoseal (NS) dentin desensitizer on demineralized root dentin. Baseline lesion specimens prepared from bovine root dentin were immersed in artificial saliva (AS) or deionized water (DW) after treatment with NS or fluoride-free Nanoseal (NS(−)). Treatment and control groups comprised: 1, AS; 2, NS/AS; 3, NS(−)/AS; 4,NS/DW; 5, NS(−)/DW; and 6, baseline demineralization. Integrated mineral loss (IML) and lesion depth (LD) were determined by transverse microradiography. Fluoride concentrations in the immersion solutions were measured. AS, NS/AS and NS(−)/AS showed higher mineral volume % at the surface and lesion body than did other groups. NS/AS showed significantly lower IML than did AS. There was no significant difference in IML between NS/AS and NS(−)/AS. The highest concentration of fluoride was in the NS/AS immersion solution. The findings suggest Nanoseal facilitated remineralization of demineralized root dentin, and fluoride and other ions included may have contributed to this effect.

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“…18 Investigators in several studies have evaluated whether sodium bicarbonate interferes with the remineralization of enamel subsurface carious lesions and their subsequent acid resistance. 19,20 Tanaka and Iijima 19 showed that the combination of fluoride and bicarbonate increased acid resistance more than each of them did alone. Kuramochi and colleagues 20 found that in the presence of bicarbonate, carbonate ions were incorporated into enamel lesions during remineralization; however, the extent of remineralization or acid resistance was not affected.…”

Section: Effect Of Baking Soda On Enamel Remineralizationmentioning

confidence: 99%

Evidence for biofilm acid neutralization by baking soda

Zero¹

2017

The Journal of the American Dental Association

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Influences of bicarbonate on processes of enamel subsurface remineralization and demineralization: assessment using micro-Raman spectroscopy and transverse microradiography

Cited by 10 publications

References 32 publications

The Effect of a Bioactive Oral System and CO2 Laser on Enamel Susceptibility to Acid Challenge

The Effect of a Bioactive Oral System and CO2 Laser on Enamel Susceptibility to Acid Challenge

Effects of desensitizer containing fluoroaluminocalciumsilicate glass nanoparticles on remineralization of root dentin subsurface lesions <i>in vitro </i>

Evidence for biofilm acid neutralization by baking soda

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