Effect of iron on the dissolution of bovine enamel powder in vitro by carbonated beverages

Kato, Melissa Thiemi; Maria, Andréa Gutierrez; Sales-Peres, Sílvia Helena de Carvalho; Buzalaf, Marília Afonso Rabelo

doi:10.1016/j.archoralbio.2006.12.006

Cited by 18 publications

(24 citation statements)

References 36 publications

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“…[14][15][16] The possibility that iron could be used to reduce an erosive challenge was arisen based on in vitro studies using abiotic models, which showed that iron was effective on the inhibition of enamel dissolution. [17][18][19] This was confirmed in a recent in situ study, 16 where an iron rinse was shown to be effective to inhibit enamel and dentine dissolution upon exposure to an acidic beverage.…”

Section: Introductionsupporting

confidence: 60%

“…Due to the protective effect of iron on enamel dissolution by soft drinks, [16][17][18][19] the present study evaluated the use of varnish as a vehicle to deliver iron to the dental structure, in order to prevent further enamel erosion by a soft drink. To our knowledge, this was the first time that an iron-containing varnish was tested for the prevention of enamel demineralisation.…”

Section: Discussionmentioning

confidence: 99%

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Preventive effect of an iron varnish on bovine enamel erosion in vitro

Kato

Italiani

Araújo

et al. 2009

Journal of Dentistry

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Section: Introductionsupporting

confidence: 60%

Section: Discussionmentioning

confidence: 99%

Preventive effect of an iron varnish on bovine enamel erosion in vitro

Kato

Italiani

Araújo

et al. 2009

Journal of Dentistry

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“…Using bovine enamel powder, Buzalaf et al [14] came to the same conclusion and demonstrated a reduction in tooth loss by iron ions in acids. Subsequently, a series study by Kato et al [54][55][56] provided insight into the erosion resistance capability of iron in soft drink. It was shown that iron could interfere with the enamel dissolution in acidic drinks, where the prevention ability depended on the concentration of iron and the type of acid in the drinks.…”

Section: The Role Of Other Ingredients In the Prevention Of Erosionmentioning

confidence: 98%

“…However, Magalhaes et al [69] found that the addition of low concentrations of Fe (0.047 mM) in combination with Ca (1 mM), F (1 mM) and P (1 mM) into a soft drink did not reduce the enamel loss compared with the pure beverage. Additionally, the supplemented iron might deteriorate the taste of beverages and affect tooth colour [14,54,55].…”

Section: The Role Of Other Ingredients In the Prevention Of Erosionmentioning

confidence: 99%

Functional foods/ingredients on dental erosion

Wang

Lussi²

2012

Eur J Nutr

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IntroductionDental erosion is defined as the loss of tooth substance by a chemical process (acid exposure) that does not involve bacteria [91]. With the decline of the prevalence of caries, considerable attention has been focused on tooth erosion. Dental erosion is a multifactorial condition: the interplay of chemical, biological and behavioural factors, which is crucial and helps to explain why some individuals exhibit more erosion than others. Erosive tooth wear can be caused by intrinsic or extrinsic acid, or the combination of both. There is some evidence that the presence of dental erosion is growing steadily. In the United Kingdom, the prevalence of erosion was shown to have increased from the time of the children's dental health survey in year 1993 compared with 1996/1997 [76]. In another UK study, the progression of erosion was investigated: 1,308 children were examined at the age of 12 and again 2 years later. In this study, 4.9% of the subjects at baseline and 13.1% 2 years later had deep enamel or dentine lesions. Twelve per cent of erosion-free children at 12 years developed the condition over the subsequent 2 years. New or more advanced lesions were seen in 27% of the children over the study period [26]. The progression of erosion seems to be greater in older adults (52-56 years) compared with younger (32-36 years) and has a skewed distribution [66].Currently, increased tooth erosion has been largely linked to the increased consumption of acidic foods and drinks. To reduce or prevent erosive demineralization, strategies have been performed in the laboratory and clinic that are directed at the modification of the chemical, biological and behavioural factors involved in the aetiology of erosion. As dietary modifications are less patient-dependent, more interest has been paid to the erosion-decreasing potential of foods or beverages by various additives. The objective of this overview is to summarize the effective strategies for dietary modification to prevent dental erosion. DiagnosisTo diagnose erosion, dental professionals have to rely on clinical appearance, as there is no device available for its detection. The teeth should be dried thoroughly and be well illuminated to reveal minor surface changes. The appearance of smooth, silky-glazed, sometimes dull, enamel with the absence of perikymata and intact enamel along the gingival margin are typical signs. It has been hypothesized that the preserved enamel band along the oral and facial gingival margin could be due to some plaque remnants, which could act as a diffusion barrier for acids. This phenomenon could also be due to an acid neutralizing effect of the sulcular fluid [67]. The clinical examination should be carried out systematically using a simple but accurate index. This is a difficult task to achieve, as an index with a too fine grading shows a small inter-and intraexaminer reliability [62], and vice verse an index with a too rough grading is not able to assess small changes. The initial features of erosion on the occlusal and incisal surfa...

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“…To elucidate the mechanism of Fe 2+ action, this study aimed to verify the influence of Fe 2+ on the structure of HA using synthetic HA powder and an in vitro model that simulates dissolution and precipitation. Differently, Kato et al [2007a] analyzed the amount of P released in acid solutions as an indicative of enamel dissolution. The pH cycling method was used in this study in order to obtain a greater interaction between fluoride and HA ions [Qu and Wei, 2005;Rintoul et al, 2007], and to compare HA treated with Fe to a fluoride group which was used as a positive control.…”

Section: Discussionmentioning

confidence: 99%

Effect of Iron II on Hydroxyapatite Dissolution and Precipitation in vitro

Delbem¹,

Alves²,

Sassaki

et al. 2012

Caries Res

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The aim of this study was to evaluate the effect of iron II on the dissolution and precipitation of synthetic hydroxyapatite (HA). HA powder was suspended in solutions of iron (0.84 µg/ml, Fe0.84; 18.0 µg/ml, Fe18; 70.0 µg/ml, Fe70), fluoride (1,100 µg/ml, F1,100), and deionized water and submitted to pH cycling. After pH cycling, the samples were analyzed by infrared spectroscopy and X-ray diffraction. The concentrations of fluoride, calcium, phosphorus, and iron were also analyzed. The data were submitted to ANOVA, and analyzed by Tukey’s test (p < 0.05). The infrared spectrum showed a reduction in all bands corresponding to phosphates and hydroxyls and an increase in the carbonate band in the groups with iron. The intensity of the phosphate bands increased and that of the hydroxyl bands decreased in the group F1,100. It was observed that there was a higher concentration of Ca in the group F1,100, with no significant difference between the groups Fe18 and Fe70 (p > 0.05). There was an increase in Fe concentration in the HA directly related to the Fe concentration of the treatment solutions. Results show that the presence of Fe causes the precipitation of apatite with high solubility.

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Effect of iron on the dissolution of bovine enamel powder in vitro by carbonated beverages

Cited by 18 publications

References 36 publications

Preventive effect of an iron varnish on bovine enamel erosion in vitro

Preventive effect of an iron varnish on bovine enamel erosion in vitro

Functional foods/ingredients on dental erosion

Effect of Iron II on Hydroxyapatite Dissolution and Precipitation in vitro

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