The effect of two bleaching agents on the phosphate concentration of the enamel evaluated by Raman spectroscopy: An ex vivo study

Venkatesan, Sokkalingam Mothilal; Narayan, Gopal S; Ramachandran, Anil Kumar; Indira, R

doi:10.4103/0976-237x.101081

Cited by 12 publications

(15 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…In the present study, the roles of bicarbonate during demineralization and remineralization processes were analyzed using micro‐Raman (Raman) spectroscopy, a non‐destructive vibrational spectroscopic technique that permits investigation of organic and mineral species at micron resolution . Additional analyses were performed using transverse microradiography (TMR), which is the gold standard for analyzing longitudinal mineral distributions in subsurface lesions .…”

mentioning

confidence: 99%

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

2016

View full text Add to dashboard Cite

In the present study, we investigated, using micro-Raman spectroscopy (Raman) and transverse microradiography, the influence of bicarbonate [sodium hydrogen carbonate (NaHCO )] on the effects of carbonate ions in the mineral phase during demineralization (acid resistance test) of subsurface lesions. Baseline lesions were created by demineralizing bovine enamel, and specimens were then exposed to remineralization solutions containing 0, 5, or 50 mM bicarbonate. Acid resistance tests were performed on remineralized and sound enamel specimens. Raman spectra showed that carbonate and phosphate were incorporated into both surface layers and lesion bodies during remineralization in the presence of bicarbonate. Moreover, the presence of bicarbonate did not affect the rates of remineralization, although the average mineral profiles of remineralized enamel differed from those of sound enamel after acid resistance tests. Raman analyses enabled close evaluation of site-specific characteristics of carbonate and phosphate in subsurface lesions. In conclusion, incorporation of carbonate and phosphate ions into enamel subsurface lesions during remineralization does not affect the magnitude of remineralization or acid resistance.

show abstract

mentioning

confidence: 99%

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

2016

View full text Add to dashboard Cite

show abstract

“…Microporosity and enamel roughness can also increase when using higher concentration of peroxide, this has been proven by Berger's research with using H2O2 35% bleaching material and can cause the mineral content of Ca and P to reduce greater as when compared to using H2O2 10% bleaching material. 14 Decrease of Ca and P elements was also found in the results of the study by Syafriadi and Noh (2014), which showed calcium solubility as many as 1.016 ppm was found in the control Group and as many as 2, 607 ppm was found in the 10% hydrogen peroxide Group by using atomic absorption spectrophotometry. 8 Venkatesan et al (2012) also found Raman spectroscopy in their study that phosphate elements before bleaching showed mean and standard deviation value as 975.69 ± 4.52 and after bleaching with H2O2 38% showed mean and standard deviation value as 817.43 ± 12.96.…”

mentioning

confidence: 61%

“…14 Decrease of Ca and P elements was also found in the results of the study by Syafriadi and Noh (2014), which showed calcium solubility as many as 1.016 ppm was found in the control Group and as many as 2, 607 ppm was found in the 10% hydrogen peroxide Group by using atomic absorption spectrophotometry. 8 Venkatesan et al (2012) also found Raman spectroscopy in their study that phosphate elements before bleaching showed mean and standard deviation value as 975.69 ± 4.52 and after bleaching with H2O2 38% showed mean and standard deviation value as 817.43 ± 12.96. 14 Gopinath et al (2013) in his study found a decreased effect on enamel morphology by adding sweet potato extract into bleaching material namely H2O2 of 10% and 35% concentration, as compared to bleaching materials without sweet potato extract.…”

mentioning

confidence: 61%

“…8 Venkatesan et al (2012) also found Raman spectroscopy in their study that phosphate elements before bleaching showed mean and standard deviation value as 975.69 ± 4.52 and after bleaching with H2O2 38% showed mean and standard deviation value as 817.43 ± 12.96. 14 Gopinath et al (2013) in his study found a decreased effect on enamel morphology by adding sweet potato extract into bleaching material namely H2O2 of 10% and 35% concentration, as compared to bleaching materials without sweet potato extract. (15) Indonesia is a country which rich in cassava plants and is the fourth largest cassava producer in the world as reported by FAO (Food and Agriculture Organization of the United Nations).…”

mentioning

confidence: 78%

See 1 more Smart Citation

Effects of Hydrogen Peroxide With Cassava Extract Addition as Bleaching Material on Human Enamel- An in Vitro Study

Kavita¹,

Abidin²,

Gea³

2019

jemds

View full text Add to dashboard Cite

BACKGROUND Bleaching procedures can lead to loss of minerals and morphological changes of the enamel. In order to minimize the damage on enamel, there is a need to develop natural ingredients from cassava tubers as additives for bleaching material because it contains calcium, phosphate and enzymes. The aim of this study is to evaluate the difference of morphology and elements of the enamel after bleaching with different concentrations of hydrogen peroxide and hydrogen peroxide with cassava extract as additive material. MATERIALS AND METHODS Six third molars were used in this study by first causing teeth discolouration. And then, the teeth were cut in the mesio-distal direction and buccal surface was divided into 4 Groups, Group I was bleached with hydrogen peroxide 10%, Group II was bleached with a mixture of hydrogen peroxide and 10% cassava extract, Group III was bleached with hydrogen peroxide 35% and Group IV was bleached with a mixture of hydrogen peroxide 35% and cassava extract. Changes in enamel morphology were observed by a Scanning Electron Microscope (SEM) and Atomic Force Microscope (AFM), whereas elements of enamel were analysed with Energy Dispersive X-Ray (EDX). Statistical analysis was performed by ANOVA Test. RESULTS The results showed that in all Groups, there were significant differences in the Ca and P elements, while the chemical elements C and O had no significant differences. In Group II and Group IV there was reduction of damage to the enamel, and morphology as seen through the SEM and AFM as compared to Groups I and III. CONCLUSION Adding cassava extract as additive material to bleaching material can increase the mineral on enamel and decrease the effects on enamel morphology.

show abstract

“…1 Although bleaching agents have been shown to be effective treatment as regards color change, the residual oxygen remained on tooth after treatment has adverse effects on the bond strength. 2,3 Changes caused on the enamel surface may alter microhardness, surface roughness and morphology of the enamel, 4 loss of calcium and phosphate, 5,6 and lead to changes in the bond strength, when teeth are restored in the same session that bleaching is performed. 2,3 The literature has suggested that the professional should wait from 7 7,8 to 14 9 days after concluding the bleaching procedure to perform restorations.…”

Section: Introductionmentioning

confidence: 99%

Effect of grape seed extract on bond strength of restorative material to bleached enamel

Pereira¹,

Oliveira²,

Souza‐Gabriel³

et al. 2018

CRORJ

View full text Add to dashboard Cite

Este trabalho teve por objetivo avaliar in vitro o efeito de um antioxidante natural (extrato de semente de uva) em diferentes concentrações, na resistência de união do material restaurador ao esmalte clareado. Métodos: Quarenta fragmentos de incisivos bovinos hígidos, foram divididos aleatoriamente em quatro grupos (n=10): Grupo I: sem clareamento; Grupo II: clareado com peróxido de hidrogênio 35% (PH) e sem pós-tratamento; GIII: clareado PH 35% + extrato de semente de uva 5%; e Grupo IV: clareado com PH 35% + extrato de semente de uva 10%. A resistência de união da interface esmalte/material restaurador foi avaliada por meio do teste de cisalhamento (MPa). Os dados foram analisados pela análise de variância (ANOVA) e testes de Tukey (=0,05%). Os tipos de fratura também foram analisados e classificados em: adesiva, coesiva ou mista. Resultados: Apenas o Grupo III (clareado + extrato de semente de uva 5%) apresentou aumento estatisticamente significante (p<0,001). dos valores de resistência de união comparado ao Grupo II (clareado e sem pós-tratamento). Todos os grupos mostraram um predomínio do tipo de fratura adesiva. Conclusão: O clareamento dental diminui significativamente a força de adesão ao esmalte dental clareado, e o extrato de semente de uva 5% aplicado após o clareamento dental melhora a resistência de união entre o material restaurador e o esmalte clareado.

show abstract

The effect of two bleaching agents on the phosphate concentration of the enamel evaluated by Raman spectroscopy: An ex vivo study

Cited by 12 publications

References 4 publications

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

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

Effects of Hydrogen Peroxide With Cassava Extract Addition as Bleaching Material on Human Enamel- An in Vitro Study

Effect of grape seed extract on bond strength of restorative material to bleached enamel

Contact Info

Product

Resources

About