The effects of soft drinks on the released of calcium from the enamel surface

Introduction: Calcium release from the enamel surface is known as enamel demineralisation. Enamel demineralisation is a chemical process of mineral loss from the email structure. One of the factors that cause demineralisation is the presence of acids derived from food or beverages consumed. This study was aimed to determine the effects of soft drinks and the amount of calcium release from the enamel surface. Methods: This study was an in-vitro experimental. The population was extracted maxillary premolars from orthodontics clinics in health centres, hospitals, and private clinics throughout Bandung and Jakarta. As many as 20 crown of maxillary premolars divided into two groups. Dissolved calcium was measured using the Atomic Absorption Spectrophotometry (AAS). Data obtained was tested using an independent t-test. Results: The results showed that the amount of calcium released after exposure of soft drink was higher than soda water. The average amount of calcium released after soft drink exposure was 4122 ppm and soda water was 3492 ppm. Conclusion: Soft drink affects the calcium release from the enamel surface.

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Evaluation of Microleakage of Nanoionomer and Nanocomposite Restorations, immersed in Fruit Drink, Fresh Fruit Juice and Soft Drink – An in vitro Study

Journal of Clinical Pediatric Dentistry ◽

10.17796/1053-4628-40.2.129 ◽

2016 ◽

Vol 40 (2) ◽

pp. 129-135 ◽

Cited By ~ 2

Author(s):

Farhin Katge ◽

Abhinav Shitoot ◽

Thejokrishna Pammi ◽

Sajjad Mithiborwala

Keyword(s):

Fruit Juice ◽

Soft Drink ◽

In Vitro Study ◽

Fresh Fruit ◽

Control Group ◽

Test Results ◽

Class V ◽

Maxillary Premolars ◽

Fruit Drink

Aim: To evaluate microleakage of Nanoionomer (3M ESPE Ketac™ N100 Light cured Nanoionomer Restorative) and Nanocomposite (3M ESPE Filtek™ Z350 XT Universal Restorative) restorations, immersed in fruit drink, fresh fruit juice and soft drink. Study design: Eighty caries free maxillary premolars extracted for orthodontic purpose were used for the study. Class V cavities were prepared and restored with Nanocomposite on buccal surface and Nanoionomer on the palatal surface. The teeth were thermocycled following the restoration. The experimental groups comprised of 72 teeth (3 groups comprising 24 teeth each for fruit drink, fresh fruit juice and soft drink), while remaining 8 formed the control group. Each of experimental group was further divided into three subgroups (low, medium and high immersion). The teeth were finally immersed in Rhodamine B dye, sectioned and evaluated under stereomicroscope. Statistical analyses used were Mann-Whitney test and ANOVA test. Results: The teeth showed statistically significant microleakage as the immersion regime increased. Soft drink group showed highest microleakage followed by fresh fruit juice and fruit drink. Nanocomposite exhibited more microleakage but the comparison was not statistically significant. Conclusion: The three beverages used in the study affected the microleakage of both restorative materials significantly. The microleakage scores increased as the frequency of the immersions increased. Soft drink caused highest microleakage followed by fresh fruit juice and fruit drink.

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Roughness and pH changes of enamel surface induced by soft drinks in vitro-applications of stylus profilometry, focus variation 3D scanning microscopy and micro pH sensor

Dental Materials Journal ◽

10.4012/dmj.2010-204 ◽

2011 ◽

Vol 30 (3) ◽

pp. 404-410 ◽

Cited By ~ 24

Author(s):

Mie FUJII ◽

Yuichi KITASAKO ◽

Alireza SADR ◽

Junji TAGAMI

Keyword(s):

Ph Sensor ◽

3D Scanning ◽

Soft Drinks ◽

Enamel Surface ◽

Scanning Microscopy ◽

Ph Changes ◽

Focus Variation

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Erosive Effect of Different Soft Drinks on Enamel Surface in vitro: Application of Stylus Profilometry

Medical Principles and Practice ◽

10.1159/000433435 ◽

2015 ◽

Vol 24 (5) ◽

pp. 451-457 ◽

Cited By ~ 15

Author(s):

Radomir Barac ◽

Jovanka Gasic ◽

Natasa Trutic ◽

Slavica Sunaric ◽

Jelena Popovic ◽

...

Keyword(s):

Soft Drinks ◽

Enamel Surface ◽

Erosive Effect

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In Vitro Contracture Test Results and Anaesthetic Management of a Patient with Emery-Dreifuss Muscular Dystrophy for Cardiac Transplantation

Case Reports in Anesthesiology ◽

10.1155/2012/349046 ◽

2012 ◽

Vol 2012 ◽

pp. 1-4 ◽

Cited By ~ 1

Author(s):

Frank Schuster ◽

Carsten Wessig ◽

Christoph Schimmer ◽

Stephan Johannsen ◽

Marc Lazarus ◽

...

Keyword(s):

Muscular Dystrophy ◽

General Anaesthesia ◽

Cardiac Transplantation ◽

Calcium Release ◽

Pectoralis Major Muscle ◽

Anaesthetic Management ◽

Neuromuscular Disorder ◽

Test Results ◽

In Vitro Contracture Test

Emery-Dreifuss muscular dystrophy (EDMD) is a hereditary neuromuscular disorder characterized by slowly progressive muscle weakness, early contractures, and dilated cardiomyopathy. We reported an uneventful general anaesthesia using total intravenous anaesthesia (TIVA) for cardiac transplantation in a 19-year-old woman suffering from EDMD. In vitro contracture test results of two pectoralis major muscle bundles of the patient suggest that exposition to triggering agents does not induce a pathological sarcoplasmic calcium release in the lamin A/C phenotype. However, due to the lack of evidence in the literature, we would recommend TIVA for patients with EDMD if general anaesthesia is required.

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A modified pH-cycling model to evaluate fluoride effect on enamel demineralization

Pesquisa Odontológica Brasileira ◽

10.1590/s1517-74912003000300008 ◽

2003 ◽

Vol 17 (3) ◽

pp. 241-246 ◽

Cited By ~ 45

Author(s):

Rosane Maria Orth Argenta ◽

Cinthia Pereira Machado Tabchoury ◽

Jaime Aparecido Cury

Keyword(s):

Dose Response ◽

Significant Negative Correlation ◽

Enamel Surface ◽

Cross Sectional ◽

Enamel Demineralization ◽

Human Enamel ◽

Ph Cycling ◽

Dose Response Effect ◽

Mineral Loss

Since in vitro pH-cycling models are widely used to study dental caries, they should allow evaluations of fluoride effect on early stages of caries development. Therefore, acid etching on enamel surface must be avoided, enabling surface microhardness (SMH) analysis. In the present study, the pH-cycling model originally described by Featherstone et al.9 (1986) was modified to preserve the enamel surface and to produce early carious lesions that could be evaluated using SMH and cross-sectional microhardness (CSMH) measurements. In order to validate this modified model, a dose-response evaluation with fluoride was made. Human enamel blocks with known SMH were submitted to such regimen with the following treatments: distilled deionized water (DDW; control) and solutions containing 70, 140 and 280 ppm F. Data from %SMH change and deltaZ (mineral loss) showed a statistically significant negative correlation between F concentration in treatment solutions and mineral loss. In conclusion, the modified pH-cycling model allowed the evaluation of changes on the outermost enamel layer during caries development, and a dose-response effect of fluoride reducing enamel demineralization was observed.

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In vitro Evaluation of Enamel Surface Treated with Fluoride After Bleaching and Etching Erosive Processes

Revista de Chimie ◽

10.37358/rc.18.7.6402 ◽

2018 ◽

Vol 69 (7) ◽

pp. 1714-1717

Author(s):

Roxana Ionela Vasluianu ◽

Norina Consuela Forna ◽

Elena Raluca Baciu ◽

Mirela Zaltariov ◽

Lavinia Vasiliu ◽

...

Keyword(s):

Enamel Surface ◽

Spectroscopy Analysis ◽

X Ray ◽

Fluoride Treatment ◽

Enamel Structure ◽

Erosion Effect ◽

Enamel Composition ◽

Morphology Changes ◽

Scanning Electron

The anti-erosion effect of fluoride on the enamel surface was investigated by ATR-FTIR, SEM and EDX techniques. Four extracted teeth (two incisors and two premolars) were initially bleached with carabamide peroxide and etched with ortho-phosphoric acid then fluoride treatment was applied. Significant differences in enamel composition and morphology were observed providing the effect of fluoride application in remineralization of teeth. Infrared spectroscopy was employed to probe the changes in enamel structure. Scanning electron microscopy/energy dispersive X-ray spectroscopy analysis revealed higher content in F of teeth enamel. Morphology changes revealed a re-mineralization of enamel surface after the treatment with fluoride gel.

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Consumption of carbonated soft drinks among Ghanaian adolescents: associations with socio-demographic factors, health risk factors and psychological distress

Nutrition and Health ◽

10.1177/0260106021996933 ◽

2021 ◽

pp. 026010602199693

Author(s):

Prince Atorkey ◽

Mariam Akwei ◽

Winifred Asare-Doku

Keyword(s):

Risk Factors ◽

Psychological Distress ◽

Health Risk ◽

Soft Drink ◽

Demographic Factors ◽

Soft Drinks ◽

Health Risk Factors ◽

Soft Drink Consumption ◽

Carbonated Soft Drinks ◽

Socio Demographic Factors

Background: Carbonated soft drinks consumption is associated with weight gain and other chronic diseases. Aim: To examine whether socio-demographic factors, health risk factors and psychological distress are associated with carbonated soft drink consumption among adolescents in selected senior high schools in Ghana. Methods: Data were obtained from the 2012 Ghana Global School-based Student Health Survey (GSHS). Participants consisted of 1756 school-going adolescents sampled using a two-stage cluster sampling method. Binomial logistic regression was used to determine whether socio-demographic factors, health risk factors and psychological distress were associated with consumption of soft drinks. Results: The prevalence of carbonated soft drinks consumption was 34.9%. Males (odds ratio (OR) = 0.73 (95% confidence intervals (CI) 0.59–0.92); p = 0.007), and participants with high socio-economic status (OR = 0.76 (95% CI 0.48–0.97); p = 0.033) had smaller odds for consumption of soft drinks. Also, adolescents in Senior High School (SHS) 3 (OR = 0.72 (95% CI 0.53–0.97); p = 0.034) and SHS 4 (OR = 0.63 (95% CI 0.43–0.91); p = 0.014) had smaller odds for soft drinks intake compared to those in SHS 1. Health risk factors associated with greater odds of high soft drink consumption were tobacco use (OR = 1.68, (95% CI 1.07–2.65); p = 0.025), fast food consumption (OR = 1.88, (95% CI 1.47–2.41); p = 0.011) and alcohol consumption (OR = 1.43, (95% CI 1.02–1.99); p = 0.039). Consuming adequate fruit (OR = 0.19 (95% CI 0.15–0.24); p = 0.000) and adequate vegetable (OR = 0.55 (95% CI 0.34–0.87); p = 0.011) were associated with lower odds for soft drink consumption. Adolescents who reported feeling anxious had smaller odds for soft drink intake (OR = 0.65, (95% CI 0.47–0.91); p = 0.011). Conclusions: The findings from this study show that socio-demographic characteristics, health risk factors and psychological distress are associated with the soft drink consumption among adolescents in Ghana. Interventions aimed at reducing soft drink consumption and other health risk factors are needed.

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Genetic deletion of trkB.T1 increases neuromuscular function

AJP Cell Physiology ◽

10.1152/ajpcell.00469.2010 ◽

2012 ◽

Vol 302 (1) ◽

pp. C141-C153 ◽

Cited By ~ 19

Author(s):

Susan G. Dorsey ◽

Richard M. Lovering ◽

Cynthia L. Renn ◽

Carmen C. Leitch ◽

Xinyue Liu ◽

...

Keyword(s):

Calcium Release ◽

Contractile Activity ◽

Muscle Tension ◽

Neuromuscular Synapse ◽

Neuromuscular Function ◽

In Vitro Assays ◽

Tyrosine Kinase Receptor ◽

Akt Activation

Neurotrophin-dependent activation of the tyrosine kinase receptor trkB.FL modulates neuromuscular synapse maintenance and function; however, it is unclear what role the alternative splice variant, truncated trkB ( trkB.T1), may have in the peripheral neuromuscular axis. We examined this question in trkB.T1 null mice and demonstrate that in vivo neuromuscular performance and nerve-evoked muscle tension are significantly increased. In vitro assays indicated that the gain-in-function in trkB.T1 −/− animals resulted specifically from an increased muscle contractility, and increased electrically evoked calcium release. In the trkB.T1 null muscle, we identified an increase in Akt activation in resting muscle as well as a significant increase in trkB.FL and Akt activation in response to contractile activity. On the basis of these findings, we conclude that the trkB signaling pathway might represent a novel target for intervention across diseases characterized by deficits in neuromuscular function.

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