Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 24 for “"artificial saliva"”.
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Quantification of Salicylic Acid in Artificial Saliva using Raman Spectroscopy
… for the quantification of salicylic acid (SA) in artificial saliva, addressing the critical need for non-invasive methods to measure medication adherence. Given the recent guidelines advocating for higher aspirin doses for pregnant women at risk for Pre-Eclampsia (PE), a condition that can lead to …
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Stability of dental alloys in artificial saliva: an electrochemical and XPS investigation
… Surface analysis has shown that the alloy in artificial saliva forms a protective passive film at both temperatures. At 25°C the oxy-hydroxide film formed is enriched in oxidized chromium, after long immersion times (7 days) the nominal composition of oxidized manganese (18%) is found. …
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Efeito in vitro da erosão nas propriedades nanomecânicas de resinas compostas
… with the storage medium: erosive challenge and artificial saliva (control). The samples were immersed in Coca Cola® (12 mL / sample) for 90 s four times per day at 37ºC. Between the erosive challenge, the samples were immersed in artificial saliva (12 mL / sample) for 2 hours at 37. This cycle …
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An in vitro investigation of the effects of surface corrosion on the metal element content and tensile strength of orthodontic silver brazed stainless steel joints arising from varying exposure periods in Fusayama's artificial saliva
Thesis (Masters in Technology: Dental Technology), Durban Institute of Technology, Durban, South Africa, 2004
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Modeling contaminant transport in polyethylene and metal speciation in saliva
… were measured at different pH in diluted artificial saliva using a cupric ion selective electrode. Three major proteins in human saliva: α-amylase, mucin and lactoferrin, were added in the artificial saliva and the impacts on the chemical speciation of copper were analyzed. Inorganic …
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Quantitative comparison of nanoleakage among five resin luting agents after aging
… group. The control group was immersed in artificial saliva at 37°C and SEM examination with chemical analysis was performed within 48 hours. In the tested group, all specimens were immersed in artificial saliva at 37°C for 10 days and thermocycled. For the SEM examination, the specimens …
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The release of nicotine from chewing gum formulations
… was placed in the chewing chamber with 40 mL of artificial saliva at 37'C and chewed at 60 chews per minute. The chew rate, the type of dissolution medium used, pH, volume, temperature and the ionic strength of the dissolution medium were altered to investigate the effects on release in vitro. It …
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Development of Electrochemical Immunosensor for Oral Cancer: Initial Outcome
… a range of clinically relevant concentrations in artificial serum and artificial saliva, simulating different stages of the disease. Additionally, an ELISA assay was performed to validate sensor performance and benchmark biomarker detection. The findings demonstrate consistent trends in biomarker …
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Effectiveness of Resin Infiltration and Mi Paste Cpp-Acp in Masking White Spot Lesions
… molars were partially demineralized to create artificial WSLs and randomly divided into a control (artificial saliva) and two treatment groups. A spectrophotometer (VITA Easyshade® compact) was used before and after treatment to quantify the amount of light (L*) reflected from the surfaces of …
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Investigation of Silver Enhanced Dental Restorative Materials by the Development of an In Vitro Oral Biofilm Model
… sterile glass-ionomer disks. The established artificial saliva media DMM (Defined Medium Mucin) was used for 24-48Hrs studies, conducted under aerobic and anaerobic conditions.Following incubation, the disks were washed with PBS (Phosphate Buffer Saline) in a series of up to five, twelve …
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Formation of Copper-Salivary Component Complexes and Its Effect on Sensory Perception
… copper sensation have not been fully understood. Saliva is assumed to influence copper sensations via binding of salivary electrolytes or proteins with copper. The interaction between salivary components and copper is thought to influence sensory perception by affecting volatility of aroma …
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In‐Vitro Comparison of Tensile Bond Strength of Denture Adhesives on Denture Bases
… (Eclipse) acrylic resins. Laboratory prepared artificial saliva with mucin was used for the control study. In accordance with ADA specifications, the TBS was tested at 5 minutes, 3 hours, 6 hours, 12 hours and 24 hours after application of the adhesive. Maximum forces before failure were …
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Development Of Novel Analytical Methods For Detection And Determination Of Tamoxifen In Oral Fluid And Discrimination Between Regioisomeric Aromatase Inhibitors For Doping Control Purposes
… for the recovery and detection of Tamoxifen from artificial saliva samples with high sensitivity. </p> <p>A second part of this project was to develop additional analytical methods for discrimination and chromatographic resolution of three regioisomeric aromatase inhibitors …
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Biofilm Removal Using Bubbles and Sound
… were mounted in a Plexiglas chamber filled with artificial saliva. A bubble stream was directed at the mounted biofilm. The velocity, gas fraction, median bubble diameter, and impingement angle were all varied to determine the effect of each parameter on removal and which parameter was the most …
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Influence of a bleaching agent on stained direct composite resins
… staining agents, tea or red wine, or artificial saliva (control) continuously over a 7-day period. They were all then bleached with Opalescence Xtra Boost, a chemically activated in-office whitening agent for 3, weekly sessions of a half hour each, broken into 2, fifteen minute cycles. …
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The Degradation of Resin Materials Bonded to Dentine in the Root Canal by the Activation of Matrix Metalloproteinases
… analysed after ageing the specimens in artificial saliva for one week and after nine months. The matrix metalloproteinases activity was<br/>also quantified after each storage period.<br/><br/>The study results showed that incorporating chlorhexidine and Bioglass 45S5 jointly or …
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Development and characterisation of macro-disc and micro-band electrodes for electrochemical sensing applications
… applied for measuring lactate concentrations in artificial saliva and diluted sterile human serum. Finally, this study investigates the potential for a low cost additive printing tool to enable the fabrication of electrochemical sensor devices. To do this, electrodes were designed and printed …
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Chewing gum : a potential strategy to relieve thirst in chronic heart failure
… While the other interventions such as artificial saliva showed differing results, chewing gum demonstrated promising outcomes in relieving thirst. Based on the comprehensive literature review and preliminary Bachelor Honours study, RELIEVE-CHF was developed. RELIEVE-CHF was a novel …
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The Effect of Silver Diamine Fluoride on Caries Lesion Remineralization as a Function of Lesion Baseline Mineral Distribution
… hydroxyethylcellulose [HEC], Carbopol [C907]), artificial caries lesions with different mineral distributions (n=20 per subgroup) were created in the enamel specimens Interventions were applied and the lesions remineralized using artificial saliva. Changes in mineral loss, lesion depth, mineral …
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