fluoride release
Fluoride release and surface roughness of a new glass ionomer cement: glass carbomer
... of fluoride release/recharge over time, but this hypothesis was rejected, since the behavior of the glass carbomer was similar to the other ...on fluoride release 18 ...
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Fluoride releasing and enamel around orthodontic brackets by fluoridereleasing composite containing nanoparticles
... Fluoride release from composite resin materials is based on the diffusion process where initial leaching of fluoride from glass particles in the surface layer of the material may account for this ...
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J. Appl. Oral Sci. vol.15 número5
... cement restorations, following the conventional glass ionomer cements. However, glass ionomer materials have some disadvantages, such as short working time, long setting time, susceptibility to early moisture and ...
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J. Appl. Oral Sci. vol.17 número4
... of fluoride release from conventional and RMGICs in these solutions were higher, these materials were more susceptible to acidic degradation (increase in roughness) than the resin sealant, suggesting that ...
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Braz. Dent. J. vol.18 número4
... in release rate occurs until the seventh storage ...the release becomes extremely low but constant with time, also observed in our study (Figure ...of fluoride release, regardless of the ...
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Braz. Dent. J. vol.20 número2
... the fluoride release in resin materials with sodium fluoride in the ...decrease fluoride/water contact and fluoride movement in the matrix, resulting in lower fluoride ...
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J. Appl. Oral Sci. vol.12 número1
... short-time fluoride release of a resin-modified glass ionomer cement coated with two one-bottle adhesive systems in a pH cycling ...a fluoride-free and PB is a fluoride-containing ...released ...
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J. Appl. Oral Sci. vol.17 número3
... the release of fluoride from two compomers and a fluoridated composite resin was affected by exposure to KF ...total. Fluoride was determined with and without TISAB (to allow complexed and ...
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Braz. Dent. J. vol.16 número2
... without fluoride release (Fuji II LC, F-2000, Degufil Mineral, Sure Fil and Z-250) associated with a fluoridated and a non-fluoridated dentifrice (Sensodyne Original Formula and Sensodyne Sodium ...
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Braz. Dent. J. vol.25 número2
... Therefore, fluoride release to saliva from fluoride varnishes may not be considered the best predictor of their anticaries potential because it is short-lived and the anticaries effect of these ...
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Braz. Dent. J. vol.21 número2
... sodium fluoride (NaF) solution (1000 ppm of fluoride) on day 28 for 5 min and then washed with deionized water for 20 ...and fluoride release was measured after 24 and 48 h (days 29 and 30) in ...
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Dental Press J. Orthod. vol.17 número4
... Thirty test specimens were made, ten specimens for each one of the cements, which were protected with varnish and kept in a humidifier at 37 °C and 100% of humidity for 30 minutes. After this period, 2 test specimens ...
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Braz. Dent. J. vol.24 número4
... the fluoride release was measured at time intervals of 1 h, 1, 7, 14, 21 and 29 ...weeks fluoride release was measured, but there were no recharges with sodium fluoride solution in ...
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Analysis of fluoride concentration in mother's milk substitutes
... of fluoride content was per- formed in this final drop using an ion-specific elec- trode (Orion Research, Cambridge, MA, USA, model 9409) and a calomel reference electrode (Accumet model 13620-79) coupled with a ...
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Timed Release of Valsartan from Programmable Release Capsules: Importance of Plasticizers
... physical properties of films and provide sufficient mechanical strength. Also it alters the brittleness of the film and sometimes the permeability of the film depending on the nature of plasticizer used [3]. Permeability ...
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Braz. Dent. J. vol.17 número2
... Children aged 20 and 30 months are considered at the greatest risk for development of dental fluorosis in the permanent upper incisors, as this is a transition period between the end of the secretory phase and the ...
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Braz. Dent. J. vol.19 número3
... ≥0.99. Fluoride analyses in the urine and water were determined using an ion-specific electrode (96-09 BN; Beverly, MA, USA) and a 720 A meter (Orion Research), after adding an equal volume of TISAB ...
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ASSESSMENT OF FLUORIDE CONTAMINATION IN GROUNDWATER USING GIS, DHARMAPURI DISTRICT, TAMILNADU, INDIA
... excessive fluoride in groundwater in India was first reported in 1937 in the State of Andhra Pradesh (Short et ...high fluoride concentrations (Susheela, 1999[7] Due to its strong electronegativity, ...
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Key words: slow-release fertilisers; controlled-release fertilisers; stabilized fertilisers;
... During two consecutive years (Aug.-Dec. 2007; and Aug.-Dec. 2008) tall cabbage was subjected to six different fertiliser treatments arranged in a completely randomized design with three replicates. The fertiliser ...
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Braz. Dent. J. vol.21 número1
... blood fluoride concentration varies according to fluoride exposure and that dental fluorosis is related to the amount of enamel formed under a given fluoride dose, the present study investigated ...
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