fluorapatite


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  • noun

Words related to fluorapatite

a form of apatite in which fluorine predominates over chlorine

References in periodicals archive ?
The stronger affinity of U for F is balanced by the fact that in natural fluids, Cl : F ratios are high (usually >~100 [34, 35]), because the solubility of F is limited by the solubility of minerals such as fluorite, fluorapatite, and F-bearing biotite.
Glass Carbomer is a new generation of restorative material developed from glass-ionomer cements with possibility of gradual mineralization into fluorapatite. The retention of Glass Carbomer fissure sealant after 12 months was similar to a commonly used conventional resin-based sealant (29).
al., (2015) studied the crystallization of a fluorapatite (Fap), [Ca.sub.5][(P[O.sub.4]).sub.3]F, glass ceramic.
The inorganic constituents described [6] are: (i) calcite of foraminifera shells and fine-grained matrix, (ii) authigenic quartz filling the chambers of some foraminifera, composing tests of siliceous algae (supposed), and very limited detrital quartz, (iii) phosphate in pellets, intraclasts, bone, teeth, and coprolites of carbonate fluorapatite, clay minerals thought to be detrital in origin, (iv) pyrite as filling the chambers of shells and voids.
Oral rinse #2 is supplemented with sodium fluoride, an inorganic chemical compound used to maintain dental health by the formation of fluorapatite, an integral component of tooth enamel after fluoridation [37].
Fluoride releasing pattern assessment in normal saline was done at Sri Jayachamarajendra College of Engineering, Mysore in Department of Environmental Sciences; 0.5 g of Fluorapatite coated Hydroxyapatite bone graft was mixed in distilled water and assessed at 24 and 48 hours with Sension 4 pH/ISE/mV laboratory pH/ISE/MV Meter.
The presence of fluoride was also noted as it is believed to play a negative role against DEbecause it promotes remineralisation and inhibits demineralisation by deposition in the form of CaF2.14 Hydroxyapatite (HAP) gives rise to the fluorapatite Ca10(PO4)F2, when the hydroxyl ions are substituted by the fluoride ions.
It commonly appears in apatite, a calcium-phosphate mineral that readily welcomes fluoride into its lattice to become a variety known as fluorapatite.
Characterisation of the protolytic properties of synthetic carbonate free fluorapatite. J Colloid Interf Sci 2005; 285(1): 206-11.
Fluorides are present in soil strata due to natural geological formations in the form of fluorspar, fluorapatite, and amphiboles such as hornblinde, trimolite and mica.
It is a white to reddish-brown coarse-grained rock composed of calcite, dolomite, Ti-clinohumite, forsterite, diopside, accessory clinochlore, muscovite, fluorapatite and shining flakes of graphite.