نتایج جستجو برای: fluorapatite
تعداد نتایج: 393 فیلتر نتایج به سال:
acceptor/donor or Lewis acid-base (AB) terms, in regulating not only the rates of these reactions but also in determining the solubility behavior of the crystal, S,. For a considerable number of compounds, the solubilities show a general increase as the solidlliquid interfacial tensions (~sL) decrease, but despite suggestions to the contrary, the relationship between ysL and logs, should not ne...
Six lesions were made on the buccal surfaces of premolars. The volume percentage of mineral was determined as a function of depth by microradiography. Using the electron microprobe, the signals for Ca, Na, Mg, P and Cl were recorded as a function of depth both through the lesions and through the adjacent sound enamel. In the demineralized parts, there was a preferential loss of Na and a prefere...
Densification and Microstructure of Fluorapatite Sintered with Alkaline and Alkaline-Earth Additives
Elastin-Like Protein, with Statherin Derived Peptide, Controls Fluorapatite Formation and Morphology
It is well established that fluoride plays an important role in the prevention of dental caries. Fluoridation of drinking water has been a successful public health measure in reducing the prevalence of tooth decay.' Beneficial results have also ensued from incorporation of stannous fluoride into a dentifrice.2 Wellock and Brudevold3 and others4,5 have reported a reduction in carious surfaces, a...
We have analyzed a frondelite mineral sample from the Cigana mine, located in the municipality of Conselheiro Pena, a well-known pegmatite in Brazil. In the Cigana pegmatite, secondary phosphates, namely eosphorite, fairfieldite, fluorapatite, frondelite, gormanite, hureaulite, lithiophilite, reddingite and vivianite are common minerals in miarolitic cavities and in massive blocks after triphyl...
This research has been done to study characteristic and biocompatible evaluation of a nano-biocompositeceramic with the bioglass (BG) as a first phase. In this regard, synthesis of S53P4 (53% SiO2, 4% P2O5,23% Na2O and 20% CaO) bioglass has been considered as the first phase and flourapatite (FA) consideredas the second phase. Afterwards, nanocomposite with the base of S53P4 b...
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