نتایج جستجو برای: fluorohydroxyapatite

تعداد نتایج: 17  

2015
Bor-Shiunn Lee Po-Hung Chou Shu-Yu Chen Hua-Yang Liao Che-Chen Chang

There is no topically applicable low concentration fluoride delivery device available for caries prevention. This study was aimed to assess the use of a low concentration (1450 ppm) fluoride strip as an effective fluoride delivery system against enamel demineralization. The enamel surface composition and calcium-deficient hydroxyapatite or toothpaste treatments were investigated using X-ray pho...

Fluoride is now accessible in a variety of forms, including water, toothpaste, mouth rinses, and professional fluoride therapy at dental clinics. A body of data supports the use of systemic and topical fluoride from various sources to prevent dental caries. Fluoride ions are absorbed by the enamel prior to tooth eruption and produce fluorohydroxyapatite, which is more resistant to acid attack t...

Journal: :international journal of nano dimension 0
z. shokri aghbolagh department of chemistry, payame noor university, abhar, zanjan, iran. a.r. mahjoub department of chemistry, faculty of science, tarbiat modares university, tehran, iran. sh. ghammamy department of chemistry, faculty of science, imam khomeini international university, qazvin, iran.

in this work, sol-gel processing was used to synthesize the fluorohydroxyapatite (nano-fha, ca10(po4)6(oh)2−xfx) nanopowders. the advantages of the sol-gel method over other methods are precise control of composition, low processing temperature, and better homogeneity. calcium nitrate tetrahydrate, phosphorous pentoxide and tetrabuthylammonium fluoride were used, respectively, as p, ca, and f p...

Journal: :Clinical oral implants research 2003
Christian Schopper Doris Moser Alexis Sabbas Georgios Lagogiannis Else Spassova Franz König Karl Donath Rolf Ewers

Grafting of the maxillary sinus is an established treatment modality to provide sufficient bone for the fixation of dental implants. We stated the hypothesis that the porous fluorohydroxyapatitic (FHA) biomaterial FRIOS Algipore could be used as a suitable biomaterial for sinus grafting in severely atrophic maxillae. To investigate the accuracy of our hypothesis, 69 trephine specimens from 26 p...

A.R. Mahjoub Sh. Ghammamy, Z. Shokri Aghbolagh

In this work, sol-gel processing was used to synthesize the fluorohydroxyapatite (nano-FHA, Ca10(PO4)6(OH)2−xFx) nanopowders. The advantages of the sol-gel method over other methods are precise control of composition, low processing temperature, and better homogeneity. Calcium nitrate tetrahydrate, phosphorous pentoxide and Tetrabuthylammon...

A.R. Mahjoub Sh. Ghammamy, Z. Shokri Aghbolagh

In this work, sol-gel processing was used to synthesize the fluorohydroxyapatite (nano-FHA, Ca10(PO4)6(OH)2−xFx) nanopowders. The advantages of the sol-gel method over other methods are precise control of composition, low processing temperature, and better homogeneity. Calcium nitrate tetrahydrate, phosphorous pentoxide and Tetrabuthylammon...

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