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Fluoride Treatment of Synthetic Bio-material Assists Dental Bone Regeneration
Date:5/2/2013

Lawrence, KS (PRWEB) May 03, 2013

Journal of Oral Implantology – For a successful dental implant, a sufficient amount of jawbone is necessary. Deficient bone must be built up before the procedure. Guided bone regeneration is a common treatment, and bio-materials treated with fluoride are displaying cell proliferation that can improve this process.

The Journal of Oral Implantology reports on a study of bio-resorbable synthetic hydroxyapatite granules used as a bone supplement material. When these granules were exposed to a 4 percent sodium fluoride solution, cell proliferation was increased.

Bone regeneration techniques include the use of artificial materials such as hydroxyapatite and tricalcium phosphate. Implant products are being made with surface coatings or textures that have a biological effect on protein attachment and cell proliferation. When fluoride is added to this surface, it activates osteoblastic, or bone-making, cells and increases the rate of bone regeneration.

In this study, hydroxyapatite granules were treated with a neutral 4 percent sodium fluoride solution. This led to the formation of a reactant resembling calcium fluoride on the surface of the granules. Immediate but slow release of fluoride came from the granules, and the concentration increased over time. Migration of human osteoblast-like MG-63 cells was confirmed when compared to a nonfluoridated control sample.

Fluoride concentrations of 1.0-2.0 parts per million (ppm) showed this positive effect. When the concentration reached 5.0 ppm, however, the opposite effect was observed—the fluoride significantly inhibited cell proliferation.

The authors conclude that the fluoride solution stimulates bone regeneration. The slow release of fluori
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