| 1. | Hydroxyapatite, calcium carbonate and calcium phosphate is deposited around the cell.
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| 2. | Common temporary fillers include hyaluronic acid and calcium hydroxyapatite preparations.
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| 3. | The calcium hydroxyapatite, the normal material of mammalian bone.
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| 4. | There is also microretention from porosities occurring in the hydroxyapatite.
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| 5. | These structures are made of crystalline calcium phosphate in the form of hydroxyapatite.
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| 6. | Calcium hydroxyapatite and calcite precipitates can be found around bacteria in alluvial topsoil.
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| 7. | Tooth enamel is composed of almost ninety percent hydroxyapatite.
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| 8. | Enamel, itself, is composed of hydroxyapatite, a calcium phosphate crystal.
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| 9. | Etidronate is a bisphosphonate and can reduce the formation of calcium hydroxyapatite crystals.
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| 10. | The same is true of hydroxyapatite, the material that bones are made of.
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