Hydroxyapatite (IMA name: hydroxylapatite) (Hap, HAp, or HA) is a naturally occurring mineral form of calcium apatite with the formula Ca 5(PO 4) 3(OH), often written Ca 10(PO 4) 6(OH) 2 to denote that the crystal unit cell comprises two entities.
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Aug 27, 2021 · In dentistry and oral care products, hydroxyapatite (HA) is a stable and biocompatible calcium phosphate with low solubility being used for ...
Hydroxyapatite
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Hydroxyapatite is a naturally occurring mineral form of calcium apatite with the formula Ca₅(PO₄)₃, often written Ca₁₀(PO₄)₆(OH)₂ to denote that the crystal unit cell comprises two entities. It is the hydroxyl endmember of the complex apatite... Wikipedia
Birefringence: δ = 0.007
Color: Colorless, white, gray, yellow, yellowish green
Crystal class: Dipyramidal (6/m); H-M symbol (6/m)
Crystal habit: As tabular crystals and as stalagmites, nodules, in crystalline to massive crusts
Crystal system: Hexagonal
Formula (repeating unit): Ca5(PO4)3OH
Fracture: Conchoidal
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HA is an inorganic mineral that has a typical apatite lattice structure as (A10(BO4)6C2), where A, B, and C are defined by Ca, PO4, and OH. Pure HA contains ...
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Davids Fluoride Free Nano Hydroxyapatite Toothpaste for Remineralizing Enamel & Sensitive Relief, Whitening, Antiplaque, SLS Free, Natural Peppermint, 5.25oz, ...
Jan 29, 2024 · According to the company, studies over the last 40 years have also found that by restoring the enamel surface, hydroxyapatite improves tooth ...