hydroxyapatite
noun
hy·droxy·ap·a·tite
hī-ˌdräk-sē-ˈa-pə-ˌtīt 
variants
or hydroxylapatite
: a complex phosphate of calcium Ca5(PO4)3OH that occurs as a mineral and is the chief structural element of vertebrate bone
Examples of hydroxyapatite in a Sentence
Recent Examples on the Web
The primary component of enamel is the mineral calcium phosphate, arranged in a crystalline (small crystal) structure known as hydroxyapatite.
—
Anna Giorgi, Verywell Health, 31 July 2024
Tooth enamel, the hard protective outer layer, is naturally about 96 percent hydroxyapatite.
—Sarah Zhang, The Atlantic, 23 July 2024
Become a Subscriber The scientific case for hydroxyapatite toothpaste is actually quite simple: Composed of calcium and phosphate, hydroxyapatite is the very mineral that primarily makes up our bones and teeth.
—Sarah Zhang, The Atlantic, 23 July 2024
Khan says these folks should switch to a natural toothpaste containing hydroxyapatite and wash their face after brushing to wipe off any excess paste.
—Popular Science, 14 Mar. 2024
The former has hydroxyapatite—which researchers claim is more effective than fluoride at preventing tooth sensitivity—to help rebuild the surface of your teeth, while the latter was formulated to inhibit bacteria and remineralize teeth.
—Bryan Hood, Robb Report, 29 Feb. 2024
The main active ingredient in these tablets is fluoride, but they’re also packed with other cavity-fighting ingredients, including hydroxyapatite and xylitol.
—Lacey Muinos, Health, 11 Dec. 2023
Infused with a refreshing mint flavor, these strips are packed with hydroxyapatite, a mineral that protects and maintains healthy enamel and protects against cavities.
—Sarah Han, Allure, 27 Nov. 2023
Another option: Fillers that use calcium hydroxyapatite (CaHA), a mineral that’s found naturally in our teeth and bones.
—Petra Guglielmetti, Glamour, 18 Sep. 2023
Anna Giorgi, Verywell Health, 31 July 2024
Tooth enamel, the hard protective outer layer, is naturally about 96 percent hydroxyapatite.
—Sarah Zhang, The Atlantic, 23 July 2024
Become a Subscriber The scientific case for hydroxyapatite toothpaste is actually quite simple: Composed of calcium and phosphate, hydroxyapatite is the very mineral that primarily makes up our bones and teeth.
—Sarah Zhang, The Atlantic, 23 July 2024
Khan says these folks should switch to a natural toothpaste containing hydroxyapatite and wash their face after brushing to wipe off any excess paste.
—Popular Science, 14 Mar. 2024
The former has hydroxyapatite—which researchers claim is more effective than fluoride at preventing tooth sensitivity—to help rebuild the surface of your teeth, while the latter was formulated to inhibit bacteria and remineralize teeth.
—Bryan Hood, Robb Report, 29 Feb. 2024
The main active ingredient in these tablets is fluoride, but they’re also packed with other cavity-fighting ingredients, including hydroxyapatite and xylitol.
—Lacey Muinos, Health, 11 Dec. 2023
Infused with a refreshing mint flavor, these strips are packed with hydroxyapatite, a mineral that protects and maintains healthy enamel and protects against cavities.
—Sarah Han, Allure, 27 Nov. 2023
Another option: Fillers that use calcium hydroxyapatite (CaHA), a mineral that’s found naturally in our teeth and bones.
—Petra Guglielmetti, Glamour, 18 Sep. 2023
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hydroxyapatite.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near hydroxyapatite
Cite this Entry
“Hydroxyapatite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydroxyapatite. Accessed 18 Aug. 2024.
Copy CitationMedical Definition
hydroxyapatite
noun
hy·droxy·ap·a·tite
hī-ˌdräk-sē-ˈap-ə-ˌtīt
variants
or hydroxylapatite
: a complex phosphate of calcium Ca5(PO4)3OH that occurs as a mineral and is the chief structural element of vertebrate bone
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