How to Use dentin in a Sentence

dentin

noun

• His teeth are chewed down to nubs, the dentin and nerves exposed.
  — Gene Weingarten, Washington Post, 8 Nov. 2021
• Teeth are made of dentin, which is one of the hardest substances in the body.
  — Sarah Kuta, Smithsonian Magazine, 10 Mar. 2025
• Dental stem cells could be used for more than just creating dentin.
  — Nathaniel Scharping, Discover Magazine, 10 Jan. 2017
• In a tooth, layers of dentin are laid down over the animal’s lifetime.
  — Amber Dance, Discover Magazine, 27 Nov. 2018
• The thinner the enamel, the more likely the yellowish dentin shows through.
  — Jill U. Adams, chicagotribune.com, 1 May 2018
• Each tubule runs through the tooth's dentin layer, directly to a nerve ending within the tooth's pulp.
  — New Atlas, 17 Aug. 2025
• That allows bacteria and acids to dig into your dentin, the next, softer layer of your teeth.
  — Korin Miller, SELF, 17 Oct. 2018
• The study also required new methods to extract steroids from the tusk dentin with a mass spectrometer.
  — Laura Baisas, Popular Science, 3 May 2023
• As the softest layer of your teeth, pulp requires the protection of dentin and enamel to maintain tooth health.
  — Anna Giorgi, Verywell Health, 31 July 2024
• Dentists try to avoid applying the concentrated product on or near the dentin.
  — Jill U. Adams, chicagotribune.com, 1 May 2018
• Arany has found that shining laser light directly on the remaining pulp can stimulate stem cells in the pulp to produce new dentin.
  — David Cox /, NBC News, 15 Jan. 2018
• The first is to secrete an additional layer of dentin to delay the approaching attack.
  — Samer Zaky, Discover Magazine, 10 May 2024
• These stains can appear as your enamel thins with age, allowing the yellowish dentin (hard, inner tissue that makes up most of the tooth) to show through.
  — Sherri Gordon, Health, 2 Feb. 2025
• Its lifelong support is provided by the more resilient infrastructure – the dentin.
  — Samer Zaky, Discover Magazine, 10 May 2024
• Our teeth produce enough dentin on their own to repair small cracks and injuries, but when a larger cavity necessitates drilling, our teeth aren't up to the job.
  — Nathaniel Scharping, Discover Magazine, 10 Jan. 2017
• Meanwhile, the inlay for a maxillary left central incisor was deeper into the dentin layer, but stopped short of the pulp chamber.
  — Andrew Paul, Popular Science, 28 Aug. 2025
• Researchers have now confirmed dentin as a common denominator.
  — Paul Smaglik, Discover Magazine, 21 May 2025
• This information is stored in layers of dentin—the material that’s in all teeth, as tusks are elongated upper incisors.
  — Sarah Kuta, Smithsonian Magazine, 4 May 2023
• Shark teeth have dentin, like human teeth, according to the Dental Center of Indiana.
  — Olivia Munson, USA TODAY, 9 Aug. 2022
• The tests revealed that estrogen, progesterone and testosterone were measurable in bone, and dentin, enamel, calculus and root samples from teeth.
  — Jack Guy, CNN Money, 31 Oct. 2025
• Once the decay gets into the softer dentin layer, most dentists will immediately recommend a filling.
  — The New York Times News Service Syndicate, San Diego Union-Tribune, 26 May 2026
• This may eventually compromise the underlying dentin, which is a tissue containing hollow canals called tubules.
  — Korin Miller, SELF, 18 Apr. 2018
• In the Sichuan University research, giving senolytics to aged mice restored their teeth’s ability to produce dentin and keep the pulp healthy.
  — Allison Palmer july 6, Charlotte Observer, 6 July 2026
• Once the enamel is dissolved, the underlying portion of the tooth, the dentin, is softer and more easily destroyed by the acid, thus leading to wider and deeper expansion of the cavity.
  — Jeffrey Ebersole, The Conversation, 18 May 2021
• The research shows the drugs can coax stem cells within the dental pulp — the soft material deep within teeth that’s filled with nerves and blood vessels — into regrowing enough bony tissue (dentin) to fill the cavity.
  — David Cox /, NBC News, 15 Jan. 2018
• Relative dentin abrasivity, or RDA, is a guide to measuring abrasiveness in toothpaste.
  — Laura Daily, The Seattle Times, 12 Apr. 2019
• Instead, sloth teeth are made primarily of dentin, a more porous and organic-rich tissue that readily changes its chemical composition with fossilization.
  — Aditya Reddy Kurre, The Conversation, 21 Oct. 2025
• This fluoride-free toothpaste contains nano-hydroxyapatite, a mineral form of the same ingredient that makes up 97% of tooth enamel and 70% of dentin.
  — Bestreviews, Mercury News, 26 Mar. 2026
• This cycle of violence was revealed by a second signal in Fred’s tusks, encoded in oxygen isotopes, which tracked the steady sawtooth tick of the seasons passing by and provided a kind of calendar kept in dentin.
  — Peter Brannen, The Atlantic, 22 June 2022
• When Sichuan University researchers gave senolytics, drugs designed to clear out cells that have stopped functioning but linger in the body anyway, to aged mice, the animals regained the ability to form new dentin and maintain healthy pulp tissue.
  — Allison Palmer july 6, Charlotte Observer, 6 July 2026