How to Use cementum in a Sentence

cementum

noun

• Much like rings on a tree, layers of cementum equate to years.
  — Katie Hill, Outdoor Life, 24 Sep. 2026
• The team found that while the outer layer of the tusk, called the cementum, has a structure that spirals left, the inner part, dentine, spirals right.
  — Jackie Flynn Mogensen, Scientific American, 18 Aug. 2026
• However, the inner (dentine) layer of these building blocks twist to the right, while the outer (cementum) layer twists left.
  — New Atlas, 18 Aug. 2026
• What’s more, tooth roots are covered in cementum, a material much softer than enamel and far more vulnerable to decay and wear.
  — Daryl Austin, Forbes.com, 14 Aug. 2025
• The dentine and cementum, in turn, are made up of microscopic collagen fibrils mineralized with nanoparticles of hydroxyapatite.
  — Jennifer Ouellette, ArsTechnica, 18 Aug. 2026