歯し質しつ

noun

quality of teeth; tooth quality

Refers to the inherent quality or condition of teeth, often used in dental or health contexts.

• 歯し質しつが弱よわいと虫むし歯ばになりやすい。

  If your tooth quality is weak, you are prone to cavities.

• フッ素そは歯し質しつを強きょう化かする効こう果かがある。

  Fluoride has the effect of strengthening tooth quality.