1
: situated or intended for use between the teeth
2
: formed with the tip of the tongue between the upper and lower front teeth

Examples of interdental in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Floss daily or use an interdental (between-the-teeth) cleaner to remove plaque and persistent food particles from between your teeth and around your dental work. Anna Giorgi, Verywell Health, 10 Jan. 2025 Clean between your teeth with floss or an interdental brush (picks with bristles sold for that purpose) each day. Nancy Lebrun, Verywell Health, 10 Jan. 2025

Word History

First Known Use

circa 1874, in the meaning defined at sense 1

Time Traveler
The first known use of interdental was circa 1874

Cite this Entry

“Interdental.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interdental. Accessed 21 Mar. 2025.

Medical Definition

interdental

adjective
: situated or intended for use between the teeth
floss the interdental spaces
Last Updated: - Updated example sentences
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