or·​tho·​don·​tia ˌȯr-thə-ˈdän(t)-sh(ē-)ə How to pronounce orthodontia (audio)
: dental appliances (such as braces) used in orthodontic treatment

Examples of orthodontia in a Sentence

We took out a loan to pay for our son's orthodontia.
Recent Examples on the Web Mewing is viewed online as a free alternative to plastic surgery or orthodontia, which can cost up to tens of thousands of dollars. Hannah Yasharoff, USA TODAY, 11 Apr. 2023 Cheaper than orthodontia and cosmetic surgery even. Razib Khan, Discover Magazine, 18 May 2010 This leaves less room for teeth, which have changed little in size or abundance over human history—and may help explain why crooked choppers and a need for orthodontia are so common, study author Noreen von Cramon-Taubadel tells the BBC. Douglas Main, Discover Magazine, 23 Nov. 2011 Twigs isn't the only celebrity to experiment with adult orthodontia. Kara Nesvig, Allure, 22 Dec. 2022 For those who do, the service must be completed in the year of the deduction—so a parent can’t pay the full bill for a child’s orthodontia and deduct it for 2022 if the work isn’t finished until 2023. Laura Saunders, WSJ, 25 Nov. 2022 Jamie interviewed pediatric orthodontia and dental experts, Pediatric Dentist Naveen Kwatra and Orthodontist Amy Barrer, both at MVP Smiles in Gaithersburg, MD. Jamie Spain, Good Housekeeping, 22 Aug. 2022 Baupost also invested in a chain of veterinary surgical hospitals and a group of orthodontia and pediatric dental practices. Jacob Wolinsky, Forbes, 28 Jan. 2022 Because the original bridge design, all but lost in time now, was about as classic as your 7th grade orthodontia from the 1980s. Peter Hartlaub, San Francisco Chronicle, 7 June 2021 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'orthodontia.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


New Latin

First Known Use

circa 1849, in the meaning defined at sense 1

Time Traveler
The first known use of orthodontia was circa 1849

Dictionary Entries Near orthodontia

Cite this Entry

“Orthodontia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/orthodontia. Accessed 29 Nov. 2023.

Medical Definition


orth·​odon·​tia ˌȯr-thə-ˈdän-ch(ē-)ə How to pronounce orthodontia (audio)
: dental appliances (as braces) used in orthodontic treatment
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