noun, plural in form but singular in construction
or·​tho·​don·​tics | \ ˌȯr-thə-ˈdän-tiks How to pronounce orthodontics (audio) \

Definition of orthodontics

: a branch of dentistry dealing with irregularities of the teeth (such as malocclusion) and their correction (as by braces) also : the treatment provided by a specialist in orthodontics

Other Words from orthodontics

orthodontic \ ˌȯr-​thə-​ˈdän-​tik How to pronounce orthodontics (audio) \ adjective
orthodontically \ ˌȯr-​thə-​ˈdän-​ti-​k(ə-​)lē How to pronounce orthodontics (audio) \ adverb
orthodontist \ ˌȯr-​thə-​ˈdän-​tist How to pronounce orthodontics (audio) \ noun

Examples of orthodontics in a Sentence

Recent Examples on the Web The company helps dentists provide orthodontics like traditional braces and clear aligners, solving for a shortage of orthodontists. Sean Mcdonnell, cleveland, 20 Apr. 2022 This sleek model can be filled with either water or mouthwash and is gentle enough to use on implants, veneers, and orthodontics. Emily Belfiore, Health.com, 29 Sep. 2021 And each of them deliver orthodontics about 10 patients a year. Laura Johnston, cleveland, 8 Mar. 2022 Dentistry Today reported a similar boom in people seeking orthodontics. Ryan Kost, San Francisco Chronicle, 17 Dec. 2021 But on Wednesday, the Hong Kong listing of a niche company, a mainland China orthodontics firm, became this quarter’s top debut, showing initial signs of a re-warming market and positive investor sentiment towards smaller listings. Yvonne Lau, Fortune, 18 June 2021 The building houses an orthodontics practice as well as a dental and oral surgery office. Joe Taschler, Milwaukee Journal Sentinel, 10 June 2021 Mint Dentistry — a dentistry and orthodontics group that is opening locations in Texas and the Southeast — has leased space for its corporate offices on the 71st floor of downtown Dallas’ Bank of America Plaza. Steve Brown, Dallas News, 7 June 2021 The boy moms’ differences persist long after the baby years with diverging tendencies in everything from orthodontics spending to stock market investments. Abigail Tucker, Washington Post, 6 May 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'orthodontics.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of orthodontics

1909, in the meaning defined above

Buying Guide

Our Reviews team has selected the best electric toothbrushes.

Learn More About orthodontics

Time Traveler for orthodontics

Time Traveler

The first known use of orthodontics was in 1909

See more words from the same year

Dictionary Entries Near orthodontics




See More Nearby Entries 

Statistics for orthodontics

Last Updated

24 Apr 2022

Cite this Entry

“Orthodontics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/orthodontics. Accessed 28 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for orthodontics


noun, plural in form but singular in construction
orth·​odon·​tics | \ -ˈdänt-iks How to pronounce orthodontics (audio) \

Medical Definition of orthodontics

1 : a branch of dentistry dealing with irregularities of the teeth and their correction (as by means of braces)
2 : the treatment provided by an orthodontist

Other Words from orthodontics

orthodontic \ -​ik How to pronounce orthodontics (audio) \ adjective
orthodontically \ -​i-​k(ə-​)lē How to pronounce orthodontics (audio) \ adverb

More from Merriam-Webster on orthodontics

Nglish: Translation of orthodontics for Spanish Speakers

Britannica.com: Encyclopedia article about orthodontics


Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!