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orthodontics Syllabification: or·tho·don·tics
Pronunciation: /ˌôrTHəˈdän(t)iks/
(also orthodontia-ˈdänSH(ē)ə)

Definition of orthodontics in English:

plural noun

[treated as singular]
The treatment of irregularities in the teeth (especially of alignment and occlusion) and jaws, including the use of braces.
Example sentences
  • The branch of dentistry that specialises in aligning teeth is called orthodontics.
  • If your child wears braces, a retainer, or other orthodontics, ask the orthodontist about dental care.
  • This may involve orthodontics alone or orthodontics together with intervention from another dental discipline.



Pronunciation: /ˌôrTHəˈdän(t)ik/
Example sentences
  • Children with clefts usually have extensive surgery in their mouths and often undergo dental and orthodontic treatment.
  • Your child will be asked to put on a hospital gown and to remove any loose orthodontic braces, false teeth and jewellery.
  • Children usually get orthodontic treatment in the adolescent years.


Pronunciation: /-tik(ə)lē/
Example sentences
  • These problems can be fixed by grafting bone matter onto the alveolus, which allows the placement of your child's teeth to be corrected orthodontically.
  • His face looked drawn, but he smiled broadly, displaying a glistening row of white, orthodontically perfect Southern California teeth.


Pronunciation: /ˈˌôrTHəˈˌdän(t)əst/
Example sentences
  • If your child wears braces, a retainer, or other orthodontics, ask the orthodontist about dental care.
  • After that, your child's orthodontist will wait until the remainder of your child's permanent teeth come in before beginning the second phase.
  • Your orthodontist will explain which is most suitable for your particular malocclusion.


Early 20th century: from ortho- 'straight' + Greek odous, odont- 'tooth'.

Definition of orthodontics in:

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