Main Entry: orth·odon·tics

Pronunciation: \-ˈdänt-iks\

Function: noun plural but singular in construction

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

—orth·odon·tic \-ik\ adjective

—orth·odon·ti·cal·ly \-i-k(ə-)lē\ adverb