orthodonture vs dental orthopaedics

orthodonture and dental orthopaedics both are nouns.

Word	Noun	Adjective	Verb	Adverb
orthodonture	Yes	No	No	No
dental orthopaedics	Yes	No	No	No

As nouns, orthodonture and dental orthopaedics are synonyms defined as:

orthodonture and dental orthopaedics: the branch of dentistry dealing with the prevention or correction of irregularities of the teeth

Other synonyms of orthodonture include dental orthopedics, orthodontia, orthodontics.

orthodonture (noun)	dental orthopaedics (noun)
the branch of dentistry dealing with the prevention or correction of irregularities of the teeth	the branch of dentistry dealing with the prevention or correction of irregularities of the teeth