ORTHODONTICS Scrabble 18 Words With Friends 19 Definition noun the branch of dentistry dealing with the prevention or correction of irregularities of the teeth. — synonyms: orthodontia, orthodonture, dental_orthopedics, dental_orthopaedics See all 461 words you can make from ORTHODONTICS → 12-letter words Words starting with O Words ending with S ← Unscramble different letters