| 单词 | orthodontics |
| 释义 | orthodontics —orthodontic, orthodontal, adj. —orthodontist, n. /awr'theuh don"tiks/, n. (used with a sing. v.) the branch of dentistry dealing with the prevention and correction of irregular teeth, as by means of braces. [1905-10; ORTH- + -ODONT + -ICS] |
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