齿颚矫正学 chǐ'èjiǎozhèngxué orthodontics Definitions Defs Origin Strokes Stroke Words Sentences Sents 齿颚矫正学 齒顎矯正學 chǐ'èjiǎozhèngxué orthodontics the branch of dentistry dealing with the correction of irregular teeth and jaws
齿颚矫正学 齒顎矯正學 chǐ'èjiǎozhèngxué orthodontics the branch of dentistry dealing with the correction of irregular teeth and jaws