orthodontia ĥ正牙学
orthodontia force正畸力
nursing care of orthodontia畸牙矫正护理
同义词:orthodonticsorthodonturedental orthopedicsdental orthopaedics
N(名词) the branch of dentistry concerned with preventing or correcting irregularities of the teeth 畸齿矫正学 (Also called dental orthopaedics)