oral and maxillofacial surgery
US /ˈɔːrəl ænd ˌmæksɪloʊˈfeɪʃəl ˈsɜːrdʒəri/
UK /ˈɔːrəl ænd ˌmæksɪloʊˈfeɪʃəl ˈsɜːrdʒəri/

1.
口腔頜面外科
a surgical specialty focusing on reconstructive surgery of the face, oral cavity, head and neck, mouth, and jaws
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He underwent oral and maxillofacial surgery to correct his jaw alignment.
他接受了口腔頜面外科手術以矯正下頜對齊。
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The hospital has a specialized department for oral and maxillofacial surgery.
該醫院設有專門的口腔頜面外科。