何为"腺样体面容"?
腺样体肥大的患儿长期张口呼吸,影响面骨发育,上颌骨变长,腭骨高拱,牙列不齐,上切牙突出,唇厚,缺乏表情,称腺样体面容。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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