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1. She used a retainer cup to protect her tooth while it was being fixed.
她在牙齿修复期间使用了保持器杯来保护牙齿。
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2. The dentist gave me a retainer cup to help my teeth align properly after the procedure.
牙医给了我一个保持器杯，帮助我在手术之后使牙齿正确对齐。
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3. The patient had to wear a retainer cup for six months after the surgery to ensure proper healing of the jawbone.
患者在手术后必须佩戴保持器杯六个月，以确保颌骨的正常愈合。