名词中文翻译
中文翻译：牙龈边缘
同义词：
['gum line', 'gum margin', 'gum line margin']
例句：
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1.The dentist removed the gum margin and cleaned the teeth.
牙医移除了牙龈边缘，清理了牙齿。
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2. The patient's gum margin was bleeding after the procedure.
患者在手术后的牙龈边缘出血。
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3. The dentist advised the patient to maintain good oral hygiene to prevent gum margin irritation.
牙医建议患者保持良好的口腔卫生，以防止牙龈边缘发炎。