名词
中文翻译：龈沟
同义词：
['gingival crevice', "gingival sulcus例句：1. The dentist cleaned the patient's teeth to remove any gingival sulcus bacteria.（牙医清理了患者的牙齿，以清除任何龈沟细菌。）2. The patient was advised to floss daily to maintain healthy gingival sulci.（患者被建议每天刷牙来保持健康的牙龈沟。）3. The study found that poor oral hygiene can lead to the formation of gingival sulci.（研究发现，不良的口腔卫生习惯会导致牙龈沟的形成。）"]
例句：
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1. The dentist cleaned the patient's teeth to remove any gingival sulcus bacteria.
牙医清理了患者的牙齿，以清除任何龈沟细菌。
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2. The patient was advised to floss daily to maintain healthy gingival sulci.
患者被建议每天刷牙来保持健康的牙龈沟。
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3. The study found that poor oral hygiene can lead to the formation of gingival sulci.
研究发现，不良的口腔卫生习惯会导致牙龈沟的形成。