名词
中文翻译：牙齿比例
同义词：
['dental ratio', 'dental proportion', 'dental index']
例句：
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1.The dentist needs to adjust the tooth ratio for the patient's new braces.
牙医需要调整患者的新牙套的牙齿比例。
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2. The study found that the tooth ratio in children is significantly higher than in adults.
研究发现，儿童的牙齿比例明显高于成人。
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3. The dental hygienist measured the tooth ratio and recommended a new oral hygiene routine.
牙科卫生员测量了牙齿比例，并推荐了一个新的口腔卫生程序。