名词
中文翻译：根管
同义词：
['root canal', 'pulp chamber']
例句：
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1. The dentist performed a root canal treatment on the patient's tooth.
牙医为患者牙齿进行了根管治疗。
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2. The procedure involves removing the infected tissue from the root canal.
该程序涉及从根管中移除感染的组织。
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3. Root canal therapy is often recommended for patients with severe tooth decay.
对于患有严重蛀牙的患者，通常推荐进行根管治疗。