Method Root canals of chronic pulpitis and (or) apicitis were filled using the FR paste.

方法用FR根充糊剂对慢性牙髓炎和（或）慢性根尖炎的患牙进行一次性根管治疗。

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Method Root canals of chronic pulpitis and (or) apicitis were filled using the FR paste.

方法用FR根充糊剂对慢性牙髓炎和（或）慢性根尖炎的患牙进行一次性根管治疗。

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