acute-chronic pulpitis 急慢性牙髓炎
chronic ulcerative pulpitis [口腔] 慢性溃疡性牙髓炎
chronic hyperplastic pulpitis [口腔] 慢性增生性牙髓炎
chronic closed pulpitis [口腔] 慢性闭锁性牙髓炎
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。
We found that the check rate of this bacteria in acute pulpitis was notably higher than that of in chronic pulpitis (P<0.05).
结果表明：该菌在急性牙髓炎时的检出率显著高于慢性（P＜0．05）。
Objective To discuss the method and effect of one-time root canal filling in treating chronic pulpitis and chronic periapical periodontitis.
目的探讨一次性根管充填治疗慢性牙髓炎、根尖周炎的方法和效果。
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